diff --git a/src/Microsoft.Graph/Generated/Admin/Edge/EdgeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Edge/EdgeRequestBuilder.cs
index b44977c3a2d..c0f13b6879f 100644
--- a/src/Microsoft.Graph/Generated/Admin/Edge/EdgeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Edge/EdgeRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/InternetExplorerModeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/InternetExplorerModeRequestBuilder.cs
index e7505d9ed2c..e527748c734 100644
--- a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/InternetExplorerModeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/InternetExplorerModeRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/BrowserSiteListItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/BrowserSiteListItemRequestBuilder.cs
index 0d74cf0126b..2dacdb2570f 100644
--- a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/BrowserSiteListItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/BrowserSiteListItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/SharedCookies/Item/BrowserSharedCookieItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/SharedCookies/Item/BrowserSharedCookieItemRequestBuilder.cs
index 93e2e4235cc..1b19e56289b 100644
--- a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/SharedCookies/Item/BrowserSharedCookieItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/SharedCookies/Item/BrowserSharedCookieItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/Sites/Item/BrowserSiteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/Sites/Item/BrowserSiteItemRequestBuilder.cs
index 27c812d6a66..eac1ea91f41 100644
--- a/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/Sites/Item/BrowserSiteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Edge/InternetExplorerMode/SiteLists/Item/Sites/Item/BrowserSiteItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/InstallationOptions/InstallationOptionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/InstallationOptions/InstallationOptionsRequestBuilder.cs
index 5cbd9c390b8..43e6baa7d4d 100644
--- a/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/InstallationOptions/InstallationOptionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/InstallationOptions/InstallationOptionsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/Microsoft365AppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/Microsoft365AppsRequestBuilder.cs
index 378fe05146d..4240edc6f3f 100644
--- a/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/Microsoft365AppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Microsoft365Apps/Microsoft365AppsRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/People/ItemInsights/ItemInsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/People/ItemInsights/ItemInsightsRequestBuilder.cs
index 5e56ef34ebf..ffdaa8a3fdf 100644
--- a/src/Microsoft.Graph/Generated/Admin/People/ItemInsights/ItemInsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/People/ItemInsights/ItemInsightsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/People/ProfileCardProperties/Item/ProfileCardPropertyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/People/ProfileCardProperties/Item/ProfileCardPropertyItemRequestBuilder.cs
index df49a80cc6d..3b38f563722 100644
--- a/src/Microsoft.Graph/Generated/Admin/People/ProfileCardProperties/Item/ProfileCardPropertyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/People/ProfileCardProperties/Item/ProfileCardPropertyItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ReportSettings/ReportSettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ReportSettings/ReportSettingsRequestBuilder.cs
index 277d2c94658..4dbaff432e9 100644
--- a/src/Microsoft.Graph/Generated/Admin/ReportSettings/ReportSettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ReportSettings/ReportSettingsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
index b7875710983..ace0cf1703e 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
@@ -72,7 +72,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
index 596de71cd73..2d2843d869c 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/ServiceHealthItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/ServiceHealthItemRequestBuilder.cs
index 983983b104e..160fa572ca1 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/ServiceHealthItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/HealthOverviews/Item/ServiceHealthItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
index 942035e8cd6..cee0be0f539 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/IncidentReport/IncidentReportRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
index f651afd704b..0d18eb1f5f2 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Issues/Item/ServiceHealthIssueItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/Content/ContentRequestBuilder.cs
index af6b15737dc..6db4bbb0426 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/Content/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/ServiceAnnouncementAttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/ServiceAnnouncementAttachmentItemRequestBuilder.cs
index 1e278bdacc7..9e63ac0f487 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/ServiceAnnouncementAttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/Attachments/Item/ServiceAnnouncementAttachmentItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/AttachmentsArchive/AttachmentsArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/AttachmentsArchive/AttachmentsArchiveRequestBuilder.cs
index c2ac88aaaa2..3f499ad5e1e 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/AttachmentsArchive/AttachmentsArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/AttachmentsArchive/AttachmentsArchiveRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/ServiceUpdateMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/ServiceUpdateMessageItemRequestBuilder.cs
index 2c758fc0e32..a27539717cf 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/ServiceUpdateMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/Messages/Item/ServiceUpdateMessageItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/ServiceAnnouncementRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/ServiceAnnouncementRequestBuilder.cs
index 695f5aeb114..6491d6c82e8 100644
--- a/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/ServiceAnnouncementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/ServiceAnnouncement/ServiceAnnouncementRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Sharepoint/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Sharepoint/Settings/SettingsRequestBuilder.cs
index a77bb22564a..c2608ab79e7 100644
--- a/src/Microsoft.Graph/Generated/Admin/Sharepoint/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Sharepoint/Settings/SettingsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Admin/Sharepoint/SharepointRequestBuilder.cs b/src/Microsoft.Graph/Generated/Admin/Sharepoint/SharepointRequestBuilder.cs
index 93e4161f65f..681a94ce7e0 100644
--- a/src/Microsoft.Graph/Generated/Admin/Sharepoint/SharepointRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Admin/Sharepoint/SharepointRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
index 7ef0cd72d79..2d3d95a2d25 100644
--- a/src/Microsoft.Graph/Generated/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
index 7534e563ba5..674c990f991 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/AgreementItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/AgreementItemRequestBuilder.cs
index 5b29855fada..fbb6bb49f7f 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/AgreementItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/AgreementItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/FileRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/FileRequestBuilder.cs
index 65c2e30e594..a3689605207 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/FileRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/FileRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
index 63dc1407924..9885250bc09 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
index 7cfba17d536..d7d6f1bfc58 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
index e3b52b87d2a..73a2679cb67 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
index fc5c4c6f0cb..4a141e908b7 100644
--- a/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/Bot/BotRequestBuilder.cs b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/Bot/BotRequestBuilder.cs
index 5e9882670cd..dbdd2bd6bd0 100644
--- a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/Bot/BotRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/Bot/BotRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/TeamsAppDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/TeamsAppDefinitionItemRequestBuilder.cs
index f890c27ad01..09c2182703b 100644
--- a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/TeamsAppDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/AppDefinitions/Item/TeamsAppDefinitionItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/TeamsAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/TeamsAppItemRequestBuilder.cs
index bc77006ca2d..cbf377ff864 100644
--- a/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/TeamsAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AppCatalogs/TeamsApps/Item/TeamsAppItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Item/Ref/RefRequestBuilder.cs
index 0361f47e7e3..8406e68f316 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Ref/RefRequestBuilder.cs
index 9f445b62f0b..ea6dd113be4 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/AppManagementPolicies/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/applications/{application%2Did}/appManagementPolicies/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/applications/{application%2Did}/appManagementPolicies/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/ApplicationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/ApplicationItemRequestBuilder.cs
index 8ba543f154e..6d735d2f922 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/ApplicationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/ApplicationItemRequestBuilder.cs
@@ -260,6 +260,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/ExtensionProperties/Item/ExtensionPropertyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/ExtensionProperties/Item/ExtensionPropertyItemRequestBuilder.cs
index 240144dd4bc..edc8d3f7286 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/ExtensionProperties/Item/ExtensionPropertyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/ExtensionProperties/Item/ExtensionPropertyItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
index 20b23bb134f..093de8d948a 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
index 1893fdc2df7..78d0655ba1d 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Logo/LogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Logo/LogoRequestBuilder.cs
index 40cc00b9488..67b306ae839 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Logo/LogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Logo/LogoRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Owners/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Owners/Item/Ref/RefRequestBuilder.cs
index b546545996e..498d1de19c4 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Owners/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Owners/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Owners/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Owners/Ref/RefRequestBuilder.cs
index 8864d65d17d..36513fbcb87 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Owners/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Owners/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/applications/{application%2Did}/owners/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/applications/{application%2Did}/owners/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/RemoveKey/RemoveKeyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/RemoveKey/RemoveKeyRequestBuilder.cs
index 6a0de08e895..ac9b083c979 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/RemoveKey/RemoveKeyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/RemoveKey/RemoveKeyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/RemovePassword/RemovePasswordRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/RemovePassword/RemovePasswordRequestBuilder.cs
index d051648156e..6c17c160f86 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/RemovePassword/RemovePasswordRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/RemovePassword/RemovePasswordRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/SetVerifiedPublisher/SetVerifiedPublisherRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/SetVerifiedPublisher/SetVerifiedPublisherRequestBuilder.cs
index d212df36847..0a4d35ed09f 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/SetVerifiedPublisher/SetVerifiedPublisherRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/SetVerifiedPublisher/SetVerifiedPublisherRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
index 3509aad0258..091ee154859 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
index 2fc4991f4c2..9c1ebdb4966 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
index 6039674b0f4..75ef5cca84e 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
index 95f709a68c1..93db2c052d0 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
index 48888eba074..4db49ef1d5c 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
index d63573b18c4..3b0bf98759b 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
index a321bc17b48..90eda713f98 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
index 2fc6956f9fe..50a607d548a 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
index ab273d2d844..a5b38ad4ab8 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
index 95b9b715972..5e230ef9efc 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
index b4adac8d952..d7f50284465 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/SynchronizationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/SynchronizationRequestBuilder.cs
index cfeac86fbf7..301e8b68802 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/SynchronizationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/SynchronizationRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
index bf34138ddb7..aad3049c218 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
index e909aa3c0c2..7ca01615cf6 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
index 2629e1462e1..c1e95e55909 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Item/Ref/RefRequestBuilder.cs
index 6cefccb0a09..0c10e672acb 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Ref/RefRequestBuilder.cs
index 18bc548431e..3cb53bbe0f3 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/TokenIssuancePolicies/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/applications/{application%2Did}/tokenIssuancePolicies/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/applications/{application%2Did}/tokenIssuancePolicies/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Item/Ref/RefRequestBuilder.cs
index f9a43675855..f44b8858d9c 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Ref/RefRequestBuilder.cs
index 3f3b32b195b..b22d6012cf4 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/TokenLifetimePolicies/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/applications/{application%2Did}/tokenLifetimePolicies/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/applications/{application%2Did}/tokenLifetimePolicies/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Applications/Item/UnsetVerifiedPublisher/UnsetVerifiedPublisherRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/Item/UnsetVerifiedPublisher/UnsetVerifiedPublisherRequestBuilder.cs
index 8d0a2fd8991..452695c218a 100644
--- a/src/Microsoft.Graph/Generated/Applications/Item/UnsetVerifiedPublisher/UnsetVerifiedPublisherRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/Item/UnsetVerifiedPublisher/UnsetVerifiedPublisherRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Applications/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Applications/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 5b9204e3f6f..238b8f04b49 100644
--- a/src/Microsoft.Graph/Generated/Applications/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Applications/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Appli
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ApplicationsWithAppId/ApplicationsWithAppIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/ApplicationsWithAppId/ApplicationsWithAppIdRequestBuilder.cs
index bb35446f1ba..77ad5ccbb32 100644
--- a/src/Microsoft.Graph/Generated/ApplicationsWithAppId/ApplicationsWithAppIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ApplicationsWithAppId/ApplicationsWithAppIdRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ApplicationsWithUniqueName/ApplicationsWithUniqueNameRequestBuilder.cs b/src/Microsoft.Graph/Generated/ApplicationsWithUniqueName/ApplicationsWithUniqueNameRequestBuilder.cs
index d7ab120ebc3..35ff560ebb1 100644
--- a/src/Microsoft.Graph/Generated/ApplicationsWithUniqueName/ApplicationsWithUniqueNameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ApplicationsWithUniqueName/ApplicationsWithUniqueNameRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AuditLogs/DirectoryAudits/Item/DirectoryAuditItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AuditLogs/DirectoryAudits/Item/DirectoryAuditItemRequestBuilder.cs
index ad25489cbff..372647d8689 100644
--- a/src/Microsoft.Graph/Generated/AuditLogs/DirectoryAudits/Item/DirectoryAuditItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AuditLogs/DirectoryAudits/Item/DirectoryAuditItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AuditLogs/Provisioning/Item/ProvisioningObjectSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AuditLogs/Provisioning/Item/ProvisioningObjectSummaryItemRequestBuilder.cs
index f1a22f9f812..e9535666054 100644
--- a/src/Microsoft.Graph/Generated/AuditLogs/Provisioning/Item/ProvisioningObjectSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AuditLogs/Provisioning/Item/ProvisioningObjectSummaryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AuditLogs/SignIns/Item/SignInItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AuditLogs/SignIns/Item/SignInItemRequestBuilder.cs
index 96840f5ccb6..1ef7a89b9e3 100644
--- a/src/Microsoft.Graph/Generated/AuditLogs/SignIns/Item/SignInItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AuditLogs/SignIns/Item/SignInItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
index e4aad3038cc..8f645a9ab78 100644
--- a/src/Microsoft.Graph/Generated/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
index fa10ace1af9..f3497e5fdcf 100644
--- a/src/Microsoft.Graph/Generated/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
index 38841f55241..03026159d79 100644
--- a/src/Microsoft.Graph/Generated/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
index 5f3fda97b8e..af67d424b3c 100644
--- a/src/Microsoft.Graph/Generated/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
@@ -34,7 +34,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
         {
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesGetResponse"/></returns>
@@ -58,7 +58,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesGetResponse>(requestInfo, global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesGetResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesResponse"/></returns>
@@ -83,7 +83,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesResponse>(requestInfo, global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -111,7 +111,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return new global::Microsoft.Graph.Chats.GetAllMessages.GetAllMessagesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class GetAllMessagesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/ChatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/ChatItemRequestBuilder.cs
index 93bdae4ffc2..0de0ebcdc8f 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/ChatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/ChatItemRequestBuilder.cs
@@ -195,6 +195,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/HideForUser/HideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
index f00859855cd..beae423f327 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index b6301d7eb7e..a4149a3d9c0 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index 1cef7491778..83b210c3acd 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
index b5d2ddfb8a8..34fc80ba635 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
index 0d617046802..19087e9a307 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
index 3e359b5db66..bf673e1b710 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index edfb240192c..17b1930b884 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 8358bef75f2..7a10ccb648f 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -157,6 +157,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 61731832eba..9048cb14d31 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index a42ff27873e..e8a8a117ee9 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index c14a60b385a..fb19c66985d 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index ba3b142b7e1..fa7f53dac46 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index a1d964f6291..6dfd536f9f5 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index e993339793a..9221ce138b2 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index f5c6fe1eb0b..6d93361c716 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 34d1c36d957..2771ed08519 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index e46843a85ba..640a6b94eb7 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index cf7fe6a7929..36469294762 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index c335a7d9df8..59163a5c73e 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index c8eb2a7268c..c01489bcffd 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 65e76cdfc62..2612c303de3 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Messages/MessagesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Messages/MessagesRequestBuilder.cs
index c3696c46462..3019f21f44b 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Messages/MessagesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Messages/MessagesRequestBuilder.cs
@@ -84,8 +84,8 @@ public MessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : b
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ChatMessageCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.ChatMessageCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Send a new chatMessage in the specified chat. This API can&apos;t create a new chat; you must use the list chats method to retrieve the ID of an existing chat before you can create a chat message.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/chat-post-messages?view=graph-rest-1.0" />
+        /// Send a new chatMessage in the specified channel or a chat.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/chatmessage-post?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ChatMessage"/></returns>
         /// <param name="body">The request body</param>
@@ -129,7 +129,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Send a new chatMessage in the specified chat. This API can&apos;t create a new chat; you must use the list chats method to retrieve the ID of an existing chat before you can create a chat message.
+        /// Send a new chatMessage in the specified channel or a chat.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 5ce44202c7e..b68a46d565b 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
index 2d681917c0e..02a3dd41631 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 3a240292fef..234419df07e 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index bd0379c2f9f..c4422809984 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
index f28194820dd..43b68b1a0dd 100644
--- a/src/Microsoft.Graph/Generated/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Chats
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/CallRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/CallRecordItemRequestBuilder.cs
index 8986bf0ef71..aece6e17bdf 100644
--- a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/CallRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/CallRecordItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Organizer_v2/Organizer_v2RequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Organizer_v2/Organizer_v2RequestBuilder.cs
index 0b5f166f52b..231db355414 100644
--- a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Organizer_v2/Organizer_v2RequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Organizer_v2/Organizer_v2RequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Participants_v2/Item/ParticipantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Participants_v2/Item/ParticipantItemRequestBuilder.cs
index 477a4f54acd..904f221e759 100644
--- a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Participants_v2/Item/ParticipantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Participants_v2/Item/ParticipantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/Segments/Item/SegmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/Segments/Item/SegmentItemRequestBuilder.cs
index 25ff131f6b6..8adb4ac4e72 100644
--- a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/Segments/Item/SegmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/Segments/Item/SegmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/SessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/SessionItemRequestBuilder.cs
index 98d3fa4c8a4..3c454d6e98c 100644
--- a/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/SessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/CallRecords/Item/Sessions/Item/SessionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Answer/AnswerRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Answer/AnswerRequestBuilder.cs
index 899862bb9f1..27566bcf5c4 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Answer/AnswerRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Answer/AnswerRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/AudioRoutingGroups/Item/AudioRoutingGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/AudioRoutingGroups/Item/AudioRoutingGroupItemRequestBuilder.cs
index 8a626842891..1fdc9e32e6d 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/AudioRoutingGroups/Item/AudioRoutingGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/AudioRoutingGroups/Item/AudioRoutingGroupItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/CallItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/CallItemRequestBuilder.cs
index 4fe6752ffcb..d90fad86e8c 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/CallItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/CallItemRequestBuilder.cs
@@ -236,6 +236,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/ChangeScreenSharingRole/ChangeScreenSharingRoleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/ChangeScreenSharingRole/ChangeScreenSharingRoleRequestBuilder.cs
index 9dcc9c7545f..1c9d205a75a 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/ChangeScreenSharingRole/ChangeScreenSharingRoleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/ChangeScreenSharingRole/ChangeScreenSharingRoleRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/ContentSharingSessions/Item/ContentSharingSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/ContentSharingSessions/Item/ContentSharingSessionItemRequestBuilder.cs
index 2e194872aac..efab2baa455 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/ContentSharingSessions/Item/ContentSharingSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/ContentSharingSessions/Item/ContentSharingSessionItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/KeepAlive/KeepAliveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/KeepAlive/KeepAliveRequestBuilder.cs
index 9415c6f4886..a21ce410c7e 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/KeepAlive/KeepAliveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/KeepAlive/KeepAliveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Operations/Item/CommsOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Operations/Item/CommsOperationItemRequestBuilder.cs
index 771d4c372c7..af78a90088a 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Operations/Item/CommsOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Operations/Item/CommsOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Invite/InviteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Invite/InviteRequestBuilder.cs
index f097afb10cf..0ca899a8e4c 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Invite/InviteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Invite/InviteRequestBuilder.cs
@@ -35,8 +35,8 @@ public InviteRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : bas
         {
         }
         /// <summary>
-        /// Delete a specific participant in a call. In some situations, it is appropriate for an application to remove a participant from an active call. This action can be done before or after the participant answers the call. When an active caller is removed, they are immediately dropped from the call with no pre- or post-removal notification. When an invited participant is removed, any outstanding add participant request is canceled. 
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/participant-delete?view=graph-rest-1.0" />
+        /// Invite participants to the active call. For more information about how to handle operations, see commsOperation.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/participant-invite?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.InviteParticipantsOperation"/></returns>
         /// <param name="body">The request body</param>
@@ -61,7 +61,7 @@ public InviteRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : bas
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.InviteParticipantsOperation>(requestInfo, global::Microsoft.Graph.Models.InviteParticipantsOperation.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Delete a specific participant in a call. In some situations, it is appropriate for an application to remove a participant from an active call. This action can be done before or after the participant answers the call. When an active caller is removed, they are immediately dropped from the call with no pre- or post-removal notification. When an invited participant is removed, any outstanding add participant request is canceled. 
+        /// Invite participants to the active call. For more information about how to handle operations, see commsOperation.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Item/ParticipantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Item/ParticipantItemRequestBuilder.cs
index b4cda8785e7..ce4b2669a4c 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Item/ParticipantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Participants/Item/ParticipantItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Redirect/RedirectRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Redirect/RedirectRequestBuilder.cs
index 778750f2669..58a90307456 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Redirect/RedirectRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Redirect/RedirectRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Reject/RejectRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Reject/RejectRequestBuilder.cs
index 66c41e61baf..1c76f25b9cd 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Reject/RejectRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Reject/RejectRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Transfer/TransferRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Transfer/TransferRequestBuilder.cs
index e433629ec95..c691c7a094a 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/Item/Transfer/TransferRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/Item/Transfer/TransferRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Calls/LogTeleconferenceDeviceQuality/LogTeleconferenceDeviceQualityRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Calls/LogTeleconferenceDeviceQuality/LogTeleconferenceDeviceQualityRequestBuilder.cs
index be1747f69fc..0fd879a2a0a 100644
--- a/src/Microsoft.Graph/Generated/Communications/Calls/LogTeleconferenceDeviceQuality/LogTeleconferenceDeviceQualityRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Calls/LogTeleconferenceDeviceQuality/LogTeleconferenceDeviceQualityRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index c14672e711c..b00b9bdac47 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index 3c023b53330..3902d9f668e 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
index 78ff139b631..d71eebec0ce 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
index cf323b0dbb6..01c9f4833c3 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
index e28443652de..1385097b74d 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
index 5f885c4f948..7648533780e 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
index 4a1c500101e..9a3cd224b85 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
index bb647165a78..ac254b0828b 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
index e2d3248343d..d422ff58b30 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
index 5b408d686ab..c8234aed64d 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
index 5c1bea0deb9..b50191a44ec 100644
--- a/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearPresence/ClearPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearPresence/ClearPresenceRequestBuilder.cs
index c07b9ad23dc..10419cd18bd 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearPresence/ClearPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearPresence/ClearPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
index 34fd000a2f0..8ed6deb8d17 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/PresenceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/PresenceItemRequestBuilder.cs
index b4ef67744b0..e47e384827e 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/PresenceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/PresenceItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetPresence/SetPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetPresence/SetPresenceRequestBuilder.cs
index 5cbf00260b5..3293f2d5199 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetPresence/SetPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetPresence/SetPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetStatusMessage/SetStatusMessageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetStatusMessage/SetStatusMessageRequestBuilder.cs
index b08009a361b..8d9c33500f1 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetStatusMessage/SetStatusMessageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetStatusMessage/SetStatusMessageRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
index bed52b167d4..193e881740e 100644
--- a/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Communications/Presences/Item/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Commu
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/ExternalConnectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/ExternalConnectionItemRequestBuilder.cs
index dbdac80a359..1fb7d69fb09 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/ExternalConnectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/ExternalConnectionItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
index ef35a648646..43c6e308aa8 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
index 2ebfdf4ddf7..0852ef934e0 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
index f57f408fd4e..0f66bad9da5 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
index 8b32a4ab893..d4df98fa667 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
index 0278d744789..86fc1130e11 100644
--- a/src/Microsoft.Graph/Generated/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Contacts/Item/OrgContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Contacts/Item/OrgContactItemRequestBuilder.cs
index 3e4623126e3..745217cc7b1 100644
--- a/src/Microsoft.Graph/Generated/Contacts/Item/OrgContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Contacts/Item/OrgContactItemRequestBuilder.cs
@@ -187,6 +187,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Contacts/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs b/src/Microsoft.Graph/Generated/Contacts/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
index 7dae585b54e..0dc8672037b 100644
--- a/src/Microsoft.Graph/Generated/Contacts/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Contacts/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Contacts/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Contacts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 5789767390a..d342bdf7502 100644
--- a/src/Microsoft.Graph/Generated/Contacts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Contacts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Conta
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Contracts/Item/ContractItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Contracts/Item/ContractItemRequestBuilder.cs
index 802b05e4160..a3f65961741 100644
--- a/src/Microsoft.Graph/Generated/Contracts/Item/ContractItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Contracts/Item/ContractItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Contracts/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Contracts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index cd27a15ecbc..67606e085d6 100644
--- a/src/Microsoft.Graph/Generated/Contracts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Contracts/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Contr
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DataPolicyOperations/Item/DataPolicyOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DataPolicyOperations/Item/DataPolicyOperationItemRequestBuilder.cs
index 74fde9d0aa9..fab95bbd85b 100644
--- a/src/Microsoft.Graph/Generated/DataPolicyOperations/Item/DataPolicyOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DataPolicyOperations/Item/DataPolicyOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/AndroidManagedAppProtectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/AndroidManagedAppProtectionItemRequestBuilder.cs
index 7f49ba08e36..717c0d19448 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/AndroidManagedAppProtectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/AndroidManagedAppProtectionItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
index 55c1ba09729..46069573ae7 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
index 64786ea5f7e..9d59fa9e434 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
index a5761e77295..d3fd0678394 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/AndroidManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
index 124d5a8895a..b8806d158c3 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DefaultManagedAppProtectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DefaultManagedAppProtectionItemRequestBuilder.cs
index daf1b0d5b23..12163191a5b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DefaultManagedAppProtectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DefaultManagedAppProtectionItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
index a26f7729205..8bd4a15123b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/DefaultManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/DeviceAppManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/DeviceAppManagementRequestBuilder.cs
index d0efcc341a8..94eda5813bf 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/DeviceAppManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/DeviceAppManagementRequestBuilder.cs
@@ -150,7 +150,7 @@ public DeviceAppManagementRequestBuilder(string rawUrl, IRequestAdapter requestA
         }
         /// <summary>
         /// Update the properties of a deviceAppManagement object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-unlock-deviceappmanagement-update?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-partnerintegration-deviceappmanagement-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceAppManagement"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
index 8e98ced17ec..0f3fbe24aad 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
index 1e1c9114bb5..5ea4dc75160 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
index 4be067ddfde..920b9b0e0f0 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/IosManagedAppProtectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/IosManagedAppProtectionItemRequestBuilder.cs
index d2b6d138b74..0e2e7d216b7 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/IosManagedAppProtectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/IosManagedAppProtections/Item/IosManagedAppProtectionItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
index 3a015384d36..1d709a789d2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
@@ -63,8 +63,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppPolicy object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedapppolicy-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the windowsInformationProtection object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-windowsinformationprotection-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedAppPolicy"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -127,10 +127,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppPolicy object.
+        /// Read properties and relationships of the windowsInformationProtection object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -188,7 +189,7 @@ public partial class ManagedAppPolicyItemRequestBuilderDeleteRequestConfiguratio
         {
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppPolicy object.
+        /// Read properties and relationships of the windowsInformationProtection object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedAppPolicyItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
index 6104e564a02..69f12423afd 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
@@ -35,7 +35,7 @@ public TargetAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
         }
         /// <summary>
         /// Not yet documented
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappprotection-targetapps?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedapppolicy-targetapps?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="body">The request body</param>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/ManagedAppPoliciesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/ManagedAppPoliciesRequestBuilder.cs
index 69696c786c1..f8c1e3db894 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/ManagedAppPoliciesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppPolicies/ManagedAppPoliciesRequestBuilder.cs
@@ -54,8 +54,8 @@ public ManagedAppPoliciesRequestBuilder(string rawUrl, IRequestAdapter requestAd
         {
         }
         /// <summary>
-        /// List properties and relationships of the targetedManagedAppProtection objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-targetedmanagedappprotection-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the windowsInformationProtection objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-windowsinformationprotection-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedAppPolicyCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -103,7 +103,7 @@ public ManagedAppPoliciesRequestBuilder(string rawUrl, IRequestAdapter requestAd
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ManagedAppPolicy>(requestInfo, global::Microsoft.Graph.Models.ManagedAppPolicy.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the targetedManagedAppProtection objects.
+        /// List properties and relationships of the windowsInformationProtection objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -153,7 +153,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceAppManagement.ManagedAppPolicies.ManagedAppPoliciesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the targetedManagedAppProtection objects.
+        /// List properties and relationships of the windowsInformationProtection objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedAppPoliciesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
index f19f4249bf1..7538f78616b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
index 5f318146173..81eab1d45e6 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/AppliedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
@@ -35,7 +35,7 @@ public TargetAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
         }
         /// <summary>
         /// Not yet documented
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappprotection-targetapps?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedapppolicy-targetapps?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="body">The request body</param>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
index 2a8fa64df9c..bf6cd05e6e9 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/ManagedAppPolicyItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
index 83f22b813e4..6ac4acfd073 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/IntendedPolicies/Item/TargetApps/TargetAppsRequestBuilder.cs
@@ -35,7 +35,7 @@ public TargetAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
         }
         /// <summary>
         /// Not yet documented
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappprotection-targetapps?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedapppolicy-targetapps?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="body">The request body</param>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/ManagedAppRegistrationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/ManagedAppRegistrationItemRequestBuilder.cs
index b84eff21bf8..3ca3fc016b7 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/ManagedAppRegistrationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/ManagedAppRegistrationItemRequestBuilder.cs
@@ -75,8 +75,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the androidManagedAppRegistration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-androidmanagedappregistration-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the iosManagedAppRegistration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-iosmanagedappregistration-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedAppRegistration"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -139,10 +139,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the androidManagedAppRegistration object.
+        /// Read properties and relationships of the iosManagedAppRegistration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -200,7 +201,7 @@ public partial class ManagedAppRegistrationItemRequestBuilderDeleteRequestConfig
         {
         }
         /// <summary>
-        /// Read properties and relationships of the androidManagedAppRegistration object.
+        /// Read properties and relationships of the iosManagedAppRegistration object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedAppRegistrationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/Operations/Item/ManagedAppOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/Operations/Item/ManagedAppOperationItemRequestBuilder.cs
index 7f2f78f4aeb..f5589ebbacf 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/Operations/Item/ManagedAppOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/Item/Operations/Item/ManagedAppOperationItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/ManagedAppRegistrationsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/ManagedAppRegistrationsRequestBuilder.cs
index 47ba73e2516..a22129d7dd6 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/ManagedAppRegistrationsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppRegistrations/ManagedAppRegistrationsRequestBuilder.cs
@@ -60,8 +60,8 @@ public ManagedAppRegistrationsRequestBuilder(string rawUrl, IRequestAdapter requ
         {
         }
         /// <summary>
-        /// List properties and relationships of the managedAppRegistration objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappregistration-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the androidManagedAppRegistration objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-androidmanagedappregistration-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedAppRegistrationCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -110,7 +110,7 @@ public ManagedAppRegistrationsRequestBuilder(string rawUrl, IRequestAdapter requ
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ManagedAppRegistration>(requestInfo, global::Microsoft.Graph.Models.ManagedAppRegistration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the managedAppRegistration objects.
+        /// List properties and relationships of the androidManagedAppRegistration objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -160,7 +160,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceAppManagement.ManagedAppRegistrations.ManagedAppRegistrationsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the managedAppRegistration objects.
+        /// List properties and relationships of the androidManagedAppRegistration objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedAppRegistrationsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppStatuses/Item/ManagedAppStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppStatuses/Item/ManagedAppStatusItemRequestBuilder.cs
index 69f841d7569..1157db7ad13 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppStatuses/Item/ManagedAppStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedAppStatuses/Item/ManagedAppStatusItemRequestBuilder.cs
@@ -57,8 +57,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppStatusRaw object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappstatusraw-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the managedAppStatus object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-managedappstatus-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedAppStatus"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -121,10 +121,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppStatusRaw object.
+        /// Read properties and relationships of the managedAppStatus object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -182,7 +183,7 @@ public partial class ManagedAppStatusItemRequestBuilderDeleteRequestConfiguratio
         {
         }
         /// <summary>
-        /// Read properties and relationships of the managedAppStatusRaw object.
+        /// Read properties and relationships of the managedAppStatus object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedAppStatusItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assign/AssignRequestBuilder.cs
index 6d0c51d3a7e..dc444d4429a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assignments/Item/ManagedEBookAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assignments/Item/ManagedEBookAssignmentItemRequestBuilder.cs
index fcfe4b1fa95..5528a522158 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assignments/Item/ManagedEBookAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/Assignments/Item/ManagedEBookAssignmentItemRequestBuilder.cs
@@ -35,8 +35,8 @@ public ManagedEBookAssignmentItemRequestBuilder(string rawUrl, IRequestAdapter r
         {
         }
         /// <summary>
-        /// Deletes a iosVppEBookAssignment.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-books-iosvppebookassignment-delete?view=graph-rest-1.0" />
+        /// Deletes a managedEBookAssignment.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-books-managedebookassignment-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -108,7 +108,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ManagedEBookAssignment>(requestInfo, global::Microsoft.Graph.Models.ManagedEBookAssignment.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a iosVppEBookAssignment.
+        /// Deletes a managedEBookAssignment.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
index c78e17a38e9..fafd42f917d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/InstallSummary/InstallSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/InstallSummary/InstallSummaryRequestBuilder.cs
index 35742bde00e..df22f71cf72 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/InstallSummary/InstallSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/InstallSummary/InstallSummaryRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/ManagedEBookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/ManagedEBookItemRequestBuilder.cs
index 282d85eba8b..2613cba923e 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/ManagedEBookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/ManagedEBookItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
index 758b10159af..2606300af45 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/DeviceStates/Item/DeviceInstallStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/UserInstallStateSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/UserInstallStateSummaryItemRequestBuilder.cs
index 4026db27726..37f83ead00b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/UserInstallStateSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/Item/UserStateSummary/Item/UserInstallStateSummaryItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/ManagedEBooksRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/ManagedEBooksRequestBuilder.cs
index bbc1c18d815..e93b6ff31d0 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/ManagedEBooksRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/ManagedEBooks/ManagedEBooksRequestBuilder.cs
@@ -54,8 +54,8 @@ public ManagedEBooksRequestBuilder(string rawUrl, IRequestAdapter requestAdapter
         {
         }
         /// <summary>
-        /// List properties and relationships of the managedEBook objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-books-managedebook-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the iosVppEBook objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-books-iosvppebook-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedEBookCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -104,7 +104,7 @@ public ManagedEBooksRequestBuilder(string rawUrl, IRequestAdapter requestAdapter
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ManagedEBook>(requestInfo, global::Microsoft.Graph.Models.ManagedEBook.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the managedEBook objects.
+        /// List properties and relationships of the iosVppEBook objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -154,7 +154,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceAppManagement.ManagedEBooks.ManagedEBooksRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the managedEBook objects.
+        /// List properties and relationships of the iosVppEBook objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ManagedEBooksRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
index b00ab4a5dee..9b48daa8c00 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
index 3112e063359..0bc02c2c79b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/MdmWindowsInformationProtectionPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/MdmWindowsInformationProtectionPolicyItemRequestBuilder.cs
index 294c7b8ac4a..ac71cacb7b7 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/MdmWindowsInformationProtectionPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/MdmWindowsInformationProtectionPolicyItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
index 2d9e2cd479a..d4f19db468c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MdmWindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppCategories/Item/MobileAppCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppCategories/Item/MobileAppCategoryItemRequestBuilder.cs
index 2c8a1bda5e1..66b532a212c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppCategories/Item/MobileAppCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppCategories/Item/MobileAppCategoryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assign/AssignRequestBuilder.cs
index cd155713be0..606ced76d89 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assignments/Item/ManagedDeviceMobileAppConfigurationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assignments/Item/ManagedDeviceMobileAppConfigurationAssignmentItemRequestBuilder.cs
index 766c7a29c98..ddd1e1c8c6d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assignments/Item/ManagedDeviceMobileAppConfigurationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/Assignments/Item/ManagedDeviceMobileAppConfigurationAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatusSummary/DeviceStatusSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatusSummary/DeviceStatusSummaryRequestBuilder.cs
index 8548ce5b123..5308c5cc1f2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatusSummary/DeviceStatusSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatusSummary/DeviceStatusSummaryRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatuses/Item/ManagedDeviceMobileAppConfigurationDeviceStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatuses/Item/ManagedDeviceMobileAppConfigurationDeviceStatusItemRequestBuilder.cs
index d954ccdaf33..48bde2be72d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatuses/Item/ManagedDeviceMobileAppConfigurationDeviceStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/DeviceStatuses/Item/ManagedDeviceMobileAppConfigurationDeviceStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/ManagedDeviceMobileAppConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/ManagedDeviceMobileAppConfigurationItemRequestBuilder.cs
index a1ff189b90f..e1062f6f1d2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/ManagedDeviceMobileAppConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/ManagedDeviceMobileAppConfigurationItemRequestBuilder.cs
@@ -159,6 +159,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatusSummary/UserStatusSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatusSummary/UserStatusSummaryRequestBuilder.cs
index 7db7dd5a154..b2f59f2e50f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatusSummary/UserStatusSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatusSummary/UserStatusSummaryRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatuses/Item/ManagedDeviceMobileAppConfigurationUserStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatuses/Item/ManagedDeviceMobileAppConfigurationUserStatusItemRequestBuilder.cs
index 64cfde9e4a1..de76067e157 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatuses/Item/ManagedDeviceMobileAppConfigurationUserStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/Item/UserStatuses/Item/ManagedDeviceMobileAppConfigurationUserStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/MobileAppConfigurationsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/MobileAppConfigurationsRequestBuilder.cs
index 1ba9b0ffa86..b4abbbe9e48 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/MobileAppConfigurationsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileAppConfigurations/MobileAppConfigurationsRequestBuilder.cs
@@ -54,8 +54,8 @@ public MobileAppConfigurationsRequestBuilder(string rawUrl, IRequestAdapter requ
         {
         }
         /// <summary>
-        /// List properties and relationships of the iosMobileAppConfiguration objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-iosmobileappconfiguration-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the managedDeviceMobileAppConfiguration objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-manageddevicemobileappconfiguration-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ManagedDeviceMobileAppConfigurationCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -104,7 +104,7 @@ public MobileAppConfigurationsRequestBuilder(string rawUrl, IRequestAdapter requ
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ManagedDeviceMobileAppConfiguration>(requestInfo, global::Microsoft.Graph.Models.ManagedDeviceMobileAppConfiguration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the iosMobileAppConfiguration objects.
+        /// List properties and relationships of the managedDeviceMobileAppConfiguration objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -154,7 +154,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceAppManagement.MobileAppConfigurations.MobileAppConfigurationsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the iosMobileAppConfiguration objects.
+        /// List properties and relationships of the managedDeviceMobileAppConfiguration objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MobileAppConfigurationsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assign/AssignRequestBuilder.cs
index 512eaf4a343..97839f2830a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assign/AssignRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 28e41985246..2c6c0a1325c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 5304952bab6..628648d2221 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index 8c75f9a1037..25e158247fe 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index abd6431a1f2..bd5121ce8db 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index b3668da95be..611da440de2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 614409cf34e..be2f4010991 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 231ca4bbac0..e5e5b32b0c3 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index a9b193203bd..743edc41d6f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphAndroidStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index bd5a339784e..b57521f142e 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index 8231206ac6b..463c9b05227 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index de11dfba904..6888ce1b9b8 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 8e7782dac69..14161b00a9d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 9a045818765..71c499d7473 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 9027f5cbac2..6d76e9f509f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 19906e8a2c7..89067ef0081 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosStoreApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosVppApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosVppApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 5ae00c96036..5a5a6332c77 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosVppApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphIosVppApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 6c98b3b359e..1cae1a686c9 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index e5fe86c05d1..305957c5dcc 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index b36c51de5f6..06aae267bd1 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 32fc5da1d75..37bb49eb70c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 76a32c2d42b..42aadf9b7a4 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index dea8d865632..3a31ceba7b8 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSDmgApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 63d51bf6343..9049cb2305a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index a9737845472..d9359b439f6 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index 0e4e18a51bb..eb16bfb39fb 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 8e830e97aff..38752b76b59 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 941fa313ca3..de9afaae98c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 8320e5328b1..26bdf06e235 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMacOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 1edfb6064f6..7afd9fa73af 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index cd699f983a8..21ff8b531e4 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index bf216ce90f3..4f16801f777 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 5a16511068a..9a2331f3506 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 1e8e9ff2a3d..fc3be3f788f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index f901d098d53..84eb7e0234a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedAndroidLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index bb56cedc6d7..81c48f9b24e 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index d105c7576fd..6d35ff80bcb 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index ddb62889227..c8ffa4e20d6 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 5714cf21a11..4d993d3a98d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 44cc828af10..541ed828644 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index be7ff8898d7..b84d4221f1f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedIOSLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 87d9e93bfdc..f9bfd1ed739 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index f24eeb06ab6..33f635b2811 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index afa6ee258c2..52f1554721d 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index b8e61ea42f8..df352e24317 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index bb961a7b28c..14d09226d64 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index b678b55c6dc..3120bba4c9b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphManagedMobileLobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMicrosoftStoreForBusinessApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMicrosoftStoreForBusinessApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 10cc8e9f111..ef18fb6be86 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMicrosoftStoreForBusinessApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphMicrosoftStoreForBusinessApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 6fff4adf20a..9faaece20e2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index 65b583aed46..e4741d3c538 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index 8410b981af7..33a529e754c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index 8c505f1dc7c..901d4543b5c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index fafcf90a77a..af3dc44a41c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 22ed9af5bba..1491221490a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWin32LobApp/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 0feb829a0f4..405f69bf8b5 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index fd9ee0d0739..2b52ae72e1a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index b4b0f9676ba..4dbf0afab0b 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index d064e00929a..10215430e41 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index fecc2e9c601..90dc50253c8 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 503f7d56b74..9a1f2f904d1 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 0696e31d7b3..3997d3807f6 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index 15c31662598..5fa850a30ba 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index 033ba2964c8..5e28f89b8ed 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index c6c06e1f3e7..3e14e427e72 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 3786f9cd886..caa0bc20f6c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index 88815200b0b..e3b64c516d4 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsMobileMSI/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 08aeeee34e6..8d7ed5869cf 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/CommittedContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/CommittedContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index db3d8759cfd..5d45d8dc954 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/CommittedContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/CommittedContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
index 62b4ea0d724..a8ee975306c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/ContainedApps/Item/MobileContainedAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
index fc3d98cd669..65d13993c77 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/Commit/CommitRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
index ec925bd680a..1bccc400a27 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/MobileAppContentFileItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
index 4a829cb9ee7..7a4e18fe467 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/Files/Item/RenewUpload/RenewUploadRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
index b002149b696..17a9a22e0c2 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsUniversalAppX/ContentVersions/Item/MobileAppContentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsWebApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsWebApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
index 1edda0e42ec..7607919a277 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsWebApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/GraphWindowsWebApp/Assignments/Item/MobileAppAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/MobileAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/MobileAppItemRequestBuilder.cs
index 9c5d04e9fda..a0e7347cf92 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/MobileAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/Item/MobileAppItemRequestBuilder.cs
@@ -149,8 +149,8 @@ public MobileAppItemRequestBuilder(string rawUrl, IRequestAdapter requestAdapter
         {
         }
         /// <summary>
-        /// Deletes a macOSMicrosoftEdgeApp.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-macosmicrosoftedgeapp-delete?view=graph-rest-1.0" />
+        /// Deletes a iosLobApp.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-ioslobapp-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -172,8 +172,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the iosiPadOSWebClip object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-iosipadoswebclip-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the macOSOfficeSuiteApp object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-macosofficesuiteapp-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MobileApp"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -196,8 +196,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MobileApp>(requestInfo, global::Microsoft.Graph.Models.MobileApp.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the properties of a macOSMicrosoftEdgeApp object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-macosmicrosoftedgeapp-update?view=graph-rest-1.0" />
+        /// Update the properties of a webApp object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-webapp-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MobileApp"/></returns>
         /// <param name="body">The request body</param>
@@ -222,7 +222,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MobileApp>(requestInfo, global::Microsoft.Graph.Models.MobileApp.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a macOSMicrosoftEdgeApp.
+        /// Deletes a iosLobApp.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -237,10 +237,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the iosiPadOSWebClip object.
+        /// Read properties and relationships of the macOSOfficeSuiteApp object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -259,7 +260,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a macOSMicrosoftEdgeApp object.
+        /// Update the properties of a webApp object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -298,7 +299,7 @@ public partial class MobileAppItemRequestBuilderDeleteRequestConfiguration : Req
         {
         }
         /// <summary>
-        /// Read properties and relationships of the iosiPadOSWebClip object.
+        /// Read properties and relationships of the macOSOfficeSuiteApp object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MobileAppItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/MobileAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/MobileAppsRequestBuilder.cs
index 0620c65eb78..9178f32c31c 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/MobileAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/MobileApps/MobileAppsRequestBuilder.cs
@@ -150,8 +150,8 @@ public MobileAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
         {
         }
         /// <summary>
-        /// List properties and relationships of the macOSOfficeSuiteApp objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-macosofficesuiteapp-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the windowsMicrosoftEdgeApp objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-windowsmicrosoftedgeapp-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MobileAppCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -174,8 +174,8 @@ public MobileAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MobileAppCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.MobileAppCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new windowsAppX object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-windowsappx-create?view=graph-rest-1.0" />
+        /// Create a new managedAndroidLobApp object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-apps-managedandroidlobapp-create?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MobileApp"/></returns>
         /// <param name="body">The request body</param>
@@ -200,7 +200,7 @@ public MobileAppsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) :
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MobileApp>(requestInfo, global::Microsoft.Graph.Models.MobileApp.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the macOSOfficeSuiteApp objects.
+        /// List properties and relationships of the windowsMicrosoftEdgeApp objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -219,7 +219,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new windowsAppX object.
+        /// Create a new managedAndroidLobApp object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -250,7 +250,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceAppManagement.MobileApps.MobileAppsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the macOSOfficeSuiteApp objects.
+        /// List properties and relationships of the windowsMicrosoftEdgeApp objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MobileAppsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/SyncMicrosoftStoreForBusinessApps/SyncMicrosoftStoreForBusinessAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/SyncMicrosoftStoreForBusinessApps/SyncMicrosoftStoreForBusinessAppsRequestBuilder.cs
index 3fea5f759e2..bc4d3a00b19 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/SyncMicrosoftStoreForBusinessApps/SyncMicrosoftStoreForBusinessAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/SyncMicrosoftStoreForBusinessApps/SyncMicrosoftStoreForBusinessAppsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
index bd9e4fe63f4..c6c40734bf8 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Apps/Item/ManagedMobileAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assign/AssignRequestBuilder.cs
index d4f0f37946e..6e6b6c67791 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
index afdb3758dac..4b9915e52de 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
index 9407056e2f7..f996c3d456f 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/DeploymentSummary/DeploymentSummaryRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetApps/TargetAppsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetApps/TargetAppsRequestBuilder.cs
index 77bd78c651d..b59c06aa116 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetApps/TargetAppsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetApps/TargetAppsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetedManagedAppConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetedManagedAppConfigurationItemRequestBuilder.cs
index 8b07d9dbec3..4b25a144233 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetedManagedAppConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/TargetedManagedAppConfigurations/Item/TargetedManagedAppConfigurationItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/VppTokens/Item/VppTokenItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/VppTokens/Item/VppTokenItemRequestBuilder.cs
index 503310c654d..27115f472b3 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/VppTokens/Item/VppTokenItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/VppTokens/Item/VppTokenItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
index 8b0674366d2..38c73f45609 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/Assignments/Item/TargetedManagedAppPolicyAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
index 773525d98fb..29455d08ad9 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ExemptAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
index ef8a449b013..1cd8436f38a 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/ProtectedAppLockerFiles/Item/WindowsInformationProtectionAppLockerFileItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/WindowsInformationProtectionPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/WindowsInformationProtectionPolicyItemRequestBuilder.cs
index 36216be4c02..16dd4c46cec 100644
--- a/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/WindowsInformationProtectionPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceAppManagement/WindowsInformationProtectionPolicies/Item/WindowsInformationProtectionPolicyItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ApplePushNotificationCertificate/ApplePushNotificationCertificateRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ApplePushNotificationCertificate/ApplePushNotificationCertificateRequestBuilder.cs
index a34b0c4145a..8c4e3739a0e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ApplePushNotificationCertificate/ApplePushNotificationCertificateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ApplePushNotificationCertificate/ApplePushNotificationCertificateRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/AuditEvents/Item/AuditEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/AuditEvents/Item/AuditEventItemRequestBuilder.cs
index 324e30f50ec..617821ff5d8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/AuditEvents/Item/AuditEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/AuditEvents/Item/AuditEventItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ComplianceManagementPartners/Item/ComplianceManagementPartnerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ComplianceManagementPartners/Item/ComplianceManagementPartnerItemRequestBuilder.cs
index cb461258f33..fae61966a1e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ComplianceManagementPartners/Item/ComplianceManagementPartnerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ComplianceManagementPartners/Item/ComplianceManagementPartnerItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ConditionalAccessSettings/ConditionalAccessSettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ConditionalAccessSettings/ConditionalAccessSettingsRequestBuilder.cs
index 70f1c921548..0f511d05436 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ConditionalAccessSettings/ConditionalAccessSettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ConditionalAccessSettings/ConditionalAccessSettingsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DetectedApps/Item/DetectedAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DetectedApps/Item/DetectedAppItemRequestBuilder.cs
index b570c704f92..80d664a799d 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DetectedApps/Item/DetectedAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DetectedApps/Item/DetectedAppItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCategories/Item/DeviceCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCategories/Item/DeviceCategoryItemRequestBuilder.cs
index 35db0a2b41e..f0acd2f1bbc 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCategories/Item/DeviceCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCategories/Item/DeviceCategoryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/DeviceCompliancePoliciesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/DeviceCompliancePoliciesRequestBuilder.cs
index 84eac466720..b127f918e41 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/DeviceCompliancePoliciesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/DeviceCompliancePoliciesRequestBuilder.cs
@@ -54,8 +54,8 @@ public DeviceCompliancePoliciesRequestBuilder(string rawUrl, IRequestAdapter req
         {
         }
         /// <summary>
-        /// List properties and relationships of the deviceCompliancePolicy objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-devicecompliancepolicy-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the androidWorkProfileCompliancePolicy objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-androidworkprofilecompliancepolicy-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceCompliancePolicyCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -78,8 +78,8 @@ public DeviceCompliancePoliciesRequestBuilder(string rawUrl, IRequestAdapter req
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceCompliancePolicyCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.DeviceCompliancePolicyCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new windows10MobileCompliancePolicy object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10mobilecompliancepolicy-create?view=graph-rest-1.0" />
+        /// Create a new windows10CompliancePolicy object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10compliancepolicy-create?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceCompliancePolicy"/></returns>
         /// <param name="body">The request body</param>
@@ -104,7 +104,7 @@ public DeviceCompliancePoliciesRequestBuilder(string rawUrl, IRequestAdapter req
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceCompliancePolicy>(requestInfo, global::Microsoft.Graph.Models.DeviceCompliancePolicy.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the deviceCompliancePolicy objects.
+        /// List properties and relationships of the androidWorkProfileCompliancePolicy objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -123,7 +123,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new windows10MobileCompliancePolicy object.
+        /// Create a new windows10CompliancePolicy object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -154,7 +154,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceManagement.DeviceCompliancePolicies.DeviceCompliancePoliciesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the deviceCompliancePolicy objects.
+        /// List properties and relationships of the androidWorkProfileCompliancePolicy objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class DeviceCompliancePoliciesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/Assignments/Item/DeviceCompliancePolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/Assignments/Item/DeviceCompliancePolicyAssignmentItemRequestBuilder.cs
index 47890b298ad..79c5352b899 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/Assignments/Item/DeviceCompliancePolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/Assignments/Item/DeviceCompliancePolicyAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceCompliancePolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceCompliancePolicyItemRequestBuilder.cs
index 8d4291f268a..101e81d4a2c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceCompliancePolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceCompliancePolicyItemRequestBuilder.cs
@@ -89,8 +89,8 @@ public DeviceCompliancePolicyItemRequestBuilder(string rawUrl, IRequestAdapter r
         {
         }
         /// <summary>
-        /// Deletes a iosCompliancePolicy.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-ioscompliancepolicy-delete?view=graph-rest-1.0" />
+        /// Deletes a windows10MobileCompliancePolicy.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10mobilecompliancepolicy-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -112,8 +112,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the androidCompliancePolicy object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-androidcompliancepolicy-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the iosCompliancePolicy object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-ioscompliancepolicy-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceCompliancePolicy"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -136,8 +136,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceCompliancePolicy>(requestInfo, global::Microsoft.Graph.Models.DeviceCompliancePolicy.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the properties of a androidCompliancePolicy object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-androidcompliancepolicy-update?view=graph-rest-1.0" />
+        /// Update the properties of a iosCompliancePolicy object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-ioscompliancepolicy-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceCompliancePolicy"/></returns>
         /// <param name="body">The request body</param>
@@ -162,7 +162,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceCompliancePolicy>(requestInfo, global::Microsoft.Graph.Models.DeviceCompliancePolicy.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a iosCompliancePolicy.
+        /// Deletes a windows10MobileCompliancePolicy.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -177,10 +177,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the androidCompliancePolicy object.
+        /// Read properties and relationships of the iosCompliancePolicy object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -199,7 +200,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a androidCompliancePolicy object.
+        /// Update the properties of a iosCompliancePolicy object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -238,7 +239,7 @@ public partial class DeviceCompliancePolicyItemRequestBuilderDeleteRequestConfig
         {
         }
         /// <summary>
-        /// Read properties and relationships of the androidCompliancePolicy object.
+        /// Read properties and relationships of the iosCompliancePolicy object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class DeviceCompliancePolicyItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
index 47d85cf11b1..609978e6797 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
index b4ceb9fc357..173eb6010d0 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatuses/Item/DeviceComplianceDeviceStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatuses/Item/DeviceComplianceDeviceStatusItemRequestBuilder.cs
index c81e732c21a..5820c89971b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatuses/Item/DeviceComplianceDeviceStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/DeviceStatuses/Item/DeviceComplianceDeviceStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduleActionsForRules/ScheduleActionsForRulesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduleActionsForRules/ScheduleActionsForRulesRequestBuilder.cs
index 7459eba1b17..638808293e2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduleActionsForRules/ScheduleActionsForRulesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduleActionsForRules/ScheduleActionsForRulesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/DeviceComplianceScheduledActionForRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/DeviceComplianceScheduledActionForRuleItemRequestBuilder.cs
index 16a49aad161..b919ef29863 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/DeviceComplianceScheduledActionForRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/DeviceComplianceScheduledActionForRuleItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/ScheduledActionConfigurations/Item/DeviceComplianceActionItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/ScheduledActionConfigurations/Item/DeviceComplianceActionItemItemRequestBuilder.cs
index b7d0b4a324c..5a2818bd27f 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/ScheduledActionConfigurations/Item/DeviceComplianceActionItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/ScheduledActionsForRule/Item/ScheduledActionConfigurations/Item/DeviceComplianceActionItemItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
index 54ddefc7d4c..e1af4a665fd 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatuses/Item/DeviceComplianceUserStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatuses/Item/DeviceComplianceUserStatusItemRequestBuilder.cs
index 082fc48bec1..a35cce8740c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatuses/Item/DeviceComplianceUserStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicies/Item/UserStatuses/Item/DeviceComplianceUserStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicyDeviceStateSummary/DeviceCompliancePolicyDeviceStateSummaryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicyDeviceStateSummary/DeviceCompliancePolicyDeviceStateSummaryRequestBuilder.cs
index 04337249244..8f8740d7320 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicyDeviceStateSummary/DeviceCompliancePolicyDeviceStateSummaryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicyDeviceStateSummary/DeviceCompliancePolicyDeviceStateSummaryRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceCompliancePolicySettingStateSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceCompliancePolicySettingStateSummaryItemRequestBuilder.cs
index f5b4f07e6a4..d930902012f 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceCompliancePolicySettingStateSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceCompliancePolicySettingStateSummaryItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceComplianceSettingStates/Item/DeviceComplianceSettingStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceComplianceSettingStates/Item/DeviceComplianceSettingStateItemRequestBuilder.cs
index c75753d2244..88d944e753e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceComplianceSettingStates/Item/DeviceComplianceSettingStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceCompliancePolicySettingStateSummaries/Item/DeviceComplianceSettingStates/Item/DeviceComplianceSettingStateItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurationDeviceStateSummaries/DeviceConfigurationDeviceStateSummariesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurationDeviceStateSummaries/DeviceConfigurationDeviceStateSummariesRequestBuilder.cs
index 25ed1a423f5..3e3e8737120 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurationDeviceStateSummaries/DeviceConfigurationDeviceStateSummariesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurationDeviceStateSummaries/DeviceConfigurationDeviceStateSummariesRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/DeviceConfigurationsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/DeviceConfigurationsRequestBuilder.cs
index fd93fae4afc..5b4ddd8f5f2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/DeviceConfigurationsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/DeviceConfigurationsRequestBuilder.cs
@@ -54,8 +54,8 @@ public DeviceConfigurationsRequestBuilder(string rawUrl, IRequestAdapter request
         {
         }
         /// <summary>
-        /// List properties and relationships of the windows10GeneralConfiguration objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10generalconfiguration-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the windows10CustomConfiguration objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10customconfiguration-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceConfigurationCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -78,8 +78,8 @@ public DeviceConfigurationsRequestBuilder(string rawUrl, IRequestAdapter request
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceConfigurationCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.DeviceConfigurationCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new windows10EndpointProtectionConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10endpointprotectionconfiguration-create?view=graph-rest-1.0" />
+        /// Create a new macOSCustomConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-macoscustomconfiguration-create?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceConfiguration"/></returns>
         /// <param name="body">The request body</param>
@@ -104,7 +104,7 @@ public DeviceConfigurationsRequestBuilder(string rawUrl, IRequestAdapter request
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceConfiguration>(requestInfo, global::Microsoft.Graph.Models.DeviceConfiguration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List properties and relationships of the windows10GeneralConfiguration objects.
+        /// List properties and relationships of the windows10CustomConfiguration objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -123,7 +123,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new windows10EndpointProtectionConfiguration object.
+        /// Create a new macOSCustomConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -154,7 +154,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.DeviceManagement.DeviceConfigurations.DeviceConfigurationsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List properties and relationships of the windows10GeneralConfiguration objects.
+        /// List properties and relationships of the windows10CustomConfiguration objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class DeviceConfigurationsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/Assignments/Item/DeviceConfigurationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/Assignments/Item/DeviceConfigurationAssignmentItemRequestBuilder.cs
index 36a4b2db46f..a315c7f98a4 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/Assignments/Item/DeviceConfigurationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/Assignments/Item/DeviceConfigurationAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceConfigurationItemRequestBuilder.cs
index cae9e6489ec..d426c560958 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceConfigurationItemRequestBuilder.cs
@@ -78,8 +78,8 @@ public DeviceConfigurationItemRequestBuilder(string rawUrl, IRequestAdapter requ
         {
         }
         /// <summary>
-        /// Deletes a windows10CustomConfiguration.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10customconfiguration-delete?view=graph-rest-1.0" />
+        /// Deletes a editionUpgradeConfiguration.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-editionupgradeconfiguration-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -101,8 +101,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the windows10CustomConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10customconfiguration-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the windowsDefenderAdvancedThreatProtectionConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windowsdefenderadvancedthreatprotectionconfiguration-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceConfiguration"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -135,8 +135,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return new global::Microsoft.Graph.DeviceManagement.DeviceConfigurations.Item.GetOmaSettingPlainTextValueWithSecretReferenceValueId.GetOmaSettingPlainTextValueWithSecretReferenceValueIdRequestBuilder(PathParameters, RequestAdapter, secretReferenceValueId);
         }
         /// <summary>
-        /// Update the properties of a editionUpgradeConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-editionupgradeconfiguration-update?view=graph-rest-1.0" />
+        /// Update the properties of a windows10TeamGeneralConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-deviceconfig-windows10teamgeneralconfiguration-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceConfiguration"/></returns>
         /// <param name="body">The request body</param>
@@ -161,7 +161,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceConfiguration>(requestInfo, global::Microsoft.Graph.Models.DeviceConfiguration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a windows10CustomConfiguration.
+        /// Deletes a editionUpgradeConfiguration.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -176,10 +176,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the windows10CustomConfiguration object.
+        /// Read properties and relationships of the windowsDefenderAdvancedThreatProtectionConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -198,7 +199,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a editionUpgradeConfiguration object.
+        /// Update the properties of a windows10TeamGeneralConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -237,7 +238,7 @@ public partial class DeviceConfigurationItemRequestBuilderDeleteRequestConfigura
         {
         }
         /// <summary>
-        /// Read properties and relationships of the windows10CustomConfiguration object.
+        /// Read properties and relationships of the windowsDefenderAdvancedThreatProtectionConfiguration object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class DeviceConfigurationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
index 20484e20370..f96a35e53dc 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceSettingStateSummaries/Item/SettingStateDeviceSummaryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
index dc4e4405495..cade875e65a 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatusOverview/DeviceStatusOverviewRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatuses/Item/DeviceConfigurationDeviceStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatuses/Item/DeviceConfigurationDeviceStatusItemRequestBuilder.cs
index 4c3fa35a189..e124c9a8b87 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatuses/Item/DeviceConfigurationDeviceStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/DeviceStatuses/Item/DeviceConfigurationDeviceStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
index b99f4160bf6..dee48d8afc1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatusOverview/UserStatusOverviewRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatuses/Item/DeviceConfigurationUserStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatuses/Item/DeviceConfigurationUserStatusItemRequestBuilder.cs
index 8eba463b42b..d9e0b54154c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatuses/Item/DeviceConfigurationUserStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceConfigurations/Item/UserStatuses/Item/DeviceConfigurationUserStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/DeviceEnrollmentConfigurationsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/DeviceEnrollmentConfigurationsRequestBuilder.cs
index f7a5a11fe22..cccca78f8c7 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/DeviceEnrollmentConfigurationsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/DeviceEnrollmentConfigurationsRequestBuilder.cs
@@ -78,8 +78,8 @@ public DeviceEnrollmentConfigurationsRequestBuilder(string rawUrl, IRequestAdapt
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceEnrollmentConfigurationCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.DeviceEnrollmentConfigurationCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new deviceEnrollmentLimitConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentlimitconfiguration-create?view=graph-rest-1.0" />
+        /// Create a new deviceEnrollmentWindowsHelloForBusinessConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentwindowshelloforbusinessconfiguration-create?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration"/></returns>
         /// <param name="body">The request body</param>
@@ -123,7 +123,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new deviceEnrollmentLimitConfiguration object.
+        /// Create a new deviceEnrollmentWindowsHelloForBusinessConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assign/AssignRequestBuilder.cs
index abe6b59e878..578e4b95b88 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assignments/Item/EnrollmentConfigurationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assignments/Item/EnrollmentConfigurationAssignmentItemRequestBuilder.cs
index 28c7fd9b413..67f28154352 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assignments/Item/EnrollmentConfigurationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/Assignments/Item/EnrollmentConfigurationAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/DeviceEnrollmentConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/DeviceEnrollmentConfigurationItemRequestBuilder.cs
index 1655f76b73c..61f4cd5bf94 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/DeviceEnrollmentConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/DeviceEnrollmentConfigurationItemRequestBuilder.cs
@@ -53,8 +53,8 @@ public DeviceEnrollmentConfigurationItemRequestBuilder(string rawUrl, IRequestAd
         {
         }
         /// <summary>
-        /// Deletes a deviceEnrollmentLimitConfiguration.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentlimitconfiguration-delete?view=graph-rest-1.0" />
+        /// Deletes a deviceEnrollmentPlatformRestrictionsConfiguration.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentplatformrestrictionsconfiguration-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -76,8 +76,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the deviceEnrollmentLimitConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentlimitconfiguration-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the deviceEnrollmentConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentconfiguration-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -100,8 +100,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration>(requestInfo, global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the properties of a deviceEnrollmentPlatformRestrictionsConfiguration object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentplatformrestrictionsconfiguration-update?view=graph-rest-1.0" />
+        /// Update the properties of a deviceEnrollmentWindowsHelloForBusinessConfiguration object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-deviceenrollmentwindowshelloforbusinessconfiguration-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration"/></returns>
         /// <param name="body">The request body</param>
@@ -126,7 +126,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration>(requestInfo, global::Microsoft.Graph.Models.DeviceEnrollmentConfiguration.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a deviceEnrollmentLimitConfiguration.
+        /// Deletes a deviceEnrollmentPlatformRestrictionsConfiguration.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -141,10 +141,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the deviceEnrollmentLimitConfiguration object.
+        /// Read properties and relationships of the deviceEnrollmentConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -163,7 +164,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a deviceEnrollmentPlatformRestrictionsConfiguration object.
+        /// Update the properties of a deviceEnrollmentWindowsHelloForBusinessConfiguration object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -202,7 +203,7 @@ public partial class DeviceEnrollmentConfigurationItemRequestBuilderDeleteReques
         {
         }
         /// <summary>
-        /// Read properties and relationships of the deviceEnrollmentLimitConfiguration object.
+        /// Read properties and relationships of the deviceEnrollmentConfiguration object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class DeviceEnrollmentConfigurationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/SetPriority/SetPriorityRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/SetPriority/SetPriorityRequestBuilder.cs
index 60976ebe2b4..dbf483f3df2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/SetPriority/SetPriorityRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceEnrollmentConfigurations/Item/SetPriority/SetPriorityRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/DeviceManagementPartnerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/DeviceManagementPartnerItemRequestBuilder.cs
index 219e1e49257..fdd47d3271c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/DeviceManagementPartnerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/DeviceManagementPartnerItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/Terminate/TerminateRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/Terminate/TerminateRequestBuilder.cs
index 1d5ef248b2a..b7df3f70d22 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/Terminate/TerminateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementPartners/Item/Terminate/TerminateRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementRequestBuilder.cs
index 18fc8dbb221..05325cf6c3d 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/DeviceManagementRequestBuilder.cs
@@ -392,7 +392,7 @@ public DeviceManagementRequestBuilder(string rawUrl, IRequestAdapter requestAdap
         }
         /// <summary>
         /// Read properties and relationships of the deviceManagement object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-enrollment-devicemanagement-get?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-devicemanagement-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceManagement"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -426,7 +426,7 @@ public DeviceManagementRequestBuilder(string rawUrl, IRequestAdapter requestAdap
         }
         /// <summary>
         /// Update the properties of a deviceManagement object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-remoteassistance-devicemanagement-update?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-gpanalyticsservice-devicemanagement-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.DeviceManagement"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/DeviceManagementExchangeConnectorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/DeviceManagementExchangeConnectorItemRequestBuilder.cs
index b1b97eae9d4..948957e5fc9 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/DeviceManagementExchangeConnectorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/DeviceManagementExchangeConnectorItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/Sync/SyncRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/Sync/SyncRequestBuilder.cs
index b7fad34e143..84c1f83e294 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/Sync/SyncRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ExchangeConnectors/Item/Sync/SyncRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ImportedWindowsAutopilotDeviceIdentities/Item/ImportedWindowsAutopilotDeviceIdentityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ImportedWindowsAutopilotDeviceIdentities/Item/ImportedWindowsAutopilotDeviceIdentityItemRequestBuilder.cs
index 9959db4c309..7c7ca2ad296 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ImportedWindowsAutopilotDeviceIdentities/Item/ImportedWindowsAutopilotDeviceIdentityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ImportedWindowsAutopilotDeviceIdentities/Item/ImportedWindowsAutopilotDeviceIdentityItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/IosUpdateStatuses/Item/IosUpdateDeviceStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/IosUpdateStatuses/Item/IosUpdateDeviceStatusItemRequestBuilder.cs
index fdcce5dc6cc..dda46cd53f1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/IosUpdateStatuses/Item/IosUpdateDeviceStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/IosUpdateStatuses/Item/IosUpdateDeviceStatusItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
index fe0eec22f30..c561f7fcb39 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
index d2ed5256174..c9026304286 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
index 428c134ebbd..8c522b29392 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
index 2a4b3f10487..8f2d62c5870 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
index 63504c1e954..7f321c9deb8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
index ac39c269986..a3c969e4b62 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
index 6df700d0b72..77bae53cba2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
index 151f002de4b..865ce36978b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
index c7cd7c39fd5..ad47d57b2b3 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
index 581077334f6..8950ee62747 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
index 65504eb4ae5..5168d8f89ff 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
index 7e563cf9d9b..34e1790b7d4 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
@@ -265,6 +265,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
index 984f3cbdeb5..737ccb17888 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
index 98f22bfba65..4a894b45cba 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
index 2e98b89c0e8..479dab9369e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
index bbf9b104494..4d4cf00764c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
index f688232ceb9..8de2e4d0f0f 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Retire/RetireRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
index 1f51862d4e4..ff622816fb0 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
index f19c4f612c2..068defc7f18 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
index 5a9508ccb83..9d60e097e7e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
index 359dc19cb1b..0f45201acd1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
index 432e613cc34..2a9be53b848 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
index b9ced8eee8a..3cde156d70e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
index 47fe9619d74..f846969c1ba 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
index 4ce900df400..8d5ebe597dd 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
index 0c1e43b3b38..9df9e53610b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/AppLogCollectionRequests/Item/AppLogCollectionRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/AppLogCollectionRequests/Item/AppLogCollectionRequestItemRequestBuilder.cs
index 591da7966e6..ba8be1b3baf 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/AppLogCollectionRequests/Item/AppLogCollectionRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/AppLogCollectionRequests/Item/AppLogCollectionRequestItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/MobileAppTroubleshootingEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/MobileAppTroubleshootingEventItemRequestBuilder.cs
index 76c9c633c83..0f1cf688759 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/MobileAppTroubleshootingEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/MobileAppTroubleshootingEvents/Item/MobileAppTroubleshootingEventItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/MobileThreatDefenseConnectors/Item/MobileThreatDefenseConnectorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/MobileThreatDefenseConnectors/Item/MobileThreatDefenseConnectorItemRequestBuilder.cs
index 1d4b5dd35b0..97b64747665 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/MobileThreatDefenseConnectors/Item/MobileThreatDefenseConnectorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/MobileThreatDefenseConnectors/Item/MobileThreatDefenseConnectorItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/LocalizedNotificationMessages/Item/LocalizedNotificationMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/LocalizedNotificationMessages/Item/LocalizedNotificationMessageItemRequestBuilder.cs
index d3cc63af8ed..e2f0ea5eb0c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/LocalizedNotificationMessages/Item/LocalizedNotificationMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/LocalizedNotificationMessages/Item/LocalizedNotificationMessageItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/NotificationMessageTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/NotificationMessageTemplateItemRequestBuilder.cs
index 647143a55d4..64ad90fdabb 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/NotificationMessageTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/NotificationMessageTemplateItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/SendTestMessage/SendTestMessageRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/SendTestMessage/SendTestMessageRequestBuilder.cs
index 172e384c810..6a400397d8b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/SendTestMessage/SendTestMessageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/NotificationMessageTemplates/Item/SendTestMessage/SendTestMessageRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/BeginOnboarding/BeginOnboardingRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/BeginOnboarding/BeginOnboardingRequestBuilder.cs
index 425a3703222..48850398b6b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/BeginOnboarding/BeginOnboardingRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/BeginOnboarding/BeginOnboardingRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/Disconnect/DisconnectRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/Disconnect/DisconnectRequestBuilder.cs
index cf0af68e43e..6b82ca613f4 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/Disconnect/DisconnectRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/Disconnect/DisconnectRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/RemoteAssistancePartnerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/RemoteAssistancePartnerItemRequestBuilder.cs
index 83efab39343..f4021926c98 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/RemoteAssistancePartnerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RemoteAssistancePartners/Item/RemoteAssistancePartnerItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ExportJobs/Item/DeviceManagementExportJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ExportJobs/Item/DeviceManagementExportJobItemRequestBuilder.cs
index e6846ed1407..c3a969a4044 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ExportJobs/Item/DeviceManagementExportJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ExportJobs/Item/DeviceManagementExportJobItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCachedReport/GetCachedReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCachedReport/GetCachedReportRequestBuilder.cs
index 3515ddb1118..36b18f1a1b6 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCachedReport/GetCachedReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCachedReport/GetCachedReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceReport/GetCompliancePolicyNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceReport/GetCompliancePolicyNonComplianceReportRequestBuilder.cs
index 51c69e22155..b80c057d595 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceReport/GetCompliancePolicyNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceReport/GetCompliancePolicyNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceSummaryReport/GetCompliancePolicyNonComplianceSummaryReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceSummaryReport/GetCompliancePolicyNonComplianceSummaryReportRequestBuilder.cs
index 6ed4d3804fb..8164140be80 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceSummaryReport/GetCompliancePolicyNonComplianceSummaryReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetCompliancePolicyNonComplianceSummaryReport/GetCompliancePolicyNonComplianceSummaryReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetComplianceSettingNonComplianceReport/GetComplianceSettingNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetComplianceSettingNonComplianceReport/GetComplianceSettingNonComplianceReportRequestBuilder.cs
index e424bf41c4f..826cb7dd596 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetComplianceSettingNonComplianceReport/GetComplianceSettingNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetComplianceSettingNonComplianceReport/GetComplianceSettingNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceReport/GetConfigurationPolicyNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceReport/GetConfigurationPolicyNonComplianceReportRequestBuilder.cs
index d58dbe2bd8c..7f7f562ac88 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceReport/GetConfigurationPolicyNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceReport/GetConfigurationPolicyNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceSummaryReport/GetConfigurationPolicyNonComplianceSummaryReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceSummaryReport/GetConfigurationPolicyNonComplianceSummaryReportRequestBuilder.cs
index f152943e230..a8aec9733ed 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceSummaryReport/GetConfigurationPolicyNonComplianceSummaryReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationPolicyNonComplianceSummaryReport/GetConfigurationPolicyNonComplianceSummaryReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationSettingNonComplianceReport/GetConfigurationSettingNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationSettingNonComplianceReport/GetConfigurationSettingNonComplianceReportRequestBuilder.cs
index f1c7edaddb3..a6c9ccc9a37 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationSettingNonComplianceReport/GetConfigurationSettingNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetConfigurationSettingNonComplianceReport/GetConfigurationSettingNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentPerSettingContributingProfiles/GetDeviceManagementIntentPerSettingContributingProfilesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentPerSettingContributingProfiles/GetDeviceManagementIntentPerSettingContributingProfilesRequestBuilder.cs
index c83fa229028..27dad7beb66 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentPerSettingContributingProfiles/GetDeviceManagementIntentPerSettingContributingProfilesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentPerSettingContributingProfiles/GetDeviceManagementIntentPerSettingContributingProfilesRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentSettingsReport/GetDeviceManagementIntentSettingsReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentSettingsReport/GetDeviceManagementIntentSettingsReportRequestBuilder.cs
index 27278d8c5a8..07bb53f8f69 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentSettingsReport/GetDeviceManagementIntentSettingsReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceManagementIntentSettingsReport/GetDeviceManagementIntentSettingsReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceNonComplianceReport/GetDeviceNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceNonComplianceReport/GetDeviceNonComplianceReportRequestBuilder.cs
index f920c9af492..bb0920e16d1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceNonComplianceReport/GetDeviceNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDeviceNonComplianceReport/GetDeviceNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDevicesWithoutCompliancePolicyReport/GetDevicesWithoutCompliancePolicyReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDevicesWithoutCompliancePolicyReport/GetDevicesWithoutCompliancePolicyReportRequestBuilder.cs
index 7ed3d108f1e..80779b4c94d 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDevicesWithoutCompliancePolicyReport/GetDevicesWithoutCompliancePolicyReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetDevicesWithoutCompliancePolicyReport/GetDevicesWithoutCompliancePolicyReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetHistoricalReport/GetHistoricalReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetHistoricalReport/GetHistoricalReportRequestBuilder.cs
index 8323a70951e..e5e764a8b4e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetHistoricalReport/GetHistoricalReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetHistoricalReport/GetHistoricalReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetNoncompliantDevicesAndSettingsReport/GetNoncompliantDevicesAndSettingsReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetNoncompliantDevicesAndSettingsReport/GetNoncompliantDevicesAndSettingsReportRequestBuilder.cs
index 146c87a37a0..0da845823b2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetNoncompliantDevicesAndSettingsReport/GetNoncompliantDevicesAndSettingsReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetNoncompliantDevicesAndSettingsReport/GetNoncompliantDevicesAndSettingsReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceMetadata/GetPolicyNonComplianceMetadataRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceMetadata/GetPolicyNonComplianceMetadataRequestBuilder.cs
index 9faaa76785f..6f2f3202005 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceMetadata/GetPolicyNonComplianceMetadataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceMetadata/GetPolicyNonComplianceMetadataRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceReport/GetPolicyNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceReport/GetPolicyNonComplianceReportRequestBuilder.cs
index 982efcdf452..bc632a60654 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceReport/GetPolicyNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceReport/GetPolicyNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceSummaryReport/GetPolicyNonComplianceSummaryReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceSummaryReport/GetPolicyNonComplianceSummaryReportRequestBuilder.cs
index c4341408965..9cfec4abff0 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceSummaryReport/GetPolicyNonComplianceSummaryReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetPolicyNonComplianceSummaryReport/GetPolicyNonComplianceSummaryReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetReportFilters/GetReportFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetReportFilters/GetReportFiltersRequestBuilder.cs
index d08e676fb4b..93c30d48079 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetReportFilters/GetReportFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetReportFilters/GetReportFiltersRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetSettingNonComplianceReport/GetSettingNonComplianceReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetSettingNonComplianceReport/GetSettingNonComplianceReportRequestBuilder.cs
index 4012e13786f..ce301cb1a5c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetSettingNonComplianceReport/GetSettingNonComplianceReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/GetSettingNonComplianceReport/GetSettingNonComplianceReportRequestBuilder.cs
@@ -77,7 +77,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ReportsRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ReportsRequestBuilder.cs
index 4f9753fabaa..a4ce65329f1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ReportsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/ReportsRequestBuilder.cs
@@ -242,6 +242,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/RetrieveDeviceAppInstallationStatusReport/RetrieveDeviceAppInstallationStatusReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/RetrieveDeviceAppInstallationStatusReport/RetrieveDeviceAppInstallationStatusReportRequestBuilder.cs
index 652e25823b4..3d5be6712a8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/Reports/RetrieveDeviceAppInstallationStatusReport/RetrieveDeviceAppInstallationStatusReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/Reports/RetrieveDeviceAppInstallationStatusReport/RetrieveDeviceAppInstallationStatusReportRequestBuilder.cs
@@ -76,7 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/ResourceOperations/Item/ResourceOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/ResourceOperations/Item/ResourceOperationItemRequestBuilder.cs
index a67ed9b07c3..ca55eed62ac 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/ResourceOperations/Item/ResourceOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/ResourceOperations/Item/ResourceOperationItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RoleAssignments/Item/DeviceAndAppManagementRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RoleAssignments/Item/DeviceAndAppManagementRoleAssignmentItemRequestBuilder.cs
index 13f846636cc..2a2da4ef138 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RoleAssignments/Item/DeviceAndAppManagementRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RoleAssignments/Item/DeviceAndAppManagementRoleAssignmentItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleAssignments/Item/RoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleAssignments/Item/RoleAssignmentItemRequestBuilder.cs
index 8c3bb19db82..e0531e7283b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleAssignments/Item/RoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleAssignments/Item/RoleAssignmentItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleDefinitionItemRequestBuilder.cs
index c2314ee8170..c36414d7a11 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/RoleDefinitions/Item/RoleDefinitionItemRequestBuilder.cs
@@ -41,8 +41,8 @@ public RoleDefinitionItemRequestBuilder(string rawUrl, IRequestAdapter requestAd
         {
         }
         /// <summary>
-        /// Deletes a roleDefinition.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-roledefinition-delete?view=graph-rest-1.0" />
+        /// Deletes a deviceAndAppManagementRoleDefinition.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-deviceandappmanagementroledefinition-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -64,8 +64,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the roleDefinition object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-roledefinition-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the deviceAndAppManagementRoleDefinition object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-deviceandappmanagementroledefinition-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.RoleDefinition"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -88,8 +88,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.RoleDefinition>(requestInfo, global::Microsoft.Graph.Models.RoleDefinition.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the properties of a deviceAndAppManagementRoleDefinition object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-deviceandappmanagementroledefinition-update?view=graph-rest-1.0" />
+        /// Update the properties of a roleDefinition object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-rbac-roledefinition-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.RoleDefinition"/></returns>
         /// <param name="body">The request body</param>
@@ -114,7 +114,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.RoleDefinition>(requestInfo, global::Microsoft.Graph.Models.RoleDefinition.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a roleDefinition.
+        /// Deletes a deviceAndAppManagementRoleDefinition.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -129,10 +129,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the roleDefinition object.
+        /// Read properties and relationships of the deviceAndAppManagementRoleDefinition object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -151,7 +152,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a deviceAndAppManagementRoleDefinition object.
+        /// Update the properties of a roleDefinition object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -190,7 +191,7 @@ public partial class RoleDefinitionItemRequestBuilderDeleteRequestConfiguration
         {
         }
         /// <summary>
-        /// Read properties and relationships of the roleDefinition object.
+        /// Read properties and relationships of the deviceAndAppManagementRoleDefinition object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class RoleDefinitionItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/TelecomExpenseManagementPartners/Item/TelecomExpenseManagementPartnerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/TelecomExpenseManagementPartners/Item/TelecomExpenseManagementPartnerItemRequestBuilder.cs
index 5e7cfabde2f..ab9a1b6f967 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/TelecomExpenseManagementPartners/Item/TelecomExpenseManagementPartnerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/TelecomExpenseManagementPartners/Item/TelecomExpenseManagementPartnerItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/AcceptanceStatuses/Item/TermsAndConditionsAcceptanceStatusItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/AcceptanceStatuses/Item/TermsAndConditionsAcceptanceStatusItemRequestBuilder.cs
index ce905f3d170..ccc1a9542bf 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/AcceptanceStatuses/Item/TermsAndConditionsAcceptanceStatusItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/AcceptanceStatuses/Item/TermsAndConditionsAcceptanceStatusItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/Assignments/Item/TermsAndConditionsAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/Assignments/Item/TermsAndConditionsAssignmentItemRequestBuilder.cs
index 9b676a7f919..a9597d70af5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/Assignments/Item/TermsAndConditionsAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/Assignments/Item/TermsAndConditionsAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/TermsAndConditionsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/TermsAndConditionsItemRequestBuilder.cs
index 6a270668f61..ce52d6b66c2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/TermsAndConditionsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/TermsAndConditions/Item/TermsAndConditionsItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/TroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/TroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
index 13879dc2d13..666247721c4 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/TroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/TroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformance/Item/UserExperienceAnalyticsAppHealthApplicationPerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformance/Item/UserExperienceAnalyticsAppHealthApplicationPerformanceItemRequestBuilder.cs
index 2332b3760f6..d1314e24f6c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformance/Item/UserExperienceAnalyticsAppHealthApplicationPerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformance/Item/UserExperienceAnalyticsAppHealthApplicationPerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDetails/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDetailsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDetails/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDetailsItemRequestBuilder.cs
index 712083a8964..e969938bdd5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDetails/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDetailsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDetails/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDetailsItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDeviceId/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDeviceIdItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDeviceId/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDeviceIdItemRequestBuilder.cs
index fdcdc9c50ac..4f1f8b2e4d2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDeviceId/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDeviceIdItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByAppVersionDeviceId/Item/UserExperienceAnalyticsAppHealthAppPerformanceByAppVersionDeviceIdItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByOSVersion/Item/UserExperienceAnalyticsAppHealthAppPerformanceByOSVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByOSVersion/Item/UserExperienceAnalyticsAppHealthAppPerformanceByOSVersionItemRequestBuilder.cs
index 9e0b41c78fa..596fd708332 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByOSVersion/Item/UserExperienceAnalyticsAppHealthAppPerformanceByOSVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthApplicationPerformanceByOSVersion/Item/UserExperienceAnalyticsAppHealthAppPerformanceByOSVersionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDeviceModelPerformance/Item/UserExperienceAnalyticsAppHealthDeviceModelPerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDeviceModelPerformance/Item/UserExperienceAnalyticsAppHealthDeviceModelPerformanceItemRequestBuilder.cs
index 4a7790f58ef..48ab95e7050 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDeviceModelPerformance/Item/UserExperienceAnalyticsAppHealthDeviceModelPerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDeviceModelPerformance/Item/UserExperienceAnalyticsAppHealthDeviceModelPerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformance/Item/UserExperienceAnalyticsAppHealthDevicePerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformance/Item/UserExperienceAnalyticsAppHealthDevicePerformanceItemRequestBuilder.cs
index 665fa08add2..ee1425c0c6c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformance/Item/UserExperienceAnalyticsAppHealthDevicePerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformance/Item/UserExperienceAnalyticsAppHealthDevicePerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformanceDetails/Item/UserExperienceAnalyticsAppHealthDevicePerformanceDetailsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformanceDetails/Item/UserExperienceAnalyticsAppHealthDevicePerformanceDetailsItemRequestBuilder.cs
index a4acb73746b..8af46660562 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformanceDetails/Item/UserExperienceAnalyticsAppHealthDevicePerformanceDetailsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthDevicePerformanceDetails/Item/UserExperienceAnalyticsAppHealthDevicePerformanceDetailsItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOSVersionPerformance/Item/UserExperienceAnalyticsAppHealthOSVersionPerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOSVersionPerformance/Item/UserExperienceAnalyticsAppHealthOSVersionPerformanceItemRequestBuilder.cs
index 57d8088fcd3..31f1f7240d5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOSVersionPerformance/Item/UserExperienceAnalyticsAppHealthOSVersionPerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOSVersionPerformance/Item/UserExperienceAnalyticsAppHealthOSVersionPerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
index 4ad3026a1c1..ea9a2ea75af 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/UserExperienceAnalyticsAppHealthOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/UserExperienceAnalyticsAppHealthOverviewRequestBuilder.cs
index 3ed6435bae8..db88e5683d5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/UserExperienceAnalyticsAppHealthOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsAppHealthOverview/UserExperienceAnalyticsAppHealthOverviewRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsBaselines/Item/UserExperienceAnalyticsBaselineItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsBaselines/Item/UserExperienceAnalyticsBaselineItemRequestBuilder.cs
index a71d6333cd7..447eac44223 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsBaselines/Item/UserExperienceAnalyticsBaselineItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsBaselines/Item/UserExperienceAnalyticsBaselineItemRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
index b931947f1ff..18f446baf77 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/MetricValues/Item/UserExperienceAnalyticsMetricItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/UserExperienceAnalyticsCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/UserExperienceAnalyticsCategoryItemRequestBuilder.cs
index 62fb9ca1f45..873f84daacc 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/UserExperienceAnalyticsCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsCategories/Item/UserExperienceAnalyticsCategoryItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDevicePerformance/Item/UserExperienceAnalyticsDevicePerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDevicePerformance/Item/UserExperienceAnalyticsDevicePerformanceItemRequestBuilder.cs
index 0e8e97202d9..ada01f3a500 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDevicePerformance/Item/UserExperienceAnalyticsDevicePerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDevicePerformance/Item/UserExperienceAnalyticsDevicePerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceScores/Item/UserExperienceAnalyticsDeviceScoresItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceScores/Item/UserExperienceAnalyticsDeviceScoresItemRequestBuilder.cs
index 2536b26850d..5290ad08ac8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceScores/Item/UserExperienceAnalyticsDeviceScoresItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceScores/Item/UserExperienceAnalyticsDeviceScoresItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupHistory/Item/UserExperienceAnalyticsDeviceStartupHistoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupHistory/Item/UserExperienceAnalyticsDeviceStartupHistoryItemRequestBuilder.cs
index 6c67b0af337..de24a1dc11a 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupHistory/Item/UserExperienceAnalyticsDeviceStartupHistoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupHistory/Item/UserExperienceAnalyticsDeviceStartupHistoryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcessPerformance/Item/UserExperienceAnalyticsDeviceStartupProcessPerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcessPerformance/Item/UserExperienceAnalyticsDeviceStartupProcessPerformanceItemRequestBuilder.cs
index ba3c7db5868..287461561ae 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcessPerformance/Item/UserExperienceAnalyticsDeviceStartupProcessPerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcessPerformance/Item/UserExperienceAnalyticsDeviceStartupProcessPerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcesses/Item/UserExperienceAnalyticsDeviceStartupProcessItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcesses/Item/UserExperienceAnalyticsDeviceStartupProcessItemRequestBuilder.cs
index efce7c2927d..bd50e48bd28 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcesses/Item/UserExperienceAnalyticsDeviceStartupProcessItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsDeviceStartupProcesses/Item/UserExperienceAnalyticsDeviceStartupProcessItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsMetricHistory/Item/UserExperienceAnalyticsMetricHistoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsMetricHistory/Item/UserExperienceAnalyticsMetricHistoryItemRequestBuilder.cs
index b4f19729484..714f3541119 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsMetricHistory/Item/UserExperienceAnalyticsMetricHistoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsMetricHistory/Item/UserExperienceAnalyticsMetricHistoryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsModelScores/Item/UserExperienceAnalyticsModelScoresItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsModelScores/Item/UserExperienceAnalyticsModelScoresItemRequestBuilder.cs
index 8a485c9e0fa..b885743bc6b 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsModelScores/Item/UserExperienceAnalyticsModelScoresItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsModelScores/Item/UserExperienceAnalyticsModelScoresItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsOverview/UserExperienceAnalyticsOverviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsOverview/UserExperienceAnalyticsOverviewRequestBuilder.cs
index 8e578b3d3f1..47a42f578d8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsOverview/UserExperienceAnalyticsOverviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsOverview/UserExperienceAnalyticsOverviewRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsScoreHistory/Item/UserExperienceAnalyticsScoreHistoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsScoreHistory/Item/UserExperienceAnalyticsScoreHistoryItemRequestBuilder.cs
index 45ac23ba7bb..4a912803928 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsScoreHistory/Item/UserExperienceAnalyticsScoreHistoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsScoreHistory/Item/UserExperienceAnalyticsScoreHistoryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetric/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetricRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetric/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetricRequestBuilder.cs
index 13f4e91f846..d69e1cc8356 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetric/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetricRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetric/UserExperienceAnalyticsWorkFromAnywhereHardwareReadinessMetricRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/MetricDevices/Item/UserExperienceAnalyticsWorkFromAnywhereDeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/MetricDevices/Item/UserExperienceAnalyticsWorkFromAnywhereDeviceItemRequestBuilder.cs
index 8c327225456..e13cac2c256 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/MetricDevices/Item/UserExperienceAnalyticsWorkFromAnywhereDeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/MetricDevices/Item/UserExperienceAnalyticsWorkFromAnywhereDeviceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/UserExperienceAnalyticsWorkFromAnywhereMetricItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/UserExperienceAnalyticsWorkFromAnywhereMetricItemRequestBuilder.cs
index 0c38cb7a17a..a6dd9bda6a1 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/UserExperienceAnalyticsWorkFromAnywhereMetricItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereMetrics/Item/UserExperienceAnalyticsWorkFromAnywhereMetricItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereModelPerformance/Item/UserExperienceAnalyticsWorkFromAnywhereModelPerformanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereModelPerformance/Item/UserExperienceAnalyticsWorkFromAnywhereModelPerformanceItemRequestBuilder.cs
index 816095b5c53..6f90d0b03ce 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereModelPerformance/Item/UserExperienceAnalyticsWorkFromAnywhereModelPerformanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/UserExperienceAnalyticsWorkFromAnywhereModelPerformance/Item/UserExperienceAnalyticsWorkFromAnywhereModelPerformanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/AuditEvents/Item/CloudPcAuditEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/AuditEvents/Item/CloudPcAuditEventItemRequestBuilder.cs
index 07dafb53dfe..52966f7630c 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/AuditEvents/Item/CloudPcAuditEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/AuditEvents/Item/CloudPcAuditEventItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/CloudPCItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/CloudPCItemRequestBuilder.cs
index f60642578cb..ede3541f806 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/CloudPCItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/CloudPCItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/EndGracePeriod/EndGracePeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/EndGracePeriod/EndGracePeriodRequestBuilder.cs
index 15e11e48c7c..834afea970f 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/EndGracePeriod/EndGracePeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/EndGracePeriod/EndGracePeriodRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Reboot/RebootRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Reboot/RebootRequestBuilder.cs
index 93f80300a53..b0ac454a551 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Reboot/RebootRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Reboot/RebootRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Rename/RenameRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Rename/RenameRequestBuilder.cs
index 326c127e7f6..e379dad9210 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Rename/RenameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Rename/RenameRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Restore/RestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Restore/RestoreRequestBuilder.cs
index 45ea5a68d40..f934063468e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Restore/RestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Restore/RestoreRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Troubleshoot/TroubleshootRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Troubleshoot/TroubleshootRequestBuilder.cs
index b1759658d4e..74f9015965d 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Troubleshoot/TroubleshootRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/CloudPCs/Item/Troubleshoot/TroubleshootRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/DeviceImages/Item/CloudPcDeviceImageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/DeviceImages/Item/CloudPcDeviceImageItemRequestBuilder.cs
index f9a5dacba35..bc32b4186e8 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/DeviceImages/Item/CloudPcDeviceImageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/DeviceImages/Item/CloudPcDeviceImageItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/GalleryImages/Item/CloudPcGalleryImageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/GalleryImages/Item/CloudPcGalleryImageItemRequestBuilder.cs
index d757bd60923..4bd527b1ae9 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/GalleryImages/Item/CloudPcGalleryImageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/GalleryImages/Item/CloudPcGalleryImageItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/CloudPcOnPremisesConnectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/CloudPcOnPremisesConnectionItemRequestBuilder.cs
index dea84352511..643b8809247 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/CloudPcOnPremisesConnectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/CloudPcOnPremisesConnectionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/RunHealthChecks/RunHealthChecksRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/RunHealthChecks/RunHealthChecksRequestBuilder.cs
index 715b5513d10..0a349d429f5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/RunHealthChecks/RunHealthChecksRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/OnPremisesConnections/Item/RunHealthChecks/RunHealthChecksRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assign/AssignRequestBuilder.cs
index c72cc44d352..86dc444126e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assignments/Item/CloudPcProvisioningPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assignments/Item/CloudPcProvisioningPolicyAssignmentItemRequestBuilder.cs
index 2162ed2c54e..ea06f8a9cd2 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assignments/Item/CloudPcProvisioningPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/Assignments/Item/CloudPcProvisioningPolicyAssignmentItemRequestBuilder.cs
@@ -137,6 +137,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/CloudPcProvisioningPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/CloudPcProvisioningPolicyItemRequestBuilder.cs
index f984cae511f..30d75becb86 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/CloudPcProvisioningPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/ProvisioningPolicies/Item/CloudPcProvisioningPolicyItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assign/AssignRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assign/AssignRequestBuilder.cs
index 4ae076fbef2..3bbae055278 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assign/AssignRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assign/AssignRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assignments/Item/CloudPcUserSettingAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assignments/Item/CloudPcUserSettingAssignmentItemRequestBuilder.cs
index 22cd09dc5c2..3b7a856881d 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assignments/Item/CloudPcUserSettingAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/Assignments/Item/CloudPcUserSettingAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/CloudPcUserSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/CloudPcUserSettingItemRequestBuilder.cs
index 83137419ada..856f24c1350 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/CloudPcUserSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/UserSettings/Item/CloudPcUserSettingItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/VirtualEndpointRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/VirtualEndpointRequestBuilder.cs
index eb3f85df7a2..985fda5e4f5 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/VirtualEndpointRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/VirtualEndpoint/VirtualEndpointRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/AssignUserToDevice/AssignUserToDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/AssignUserToDevice/AssignUserToDeviceRequestBuilder.cs
index 76225a9bd38..a4d592245a4 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/AssignUserToDevice/AssignUserToDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/AssignUserToDevice/AssignUserToDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UnassignUserFromDevice/UnassignUserFromDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UnassignUserFromDevice/UnassignUserFromDeviceRequestBuilder.cs
index 9f069fe4cb2..c723796f39f 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UnassignUserFromDevice/UnassignUserFromDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UnassignUserFromDevice/UnassignUserFromDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UpdateDeviceProperties/UpdateDevicePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UpdateDeviceProperties/UpdateDevicePropertiesRequestBuilder.cs
index e9b5ffd7fb6..c15644acf06 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UpdateDeviceProperties/UpdateDevicePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/UpdateDeviceProperties/UpdateDevicePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/WindowsAutopilotDeviceIdentityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/WindowsAutopilotDeviceIdentityItemRequestBuilder.cs
index 9cce64edb2b..8dc1d33a198 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/WindowsAutopilotDeviceIdentityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsAutopilotDeviceIdentities/Item/WindowsAutopilotDeviceIdentityItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionAppLearningSummaries/Item/WindowsInformationProtectionAppLearningSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionAppLearningSummaries/Item/WindowsInformationProtectionAppLearningSummaryItemRequestBuilder.cs
index 52112ac9ccc..f10d642d50e 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionAppLearningSummaries/Item/WindowsInformationProtectionAppLearningSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionAppLearningSummaries/Item/WindowsInformationProtectionAppLearningSummaryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionNetworkLearningSummaries/Item/WindowsInformationProtectionNetworkLearningSummaryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionNetworkLearningSummaries/Item/WindowsInformationProtectionNetworkLearningSummaryItemRequestBuilder.cs
index f537671bb50..065c7aa19af 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionNetworkLearningSummaries/Item/WindowsInformationProtectionNetworkLearningSummaryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsInformationProtectionNetworkLearningSummaries/Item/WindowsInformationProtectionNetworkLearningSummaryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/DeviceMalwareStates/Item/MalwareStateForWindowsDeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/DeviceMalwareStates/Item/MalwareStateForWindowsDeviceItemRequestBuilder.cs
index 7634baddeb2..e99f09b7ad9 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/DeviceMalwareStates/Item/MalwareStateForWindowsDeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/DeviceMalwareStates/Item/MalwareStateForWindowsDeviceItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/WindowsMalwareInformationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/WindowsMalwareInformationItemRequestBuilder.cs
index f550500e1f3..55e67b7d747 100644
--- a/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/WindowsMalwareInformationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DeviceManagement/WindowsMalwareInformation/Item/WindowsMalwareInformationItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/DeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/DeviceItemRequestBuilder.cs
index a4313afa8ff..061fb024339 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/DeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/DeviceItemRequestBuilder.cs
@@ -183,6 +183,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 24df1785c08..6dc6ba68b00 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Item/Ref/RefRequestBuilder.cs
index 2e60af6d50d..9ffb67c4a43 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Ref/RefRequestBuilder.cs
index e214271c434..6668ccc3831 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredOwners/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/devices/{device%2Did}/registeredOwners/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/devices/{device%2Did}/registeredOwners/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Item/Ref/RefRequestBuilder.cs
index debb010c3ce..027e33d2e83 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Ref/RefRequestBuilder.cs
index e0db96b1d6f..1e32cc17fd3 100644
--- a/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/Item/RegisteredUsers/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/devices/{device%2Did}/registeredUsers/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/devices/{device%2Did}/registeredUsers/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Devices/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Devices/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 60f32c3a7da..d457306e377 100644
--- a/src/Microsoft.Graph/Generated/Devices/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Devices/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Devic
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DevicesWithDeviceId/DevicesWithDeviceIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/DevicesWithDeviceId/DevicesWithDeviceIdRequestBuilder.cs
index 97e29cdc908..4da4f2d8385 100644
--- a/src/Microsoft.Graph/Generated/DevicesWithDeviceId/DevicesWithDeviceIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DevicesWithDeviceId/DevicesWithDeviceIdRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/AdministrativeUnitItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/AdministrativeUnitItemRequestBuilder.cs
index a8ed6ba5b88..322ae93a4f7 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/AdministrativeUnitItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/AdministrativeUnitItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 76298338677..c475383cf3b 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Item/Ref/RefRequestBuilder.cs
index 88b02816fec..074b614e756 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Ref/RefRequestBuilder.cs
index 4073510f606..ff39079a394 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/Members/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/directory/administrativeUnits/{administrativeUnit%2Did}/members/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/directory/administrativeUnits/{administrativeUnit%2Did}/members/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/ScopedRoleMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/ScopedRoleMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
index c42737fddd2..204f13b69b5 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/ScopedRoleMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AdministrativeUnits/Item/ScopedRoleMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/AttributeSets/Item/AttributeSetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/AttributeSets/Item/AttributeSetItemRequestBuilder.cs
index 2fba87e72a5..0ff6301d1f5 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/AttributeSets/Item/AttributeSetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/AttributeSets/Item/AttributeSetItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/AllowedValues/Item/AllowedValueItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/AllowedValues/Item/AllowedValueItemRequestBuilder.cs
index eae49355dce..c2ef84567c0 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/AllowedValues/Item/AllowedValueItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/AllowedValues/Item/AllowedValueItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/CustomSecurityAttributeDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/CustomSecurityAttributeDefinitionItemRequestBuilder.cs
index 62280dd2cdc..30ee596994c 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/CustomSecurityAttributeDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/CustomSecurityAttributeDefinitions/Item/CustomSecurityAttributeDefinitionItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/Item/DirectoryObjectItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/Item/DirectoryObjectItemRequestBuilder.cs
index 4086869cca3..09430f9a584 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/Item/DirectoryObjectItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/Item/DirectoryObjectItemRequestBuilder.cs
@@ -163,6 +163,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index dc22573230d..f3daa2fadd8 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeletedItems/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Direc
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeviceLocalCredentials/Item/DeviceLocalCredentialInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeviceLocalCredentials/Item/DeviceLocalCredentialInfoItemRequestBuilder.cs
index 70c05f45b60..2a9ebafbb7f 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/DeviceLocalCredentials/Item/DeviceLocalCredentialInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/DeviceLocalCredentials/Item/DeviceLocalCredentialInfoItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/FederationConfigurations/Item/IdentityProviderBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/FederationConfigurations/Item/IdentityProviderBaseItemRequestBuilder.cs
index 20d0c09cc5b..cb2c6298012 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/FederationConfigurations/Item/IdentityProviderBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/FederationConfigurations/Item/IdentityProviderBaseItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/OnPremisesSynchronization/Item/OnPremisesDirectorySynchronizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/OnPremisesSynchronization/Item/OnPremisesDirectorySynchronizationItemRequestBuilder.cs
index bb1c51abdd2..c1c4ad78018 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/OnPremisesSynchronization/Item/OnPremisesDirectorySynchronizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/OnPremisesSynchronization/Item/OnPremisesDirectorySynchronizationItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateAuthorities/Item/CertificateAuthorityDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateAuthorities/Item/CertificateAuthorityDetailItemRequestBuilder.cs
index 18dbbc70cbb..564c7784b83 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateAuthorities/Item/CertificateAuthorityDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateAuthorities/Item/CertificateAuthorityDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateBasedAuthPkiItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateBasedAuthPkiItemRequestBuilder.cs
index 66a677ad8ee..d0583094e1c 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateBasedAuthPkiItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/CertificateBasedAuthPkiItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/Upload/UploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/Upload/UploadRequestBuilder.cs
index 629dcb6fe87..b44b77479a4 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/Upload/UploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/CertificateBasedAuthConfigurations/Item/Upload/UploadRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Direc
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/PublicKeyInfrastructureRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/PublicKeyInfrastructureRequestBuilder.cs
index d29317e5e0a..4beb1d1ddf8 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/PublicKeyInfrastructureRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/PublicKeyInfrastructure/PublicKeyInfrastructureRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/Subscriptions/Item/CompanySubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/Subscriptions/Item/CompanySubscriptionItemRequestBuilder.cs
index a4f8c5e773c..b78c975c93d 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/Subscriptions/Item/CompanySubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/Subscriptions/Item/CompanySubscriptionItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryNamespace/SubscriptionsWithCommerceSubscriptionId/SubscriptionsWithCommerceSubscriptionIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryNamespace/SubscriptionsWithCommerceSubscriptionId/SubscriptionsWithCommerceSubscriptionIdRequestBuilder.cs
index db4e0d6e5e0..b9ff438d31b 100644
--- a/src/Microsoft.Graph/Generated/DirectoryNamespace/SubscriptionsWithCommerceSubscriptionId/SubscriptionsWithCommerceSubscriptionIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryNamespace/SubscriptionsWithCommerceSubscriptionId/SubscriptionsWithCommerceSubscriptionIdRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryObjects/Item/DirectoryObjectItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryObjects/Item/DirectoryObjectItemRequestBuilder.cs
index fadcc10e505..4ab0528718d 100644
--- a/src/Microsoft.Graph/Generated/DirectoryObjects/Item/DirectoryObjectItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryObjects/Item/DirectoryObjectItemRequestBuilder.cs
@@ -152,6 +152,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryObjects/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryObjects/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index fc87240c935..f25770fe70e 100644
--- a/src/Microsoft.Graph/Generated/DirectoryObjects/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryObjects/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Direc
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/Item/DirectoryRoleTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/Item/DirectoryRoleTemplateItemRequestBuilder.cs
index 12cbd51a254..a207c2a626e 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/Item/DirectoryRoleTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/Item/DirectoryRoleTemplateItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 1ef08eadb46..07d1e442ab5 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoleTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Direc
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/DirectoryRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/DirectoryRoleItemRequestBuilder.cs
index f3a3e4800c5..1dbd3da4122 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/DirectoryRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/DirectoryRoleItemRequestBuilder.cs
@@ -163,6 +163,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Item/Ref/RefRequestBuilder.cs
index 094d78e85c8..30c28fe82de 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Ref/RefRequestBuilder.cs
index 8fe9ff0f659..cb4cc6eb5cb 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/Members/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/directoryRoles/{directoryRole%2Did}/members/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/directoryRoles/{directoryRole%2Did}/members/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/ScopedMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/ScopedMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
index 74562beabdc..3a992e16252 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoles/Item/ScopedMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoles/Item/ScopedMembers/Item/ScopedRoleMembershipItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DirectoryRoles/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRoles/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index ee4de19a916..046607b7a9b 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRoles/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRoles/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Direc
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/DirectoryRolesWithRoleTemplateId/DirectoryRolesWithRoleTemplateIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/DirectoryRolesWithRoleTemplateId/DirectoryRolesWithRoleTemplateIdRequestBuilder.cs
index dcd701a75e7..e6745e095e7 100644
--- a/src/Microsoft.Graph/Generated/DirectoryRolesWithRoleTemplateId/DirectoryRolesWithRoleTemplateIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DirectoryRolesWithRoleTemplateId/DirectoryRolesWithRoleTemplateIdRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/DomainDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/DomainDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
index 868083c341d..cdcb1b414ea 100644
--- a/src/Microsoft.Graph/Generated/DomainDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/DomainDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Domains/Item/DomainItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Domains/Item/DomainItemRequestBuilder.cs
index 92d5bb6508b..5e9882f6945 100644
--- a/src/Microsoft.Graph/Generated/Domains/Item/DomainItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Domains/Item/DomainItemRequestBuilder.cs
@@ -171,6 +171,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Domains/Item/FederationConfiguration/Item/InternalDomainFederationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Domains/Item/FederationConfiguration/Item/InternalDomainFederationItemRequestBuilder.cs
index d8c1900371c..75715b9b0fb 100644
--- a/src/Microsoft.Graph/Generated/Domains/Item/FederationConfiguration/Item/InternalDomainFederationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Domains/Item/FederationConfiguration/Item/InternalDomainFederationItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Domains/Item/ForceDelete/ForceDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Domains/Item/ForceDelete/ForceDeleteRequestBuilder.cs
index 47d26bbce1d..115c45f7a64 100644
--- a/src/Microsoft.Graph/Generated/Domains/Item/ForceDelete/ForceDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Domains/Item/ForceDelete/ForceDeleteRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Domai
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Domains/Item/ServiceConfigurationRecords/Item/DomainDnsRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Domains/Item/ServiceConfigurationRecords/Item/DomainDnsRecordItemRequestBuilder.cs
index 9f2f7ace1c9..45134c54344 100644
--- a/src/Microsoft.Graph/Generated/Domains/Item/ServiceConfigurationRecords/Item/DomainDnsRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Domains/Item/ServiceConfigurationRecords/Item/DomainDnsRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Domains/Item/VerificationDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Domains/Item/VerificationDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
index 6edfdb584c2..f518892ca50 100644
--- a/src/Microsoft.Graph/Generated/Domains/Item/VerificationDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Domains/Item/VerificationDnsRecords/Item/DomainDnsRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Bundles/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Bundles/Item/Content/ContentRequestBuilder.cs
index 25f4849ea42..34575b32bb3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Bundles/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Bundles/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/DriveItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/DriveItemRequestBuilder.cs
index 228acada4d3..2ceb27547ae 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/DriveItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/DriveItemRequestBuilder.cs
@@ -191,6 +191,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Following/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Following/Item/Content/ContentRequestBuilder.cs
index faec4e6adef..f8eda34ef80 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Following/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Following/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/AnalyticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/AnalyticsRequestBuilder.cs
index d9ae29bc0dd..64ed41ad889 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/AnalyticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/AnalyticsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
index 6cd0a57aad9..9149168be2b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
index 06a9628facd..7b2842f71d3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
index fa4d10d4da5..724ed3299d1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/AssignSensitivityLabel/AssignSensitivityLabelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/AssignSensitivityLabel/AssignSensitivityLabelRequestBuilder.cs
index 39516113a60..b67b85f3fd3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/AssignSensitivityLabel/AssignSensitivityLabelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/AssignSensitivityLabel/AssignSensitivityLabelRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkin/CheckinRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkin/CheckinRequestBuilder.cs
index 6053680bf5b..adb5fd104ec 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkin/CheckinRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkin/CheckinRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkout/CheckoutRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkout/CheckoutRequestBuilder.cs
index 77fc4fadcb9..d381bd93edf 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkout/CheckoutRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Checkout/CheckoutRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Children/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Children/Item/Content/ContentRequestBuilder.cs
index e48c419bb68..1f0ecfaf9a1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Children/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Children/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Content/ContentRequestBuilder.cs
index c8f1bebd274..9462facd884 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Copy/CopyPostRequestBody.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Copy/CopyPostRequestBody.cs
index 46b50289980..e381f3fd9b2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Copy/CopyPostRequestBody.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Copy/CopyPostRequestBody.cs
@@ -22,6 +22,18 @@ public IDictionary<string, object> AdditionalData
         }
         /// <summary>Stores model information.</summary>
         public IBackingStore BackingStore { get; private set; }
+        /// <summary>The childrenOnly property</summary>
+        public bool? ChildrenOnly
+        {
+            get { return BackingStore?.Get<bool?>("childrenOnly"); }
+            set { BackingStore?.Set("childrenOnly", value); }
+        }
+        /// <summary>The includeAllVersionHistory property</summary>
+        public bool? IncludeAllVersionHistory
+        {
+            get { return BackingStore?.Get<bool?>("includeAllVersionHistory"); }
+            set { BackingStore?.Set("includeAllVersionHistory", value); }
+        }
         /// <summary>The name property</summary>
 #if NETSTANDARD2_1_OR_GREATER || NETCOREAPP3_1_OR_GREATER
 #nullable enable
@@ -80,6 +92,8 @@ public virtual IDictionary<string, Action<IParseNode>> GetFieldDeserializers()
         {
             return new Dictionary<string, Action<IParseNode>>
             {
+                { "childrenOnly", n => { ChildrenOnly = n.GetBoolValue(); } },
+                { "includeAllVersionHistory", n => { IncludeAllVersionHistory = n.GetBoolValue(); } },
                 { "name", n => { Name = n.GetStringValue(); } },
                 { "parentReference", n => { ParentReference = n.GetObjectValue<global::Microsoft.Graph.Models.ItemReference>(global::Microsoft.Graph.Models.ItemReference.CreateFromDiscriminatorValue); } },
             };
@@ -91,6 +105,8 @@ public virtual IDictionary<string, Action<IParseNode>> GetFieldDeserializers()
         public virtual void Serialize(ISerializationWriter writer)
         {
             _ = writer ?? throw new ArgumentNullException(nameof(writer));
+            writer.WriteBoolValue("childrenOnly", ChildrenOnly);
+            writer.WriteBoolValue("includeAllVersionHistory", IncludeAllVersionHistory);
             writer.WriteStringValue("name", Name);
             writer.WriteObjectValue<global::Microsoft.Graph.Models.ItemReference>("parentReference", ParentReference);
             writer.WriteAdditionalData(AdditionalData);
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DiscardCheckout/DiscardCheckoutRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DiscardCheckout/DiscardCheckoutRequestBuilder.cs
index 8be861be3ef..8941976ca99 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DiscardCheckout/DiscardCheckoutRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DiscardCheckout/DiscardCheckoutRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DriveItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DriveItemItemRequestBuilder.cs
index 3f34d8db673..92013b2287b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DriveItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/DriveItemItemRequestBuilder.cs
@@ -331,6 +331,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b44ad0692a7..f9494aaeb54 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Permissions/Item/PermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Permissions/Item/PermissionItemRequestBuilder.cs
index f4b3703766c..f50a45830a9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Permissions/Item/PermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Permissions/Item/PermissionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/RetentionLabel/RetentionLabelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/RetentionLabel/RetentionLabelRequestBuilder.cs
index c501b48f603..20b5cd67330 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/RetentionLabel/RetentionLabelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/RetentionLabel/RetentionLabelRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index a260882f49b..3a0edb309b8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index 02272baebaa..86dbdc2dbe3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Thumbnails/Item/ThumbnailSetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Thumbnails/Item/ThumbnailSetItemRequestBuilder.cs
index 3f09eea847f..c24f915bf53 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Thumbnails/Item/ThumbnailSetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Thumbnails/Item/ThumbnailSetItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Unfollow/UnfollowRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Unfollow/UnfollowRequestBuilder.cs
index 85dbe3f3694..fd04395e4b0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Unfollow/UnfollowRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Unfollow/UnfollowRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/ValidatePermission/ValidatePermissionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/ValidatePermission/ValidatePermissionRequestBuilder.cs
index 17dc608b247..be71791e3b6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/ValidatePermission/ValidatePermissionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/ValidatePermission/ValidatePermissionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/Content/ContentRequestBuilder.cs
index d89439cae48..ce442689c64 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/DriveItemVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/DriveItemVersionItemRequestBuilder.cs
index cdfd0a56586..6078461b751 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/DriveItemVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/DriveItemVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
index 3a803c9ae0d..5682e3c2c9b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/ApplicationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/ApplicationRequestBuilder.cs
index fe6582c82f2..e4a3dacb2dc 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/ApplicationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/ApplicationRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/Calculate/CalculateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/Calculate/CalculateRequestBuilder.cs
index 20220dea54e..d03a70da8ac 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/Calculate/CalculateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Application/Calculate/CalculateRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/CloseSession/CloseSessionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/CloseSession/CloseSessionRequestBuilder.cs
index 01d7062b522..1d9ef7af030 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/CloseSession/CloseSessionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/CloseSession/CloseSessionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/Replies/Item/WorkbookCommentReplyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/Replies/Item/WorkbookCommentReplyItemRequestBuilder.cs
index 34546e5b192..d42daddfb7e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/Replies/Item/WorkbookCommentReplyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/Replies/Item/WorkbookCommentReplyItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/WorkbookCommentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/WorkbookCommentItemRequestBuilder.cs
index a81f4dfb942..14d304259c2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/WorkbookCommentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Comments/Item/WorkbookCommentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Functions/FunctionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Functions/FunctionsRequestBuilder.cs
index f76d6a60d2e..ac3b5231fba 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Functions/FunctionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Functions/FunctionsRequestBuilder.cs
@@ -2316,6 +2316,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index 631349a520b..78053743de0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index 861151bfb67..f5cb15fce83 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index 27489669803..43f7af0c786 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index be655fb2523..b73a6f951f9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index 006f32dfe87..f1ddaa54805 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 52b152b5ff5..e495d659375 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/WorkbookNamedItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
index 39a4ea82f3e..9f652f24d16 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Operations/Item/WorkbookOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Operations/Item/WorkbookOperationItemRequestBuilder.cs
index 98837406721..8a1bb90312f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Operations/Item/WorkbookOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Operations/Item/WorkbookOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/RefreshSession/RefreshSessionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/RefreshSession/RefreshSessionRequestBuilder.cs
index 61af34d6f0a..a2b3e143b79 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/RefreshSession/RefreshSessionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/RefreshSession/RefreshSessionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Add/AddRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Add/AddRequestBuilder.cs
index d51dadd226a..09d12d9f590 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Add/AddRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Add/AddRequestBuilder.cs
@@ -35,8 +35,8 @@ public AddRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base(r
         {
         }
         /// <summary>
-        /// Use this API to create a new Table.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/workbook-post-tables?view=graph-rest-1.0" />
+        /// Create a new table. The range source address determines the worksheet under which the table will be added. If the table can&apos;t be added (for example, because the address is invalid, or the table would overlap with another table), an error is generated.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/tablecollection-add?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.WorkbookTable"/></returns>
         /// <param name="body">The request body</param>
@@ -61,7 +61,7 @@ public AddRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base(r
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.WorkbookTable>(requestInfo, global::Microsoft.Graph.Models.WorkbookTable.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Use this API to create a new Table.
+        /// Create a new table. The range source address determines the worksheet under which the table will be added. If the table can&apos;t be added (for example, because the address is invalid, or the table would overlap with another table), an error is generated.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
index bcfee398031..cab8f2e4d04 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
index ebc3c936ca1..6dfb56a78b6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
index 028e9634f22..8a9937caf22 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
index da5847e477d..cbcd2ebae12 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
index 51a38b97f4b..39f985c4879 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
index 75acef3759e..26c84077be1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
index 0a27eae2e3d..f31d0c7cd56 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
index e5298aa4284..afabde3de9a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
index 11686a29fb1..c17ef8efbd1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
index b1af2b08b38..4fd00ecbe18 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
index d470d15267f..cacca0ea74c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
index eca1b9ffdff..5fec32a0136 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
index ddbe0a30cc8..61d539a3fec 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
index 6292afe93e1..a9e28808a80 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
index d5c9853ad46..fb4ead07c0b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
index 36e3feae221..1299662dc0e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
index 22c7db32ca1..377bec8763f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
index f3ed7b1836e..809240eb599 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
index a4d4b85fa80..687997d221d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
index d81160a229a..97b8554df7b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
index 797bcb5b456..1dcb322255b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
index cf16165c856..96d2dc6c0c3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
index 9cd36b7d64a..5d94b868829 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
index b958e973932..ec538dea04b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
index dec49053268..3161d14e3d9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
index f7ae72ce03a..140d29924bd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index 605ce365318..dd635d62a36 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index e5b14b9ee7f..1fafd5ea073 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index d2c9f748ee8..66b6074d734 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index f0d3fff0e3e..4da7a8489c5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index 616ce8cd7b0..ea6092e231f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 749575ca738..ad65751a7b8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
index 569172baddb..5daae9173b9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
index ebaa1b5fb5e..adb00195ff5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
index 6e4570594f9..7f81438da8f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
index d6ac1463254..b792e0a42be 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
index e584873270b..08637f340aa 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
index 71b0ede0933..ac91a193a9d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
index 5223f991b47..2ab5bf23997 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
index bd9811dc919..acc04783afb 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
index 93b0a38b789..c341a4ce26c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
index d7d84835eb3..c56508ff9c4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
index ae8e9042c12..1b1262925f8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
index c85333b3259..a37d4c11047 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
index 8dd77c43af0..3cfc68c3fa9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
index bb8103dad94..bcdba858e07 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
index bc28b429627..c05ee264afd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
index 2bc804bc81b..b6fa48c5446 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
index ce45a784746..807f7398b29 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
index 1fbc1767d93..d274be076df 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
index be3adb44101..966e20e1e15 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
index dd891b383cb..73574c53129 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index 982a4074444..1bc888e9501 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index e2266704d1f..76b67a7f542 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index 04ab6b81a53..2f91b08e221 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index 1ee6d037327..fdfebcf10d6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index bdf4ffe8bcb..a96607ef08a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 5e4246bcf89..bf04d7df48b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
index 9ca3bb1e9da..530a1bca825 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index cf66c995c1c..414a22e6756 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index cddda4bce3b..e24f5e6c0e5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index f791340ed6c..6191892c5d0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index 2e3ecd8a577..f8496f2a436 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index aaeb75f3a48..31252a1261d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index ec6ed605b02..845e71130fd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
index c9714cfefcc..f36eb4a80e7 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
index 2fe61d89a3d..3fcbf9278a0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
index 8e42d98e686..5c3b8dbf2b9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
index fb0a38ddfce..25ceecf6284 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/SortRequestBuilder.cs
index 0d17f64b573..3ef9ebee270 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/Sort/SortRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
index bb5f9118c14..03edf5b0669 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
index 9afa2b5ea7c..b43c6f1b91b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
index 3f40298e2d8..692f25eb8fa 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
index 68423becb2e..5bf15a2166a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
index 73dcb90a216..b6209d426a5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
index 77ba7046a29..d24d238f557 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/WorkbookTableItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/WorkbookTableItemRequestBuilder.cs
index 21e030698b3..587d673c7cd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/WorkbookTableItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/Item/WorkbookTableItemRequestBuilder.cs
@@ -186,6 +186,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
index c85fb55f390..fffeb43b5cf 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
index 79e2b697886..f772bbfc574 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
index 961ccae5ac2..fb6fa66034d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/WorkbookRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/WorkbookRequestBuilder.cs
index fb2a023070e..db3d42013fc 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/WorkbookRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/WorkbookRequestBuilder.cs
@@ -202,6 +202,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Clear/ClearRequestBuilder.cs
index 77290f739ef..976154a5027 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Delete/DeleteRequestBuilder.cs
index 90d533c76df..ce9830bf052 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Format/FormatRequestBuilder.cs
index 5a59451ac34..3b007486d9d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Merge/MergeRequestBuilder.cs
index f60db40c216..29134d1f9b6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Sort/SortRequestBuilder.cs
index 808ffe65576..c9887da6b0d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Unmerge/UnmergeRequestBuilder.cs
index 79c712ac04f..6dcc20a9ac6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/CellWithRowWithColumn/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/AxesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/AxesRequestBuilder.cs
index ed24756750d..411744acf9e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/AxesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/AxesRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/CategoryAxisRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/CategoryAxisRequestBuilder.cs
index de45ffe6254..8a47e8a43f8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/CategoryAxisRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/CategoryAxisRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Font/FontRequestBuilder.cs
index 5834b0999ff..fbce6931595 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/FormatRequestBuilder.cs
index 558e5fbbd6d..4434bddc3c7 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/Clear/ClearRequestBuilder.cs
index d4e891962fe..30fa619554b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/LineRequestBuilder.cs
index 86b338c0c5b..5dc0d7d9f29 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/FormatRequestBuilder.cs
index 6fe66aadf91..7432bc19954 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index 4bce11fa7e8..12054bb45ea 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
index ba73ed64cb9..7d6067f50fd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
index 527eea6926a..9703e19c912 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/FormatRequestBuilder.cs
index f728a08c7f3..ba213783882 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index 476a0c23e61..21f0a617bb6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
index be1e5b42ba5..4e2b50cb40e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
index 09e82c99498..a229a32ca21 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/Font/FontRequestBuilder.cs
index e81aca9897b..f30e3ca7ebc 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/FormatRequestBuilder.cs
index bc6949b6fde..5051ebab729 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/TitleRequestBuilder.cs
index 90d3ada527b..16d2f7a3750 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/CategoryAxis/Title/TitleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Font/FontRequestBuilder.cs
index ca1d76e4ad5..87acd64ff0c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/FormatRequestBuilder.cs
index e2273342278..3f752b32164 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/Clear/ClearRequestBuilder.cs
index 8b6050839b5..7916c1c1625 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/LineRequestBuilder.cs
index 58441f6bd57..ea7ab1192ca 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/FormatRequestBuilder.cs
index fdbd6aee616..88ad53bb32c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index 6eef1e33381..3d287c5a5ab 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
index fada83264f9..11f4f874b47 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
index 9a3bad06934..b0d4f3d93ed 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/FormatRequestBuilder.cs
index 8a1fea05fad..25bcf4fb3ae 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index 2566a0843e1..60668c42683 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
index 55fb4c86556..a55ff5a722e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
index 40a4aa4fc05..4e62b018d2c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/SeriesAxisRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/SeriesAxisRequestBuilder.cs
index 819c5d146eb..3bc21dd2c57 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/SeriesAxisRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/SeriesAxisRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/Font/FontRequestBuilder.cs
index 111a79c8991..8ffef1a5bbe 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/FormatRequestBuilder.cs
index 500f5049856..c31324f79b3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/TitleRequestBuilder.cs
index 070e2d88ffa..af76148f555 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/SeriesAxis/Title/TitleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Font/FontRequestBuilder.cs
index caa582fb12e..29580ac37b1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/FormatRequestBuilder.cs
index f906309c24e..65714173133 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/Clear/ClearRequestBuilder.cs
index 796239c62a7..023b439f0c1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/LineRequestBuilder.cs
index 2d64d8e3ee4..31073f1f281 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/FormatRequestBuilder.cs
index c79922911fa..c6e8126c534 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index acd2fd4dfa3..cea3dc20059 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
index a942d67e39d..182dde2bcaf 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
index 98ff2ae32bf..378cc80dde8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MajorGridlines/MajorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/FormatRequestBuilder.cs
index c8f47e3801b..ee8ff43eb86 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
index b26e97e8f1f..c1071d985ba 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
index db9fd35dccb..fe87ad641d5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
index d8043b4c10b..f0ec237e0b6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/MinorGridlines/MinorGridlinesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/Font/FontRequestBuilder.cs
index e6eaedacdc4..2d5c5172514 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/FormatRequestBuilder.cs
index 9fbf6dae16f..56359ce92e3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/TitleRequestBuilder.cs
index 1e4f6c601d5..787cac40b9c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/Title/TitleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/ValueAxisRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/ValueAxisRequestBuilder.cs
index cb833818680..87c45d2886c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/ValueAxisRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Axes/ValueAxis/ValueAxisRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/DataLabelsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/DataLabelsRequestBuilder.cs
index b9b5353ae4a..761912caa24 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/DataLabelsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/DataLabelsRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/Clear/ClearRequestBuilder.cs
index 4d4ca785f5a..8101ae25786 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/FillRequestBuilder.cs
index 526f6fcb3fd..96ad175f735 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index 18c7412066a..58cb5c39af1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Font/FontRequestBuilder.cs
index bf387700e8b..0fdfcfb9e77 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/FormatRequestBuilder.cs
index b068b4506b3..0fb62b9f601 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/DataLabels/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/Clear/ClearRequestBuilder.cs
index 9c7642904b3..e728d0fa74c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/FillRequestBuilder.cs
index 5483449178e..bf3f232a8f6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index 45ef8ee21e5..8736a0d664f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Font/FontRequestBuilder.cs
index 1e31a643713..6e86e10d85f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/FormatRequestBuilder.cs
index 43959e0151c..a41afa99360 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/Clear/ClearRequestBuilder.cs
index cba7986cb9f..c85621f6ed3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/FillRequestBuilder.cs
index f1a3ff6ce05..12d607e4bda 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index 9af0739d301..755f82de9df 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Font/FontRequestBuilder.cs
index 3bb974e0a35..224654c2a99 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/FormatRequestBuilder.cs
index 8c601b035e3..4fe9dd8faff 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/LegendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/LegendRequestBuilder.cs
index 6e064efc211..6a376b799c4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/LegendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Legend/LegendRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/Clear/ClearRequestBuilder.cs
index aa8cddc5bd1..18d872f4e1f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/FillRequestBuilder.cs
index 5dab30a6548..edd4303494d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index a4a69ceb679..4881ddfd194 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/FormatRequestBuilder.cs
index 38d03dce87c..0aeb6ffc439 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/Clear/ClearRequestBuilder.cs
index 940b60ee071..e0975efff4b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/LineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/LineRequestBuilder.cs
index 94c8f11705e..14fe25cf22a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/LineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Format/Line/LineRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/Clear/ClearRequestBuilder.cs
index 3b1ee0eadcb..d896942596a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/FillRequestBuilder.cs
index 831293d9d9b..2901f2bafbf 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index 93b49d1238f..e0003bc90e4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/FormatRequestBuilder.cs
index c6b39d21dec..81fa403caf5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/Format/FormatRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/WorkbookChartPointItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/WorkbookChartPointItemRequestBuilder.cs
index 8e6393f846c..706a47f0f27 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/WorkbookChartPointItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/Item/WorkbookChartPointItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/ItemAtWithIndex/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/ItemAtWithIndex/Format/FormatRequestBuilder.cs
index de192b069b8..48f9394d5e4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/ItemAtWithIndex/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/Points/ItemAtWithIndex/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/WorkbookChartSeriesItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/WorkbookChartSeriesItemRequestBuilder.cs
index 5b14b1cfe76..53290214f93 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/WorkbookChartSeriesItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/Item/WorkbookChartSeriesItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/ItemAtWithIndex/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/ItemAtWithIndex/Format/FormatRequestBuilder.cs
index 38da9b17554..ea36ba70a3b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/ItemAtWithIndex/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Series/ItemAtWithIndex/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetData/SetDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetData/SetDataRequestBuilder.cs
index a1450e650a9..dca4fcb35f4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetData/SetDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetData/SetDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetPosition/SetPositionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetPosition/SetPositionRequestBuilder.cs
index fcbd3f7858c..7b58dec9813 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetPosition/SetPositionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/SetPosition/SetPositionRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/Clear/ClearRequestBuilder.cs
index 399b1a1e4f9..5626f1f6352 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/FillRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/FillRequestBuilder.cs
index c9215bfdd3a..612bca5d030 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/FillRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/FillRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
index aafa61aa71d..6873a4cdcc9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Fill/SetSolidColor/SetSolidColorRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Font/FontRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Font/FontRequestBuilder.cs
index e72b3f32487..c9c95ff4281 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Font/FontRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/Font/FontRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/FormatRequestBuilder.cs
index c15b60c0d2e..1e5a1160773 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/Format/FormatRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/TitleRequestBuilder.cs
index 4a65bd6be45..bd16a6206ee 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/Title/TitleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/WorkbookChartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/WorkbookChartItemRequestBuilder.cs
index fc925944bda..458a2237239 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/WorkbookChartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/Item/WorkbookChartItemRequestBuilder.cs
@@ -219,6 +219,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Axes/AxesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Axes/AxesRequestBuilder.cs
index 7872891a69b..5c447f22256 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Axes/AxesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Axes/AxesRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/DataLabels/DataLabelsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/DataLabels/DataLabelsRequestBuilder.cs
index 6fd27a12b5c..d61557ba9ff 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/DataLabels/DataLabelsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/DataLabels/DataLabelsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Format/FormatRequestBuilder.cs
index cd28ea83bc1..4fc0272f486 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Legend/LegendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Legend/LegendRequestBuilder.cs
index e0a7138c3d9..fe5d5758f84 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Legend/LegendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Legend/LegendRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetData/SetDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetData/SetDataRequestBuilder.cs
index d9636924213..0baa06f7c90 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetData/SetDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetData/SetDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetPosition/SetPositionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetPosition/SetPositionRequestBuilder.cs
index 30ac9bf5c3e..ce48f715a38 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetPosition/SetPositionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/SetPosition/SetPositionRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Title/TitleRequestBuilder.cs
index 2889a0fd6a5..ccba54dee35 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemAtWithIndex/Title/TitleRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Axes/AxesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Axes/AxesRequestBuilder.cs
index b095e343972..8a3fd2d9155 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Axes/AxesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Axes/AxesRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/DataLabels/DataLabelsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/DataLabels/DataLabelsRequestBuilder.cs
index eac9bd828e8..821a60e936c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/DataLabels/DataLabelsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/DataLabels/DataLabelsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Format/FormatRequestBuilder.cs
index 7cf30c5c8c6..d3d5f6e0861 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Legend/LegendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Legend/LegendRequestBuilder.cs
index 7da2186c3be..1f1d9b01508 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Legend/LegendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Legend/LegendRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetData/SetDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetData/SetDataRequestBuilder.cs
index aa492d9642a..6bba4486206 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetData/SetDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetData/SetDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetPosition/SetPositionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetPosition/SetPositionRequestBuilder.cs
index aee252bef4d..f12dbee0d2b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetPosition/SetPositionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/SetPosition/SetPositionRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Title/TitleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Title/TitleRequestBuilder.cs
index 3b4a5eec9eb..38ee5338c19 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Title/TitleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Charts/ItemWithName/Title/TitleRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index 0a33f1a5b83..b45f918976d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index 2fd21fb3160..c40e57c7bc2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index f29138ee6e4..4b3867756b0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index e05385c606c..525a85d7e01 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index 27e6088f8e7..2c7bce0fcab 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 0ed1760ef6d..f410b0ec8a5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/WorkbookNamedItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
index 56857c0db97..0ab81eac986 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Names/Item/WorkbookNamedItemItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/Refresh/RefreshRequestBuilder.cs
index f5497c49a33..9eb11b0cd04 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/Refresh/RefreshRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/WorkbookPivotTableItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/WorkbookPivotTableItemRequestBuilder.cs
index 1d9f18b9ac4..9538307783e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/WorkbookPivotTableItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/Item/WorkbookPivotTableItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/RefreshAll/RefreshAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/RefreshAll/RefreshAllRequestBuilder.cs
index 5093d323f1e..e7e878fb374 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/RefreshAll/RefreshAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/PivotTables/RefreshAll/RefreshAllRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Protect/ProtectRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Protect/ProtectRequestBuilder.cs
index f70b78c30bd..79a5f4bd69e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Protect/ProtectRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Protect/ProtectRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/ProtectionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/ProtectionRequestBuilder.cs
index 6ed04cd94dc..345b3cc607c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/ProtectionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/ProtectionRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Unprotect/UnprotectRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Unprotect/UnprotectRequestBuilder.cs
index 535062e396f..1b819d28506 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Unprotect/UnprotectRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Protection/Unprotect/UnprotectRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index 480195e907b..5de8ab88990 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index 76258d559c4..437e572e9af 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index ba36b6fc461..5d51edcdcf0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index ed3c915adb1..6d9ce2c72b7 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index 71d83c6f759..0550334562d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 79168373171..49c09f4de3d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Clear/ClearRequestBuilder.cs
index 5fbd1359e6a..7eb1caff91c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Delete/DeleteRequestBuilder.cs
index 441f7933bcc..e54cfd00fe8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Format/FormatRequestBuilder.cs
index ffc82a1c571..8bbebada53b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Merge/MergeRequestBuilder.cs
index e2d97e98417..f6e21ffe4ea 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Sort/SortRequestBuilder.cs
index aed3dc44d3a..52233e5cdc8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Unmerge/UnmergeRequestBuilder.cs
index 8e7782e8f59..da3b5bbf24a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/RangeWithAddress/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Add/AddRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Add/AddRequestBuilder.cs
index 60d32fbdd66..c0061f3d851 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Add/AddRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Add/AddRequestBuilder.cs
@@ -35,8 +35,8 @@ public AddRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base(r
         {
         }
         /// <summary>
-        /// Use this API to create a new Table.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/workbook-post-tables?view=graph-rest-1.0" />
+        /// Create a new table. The range source address determines the worksheet under which the table will be added. If the table can&apos;t be added (for example, because the address is invalid, or the table would overlap with another table), an error is generated.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/tablecollection-add?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.WorkbookTable"/></returns>
         /// <param name="body">The request body</param>
@@ -61,7 +61,7 @@ public AddRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base(r
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.WorkbookTable>(requestInfo, global::Microsoft.Graph.Models.WorkbookTable.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Use this API to create a new Table.
+        /// Create a new table. The range source address determines the worksheet under which the table will be added. If the table can&apos;t be added (for example, because the address is invalid, or the table would overlap with another table), an error is generated.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
index f130a594636..3c37c8d380b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ClearFilters/ClearFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
index 96e21509a65..635c25a8af6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
index 24859505445..cbdd5ee585a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
index b47d52637c9..648bfa4d411 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
index cb44e84ced2..aecca3c1701 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
index 0c6b204e00d..c5345f17ba2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
index 21a5e797885..2b20b0d85cd 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
index 61b886ed839..fc92f5ab94a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Apply/ApplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
index 43d1eac4a84..c077de65887 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomItemsFilter/ApplyBottomItemsFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
index 7ab9acdc96d..df55a4d3a18 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyBottomPercentFilter/ApplyBottomPercentFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
index 5ff99ec21ec..2be8114b16f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCellColorFilter/ApplyCellColorFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
index 8231464a9ad..330db0e2681 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyCustomFilter/ApplyCustomFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
index 2c247ea20ce..f670ae9ba90 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyDynamicFilter/ApplyDynamicFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
index 5041a3a39a2..facc15dded8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyFontColorFilter/ApplyFontColorFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
index f8c84026c33..bc4e72c7215 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyIconFilter/ApplyIconFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
index eefa687c785..8e3eb6fd3dc 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopItemsFilter/ApplyTopItemsFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
index 67cfc0e99c9..5bdc81dae08 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyTopPercentFilter/ApplyTopPercentFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
index 53e42c272f3..807740a5d73 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/ApplyValuesFilter/ApplyValuesFilterRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
index 452198eedb6..3a88fb6a9b6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
index 259b96c7d94..c5b468e3010 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/Filter/FilterRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
index a2437723fb8..27f9e3b9198 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
index 756fe1e22aa..c866e395023 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
index f9e9418e22e..89c12d72de7 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
index 648e4e2ef52..e944c862f06 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
index 8cf40531090..f51eec146d1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
index d3b114e9213..17db34bfac9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index ba099ebe3dd..e33c3c37e96 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index e0ea6193177..652c9e16819 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index 69a5fa4e860..e6a8f05ea01 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index 7323772f083..bf863ce5b9a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index 2af1e42e693..ddb53242cfe 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 5436d978a21..f93cc3f739c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
index 5d154c9c88a..fbb7c594e6c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
index 304c4e6870d..9cb963b4e4c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
index bca5c3dfaef..02a45b68b39 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
index d984952bccc..3a264380a7a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
index 4f2bfa55cd1..e38a82671b3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
index 7669bf17055..adaeaffbf4d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
index 5d92c4a7105..ce62bd3ad1d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/Item/WorkbookTableColumnItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
index 7b4d90d6dcf..102af5df623 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Columns/ItemAtWithIndex/Filter/FilterRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
index 1509b9510d1..b44301deb1c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
index fa6af940873..b8d4a98d7f5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
index 950862f6125..576c79ffdaa 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
index 9a6872f7a08..35938910b87 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
index f32e852f52c..a4d74ac118e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
index de9ee996995..67e44846492 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/DataBodyRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
index 738fa437f07..04276d754a9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
index ec0237eed87..bbb67e4f4f1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
index e84ac62062c..c87665f8c20 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
index 9419c3272db..258f51631a2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
index 8da5db50ee7..1e767127850 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
index d1fcd5f8ed6..039d64b7d79 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/HeaderRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index bc2d9ce80b0..329fbe1094d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index f55a1b344cf..b693f784eb2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index 4706c0c36c9..00cc157a273 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index 2c15bf229d7..911f2e72660 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index d382a8fd286..ddba671a682 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index 6f58b93b9a8..d091ab3e41b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
index 0259a86292a..317e54b6301 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
index f8bd01806c9..582dd0ca448 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
index db68bd0a140..943a678de40 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
index 6fa7ad24eed..2c3d18c672a 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
index 5e4ea5e1a09..99be61a1a0b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
index a55bc2cf1a8..4e0c29cdc14 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
index cf332d1f358..4f81f86d5ee 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/RangeNamespace/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
index ed9741b7d45..59c37a9cfa2 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Rows/Item/WorkbookTableRowItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
index da6ea018aab..432c22fde03 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Apply/ApplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
index 86c739087e5..174c63ceec1 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Clear/ClearRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
index a097095d7a1..fa80b09658d 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/Reapply/ReapplyRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/SortRequestBuilder.cs
index 500f1e2c82f..6d35d65f366 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/Sort/SortRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
index b5f7e65f8d9..60fa66bbebe 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
index 9d7560909ae..6eb3c669af8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
index 58ce1381bab..d88ba55adbb 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
index f3c62108aa7..929c61d1c18 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
index 102efa354de..46614742965 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
index 8335741a6f3..eb594d394d9 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/TotalRowRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/WorkbookTableItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/WorkbookTableItemRequestBuilder.cs
index c7718491009..8f8d73bd364 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/WorkbookTableItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/Item/WorkbookTableItemRequestBuilder.cs
@@ -186,6 +186,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
index b4da79d37fa..ad21d99f304 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ClearFilters/ClearFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
index 9303576f69b..5dc08873bba 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/ReapplyFilters/ReapplyFiltersRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
index 4ae3c156c8f..ef4e4a6bbc5 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/Tables/ItemAtWithIndex/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Clear/ClearRequestBuilder.cs
index 4cc7274a907..254729a930e 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Delete/DeleteRequestBuilder.cs
index ce226cb847a..a90a4b9c081 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Format/FormatRequestBuilder.cs
index 7da99eea581..e7c06390eb3 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Merge/MergeRequestBuilder.cs
index a21f50dd43a..1be5005bc0b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Sort/SortRequestBuilder.cs
index 0febafa2847..30968fed956 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Unmerge/UnmergeRequestBuilder.cs
index 27eb1ec10f8..0397ff27a19 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRange/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Clear/ClearRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Clear/ClearRequestBuilder.cs
index 2065277ed7a..1a70db2e309 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Clear/ClearRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Clear/ClearRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Delete/DeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Delete/DeleteRequestBuilder.cs
index d5badb76687..06b5c556caf 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Delete/DeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Delete/DeleteRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Format/FormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Format/FormatRequestBuilder.cs
index 9ad5cdaac7d..4cbf7ba6915 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Format/FormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Format/FormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Merge/MergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Merge/MergeRequestBuilder.cs
index 7fccc4ad366..b085e2f6535 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Merge/MergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Merge/MergeRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Sort/SortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Sort/SortRequestBuilder.cs
index d9d042e75f7..faa3f116b3f 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Sort/SortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Sort/SortRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Unmerge/UnmergeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Unmerge/UnmergeRequestBuilder.cs
index e1bc0af7713..b93528c9fd6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Unmerge/UnmergeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/UsedRangeWithValuesOnly/Unmerge/UnmergeRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/WorkbookWorksheetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/WorkbookWorksheetItemRequestBuilder.cs
index 9d5fbab90b5..8512188a0b0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/WorkbookWorksheetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Items/Item/Workbook/Worksheets/Item/WorkbookWorksheetItemRequestBuilder.cs
@@ -187,6 +187,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 1d70d76fbd6..169264e7263 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index 23180fca965..64185f43830 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index b96a0bc5214..dff7443f7e4 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 745ac7552c7..20a3f15d756 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index f2ffe974f04..5125cfe938b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index b7b1a395e24..dd6703e2931 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Drive
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index 0f1463e29e9..6594d5e4320 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index 26f03669a54..f9ab423ab64 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
index b5046b6fbf2..975bc22f458 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
index 530ef59be6b..cd6a7d71b42 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
index 9a94af0e689..26806f54759 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
index 72744b5798b..349c7ccbdb8 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
index 374941bccf3..42ce1d1208c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/ListItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/ListItemItemRequestBuilder.cs
index 8255db7dd2c..bcb94eeffc6 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/ListItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/ListItemItemRequestBuilder.cs
@@ -189,6 +189,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
index 3b361bd94ee..d5afec249f0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
index 1550fd4749d..552fcf4ec9b 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
index a5f1abba695..eccd53b36fe 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/ListRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/ListRequestBuilder.cs
index c96fd772486..c7fb7e329de 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/ListRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/ListRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index 6d875bad3d8..eda040683d0 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index 52f4dc41d4a..df7ec32f255 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index d0af7f63ab8..822ecf90c31 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Root/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Root/Content/ContentRequestBuilder.cs
index a0232425e50..c6a3e3caa9c 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Root/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Root/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Drives/Item/Special/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Drives/Item/Special/Item/Content/ContentRequestBuilder.cs
index 6b284985d91..df4393fecfa 100644
--- a/src/Microsoft.Graph/Generated/Drives/Item/Special/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Drives/Item/Special/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentCategories/Item/EducationCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentCategories/Item/EducationCategoryItemRequestBuilder.cs
index 827ee8077b5..2ffa5af6283 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentCategories/Item/EducationCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentCategories/Item/EducationCategoryItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentDefaults/AssignmentDefaultsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentDefaults/AssignmentDefaultsRequestBuilder.cs
index 20abb836bca..f0845f3c62c 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentDefaults/AssignmentDefaultsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentDefaults/AssignmentDefaultsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/AssignmentSettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/AssignmentSettingsRequestBuilder.cs
index e858e1c2dad..25c95bb4506 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/AssignmentSettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/AssignmentSettingsRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/GradingCategories/Item/EducationGradingCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/GradingCategories/Item/EducationGradingCategoryItemRequestBuilder.cs
index 16a7d043cb6..ce5a3885f35 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/GradingCategories/Item/EducationGradingCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/AssignmentSettings/GradingCategories/Item/EducationGradingCategoryItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
index edf520ad775..7b6f6890fde 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
index 332f1050048..f0241f7a565 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/classes/{educationClass%2Did}/assignments/{educationAssignment%2Did}/categories/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/classes/{educationClass%2Did}/assignments/{educationAssignment%2Did}/categories/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
index 2912e0a06c0..f60dafbac46 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
@@ -183,6 +183,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
index dfce1308be9..195041b620f 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
index 5432cd82ba6..45c4178551b 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
index 1f55f344a31..daa5632b5e4 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
index f9797ae6906..67414ec766d 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
@@ -175,6 +175,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
index 20ae6d5d6eb..4e8fab6498a 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index 0243a912b1c..7cf6cd57ddf 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index eee5d499471..223b86985f5 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/EducationClassItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/EducationClassItemRequestBuilder.cs
index 5abdacb2882..ee878325089 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/EducationClassItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/EducationClassItemRequestBuilder.cs
@@ -183,6 +183,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Item/Ref/RefRequestBuilder.cs
index 78ce6cb04ca..977de2f99a6 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Ref/RefRequestBuilder.cs
index 4c42d338efa..3314b481b10 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Members/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/classes/{educationClass%2Did}/members/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/classes/{educationClass%2Did}/members/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/EducationModuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/EducationModuleItemRequestBuilder.cs
index 9303c9dc895..8a1ef979862 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/EducationModuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/EducationModuleItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/Resources/Item/EducationModuleResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/Resources/Item/EducationModuleResourceItemRequestBuilder.cs
index b247fd343da..7bcac338330 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/Resources/Item/EducationModuleResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Modules/Item/Resources/Item/EducationModuleResourceItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Item/Ref/RefRequestBuilder.cs
index 6ea1e149f06..0bb712cc4d2 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Ref/RefRequestBuilder.cs
index a460dcce631..dafa1c8fd0c 100644
--- a/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Classes/Item/Teachers/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/classes/{educationClass%2Did}/teachers/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/classes/{educationClass%2Did}/teachers/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
index 76e007cb488..a97a5aa536b 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
index 764773e4aaa..6fbca493c15 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/me/assignments/{educationAssignment%2Did}/categories/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/me/assignments/{educationAssignment%2Did}/categories/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/EducationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
index e9fb0cefab2..69b99a7e1de 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
index 633f187c11a..4c88c279b8c 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
index fac6903667f..9a9d45e3eaf 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/RubricRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/RubricRequestBuilder.cs
index d9095cba8b8..a8c56895f86 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/RubricRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Rubric/RubricRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
index 4b6f7df762f..a7b0c8ceb56 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
@@ -174,6 +174,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
index 2d2a7d5c105..e4897faa67a 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index 8ae11673f55..3208b45b116 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index d87ba303eda..fad0399bbdb 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/MeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/MeRequestBuilder.cs
index 8a84f063277..5a88de9f7df 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/MeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/MeRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Me/Rubrics/Item/EducationRubricItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Me/Rubrics/Item/EducationRubricItemRequestBuilder.cs
index 48cf0f448dc..7d9ab991a2f 100644
--- a/src/Microsoft.Graph/Generated/Education/Me/Rubrics/Item/EducationRubricItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Me/Rubrics/Item/EducationRubricItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Item/Ref/RefRequestBuilder.cs
index 5db912a5ef7..74b890ebbec 100644
--- a/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Ref/RefRequestBuilder.cs
index e11d31b056a..c6b351ccb6f 100644
--- a/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Schools/Item/Classes/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/schools/{educationSchool%2Did}/classes/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/schools/{educationSchool%2Did}/classes/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Schools/Item/EducationSchoolItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Schools/Item/EducationSchoolItemRequestBuilder.cs
index 0cb071e7501..ddaab8736da 100644
--- a/src/Microsoft.Graph/Generated/Education/Schools/Item/EducationSchoolItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Schools/Item/EducationSchoolItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Item/Ref/RefRequestBuilder.cs
index a4af193de9f..d37c7d1b65a 100644
--- a/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Ref/RefRequestBuilder.cs
index 433d6b764b3..a84e37856f2 100644
--- a/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Schools/Item/Users/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/schools/{educationSchool%2Did}/users/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/schools/{educationSchool%2Did}/users/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
index a08fa906e88..35511adcac1 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Item/Ref/RefRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
index bfbc40f5de3..71d10bf9b59 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Categories/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/education/users/{educationUser%2Did}/assignments/{educationAssignment%2Did}/categories/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/education/users/{educationUser%2Did}/assignments/{educationAssignment%2Did}/categories/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
index 2404b8eeb28..74307011ec1 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/EducationAssignmentItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
index 9129bd44c94..eba8e901f05 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Resources/Item/EducationAssignmentResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
index 77599bddacc..6799ead1177 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
index 46f5d431760..c2532d6876e 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Rubric/RubricRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
index 8dce046e54e..7a16deea618 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/EducationSubmissionItemRequestBuilder.cs
@@ -174,6 +174,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
index 8ea7fa472ee..1c3564dfc86 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Outcomes/Item/EducationOutcomeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index c90ba418b59..cd45c95262d 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/Resources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
index b18671e3996..01a139533f7 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Assignments/Item/Submissions/Item/SubmittedResources/Item/EducationSubmissionResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/EducationUserItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/EducationUserItemRequestBuilder.cs
index 0ec272d171b..63a36271162 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/EducationUserItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/EducationUserItemRequestBuilder.cs
@@ -159,6 +159,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Education/Users/Item/Rubrics/Item/EducationRubricItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Education/Users/Item/Rubrics/Item/EducationRubricItemRequestBuilder.cs
index 2aab1d699b2..9ff8b13cffa 100644
--- a/src/Microsoft.Graph/Generated/Education/Users/Item/Rubrics/Item/EducationRubricItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Education/Users/Item/Rubrics/Item/EducationRubricItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/Communities/Item/CommunityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/Communities/Item/CommunityItemRequestBuilder.cs
index be9329888db..82c79890a40 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/Communities/Item/CommunityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/Communities/Item/CommunityItemRequestBuilder.cs
@@ -146,6 +146,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/EngagementAsyncOperations/Item/EngagementAsyncOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/EngagementAsyncOperations/Item/EngagementAsyncOperationItemRequestBuilder.cs
index 41417a26ea2..d3af7262c26 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/EngagementAsyncOperations/Item/EngagementAsyncOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/EngagementAsyncOperations/Item/EngagementAsyncOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
index f44c6ea5b4a..37a503d205b 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
index 09504502021..64144c0b191 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContents/Item/LearningContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContents/Item/LearningContentItemRequestBuilder.cs
index 147c2967a67..6dd0a97b905 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContents/Item/LearningContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContents/Item/LearningContentItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContentsWithExternalId/LearningContentsWithExternalIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContentsWithExternalId/LearningContentsWithExternalIdRequestBuilder.cs
index 5639d3f1bae..90fe67b188f 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContentsWithExternalId/LearningContentsWithExternalIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningContentsWithExternalId/LearningContentsWithExternalIdRequestBuilder.cs
@@ -124,6 +124,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
index b8bd61603cb..cca75235b7a 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivities/Item/LearningCourseActivityItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
index 0ad9d6a29f0..2bb98164331 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningCourseActivitiesWithExternalcourseActivityId/LearningCourseActivitiesWithExternalcourseActivityIdRequestBuilder.cs
@@ -124,6 +124,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningProviderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningProviderItemRequestBuilder.cs
index 3317655a661..36d0e5b457f 100644
--- a/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningProviderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/EmployeeExperience/LearningProviders/Item/LearningProviderItemRequestBuilder.cs
@@ -157,6 +157,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/ExternalConnectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/ExternalConnectionItemRequestBuilder.cs
index 62603e37a93..3c7b23b9a57 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/ExternalConnectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/ExternalConnectionItemRequestBuilder.cs
@@ -147,6 +147,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
index 1857327970b..45edb8b7e54 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/ExternalGroupItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
index 28a777b89ed..5f5238835fa 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/Groups/Item/Members/Item/IdentityItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
index 256b15020b3..d73ae15f87d 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/Activities/Item/ExternalActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
index d1d7b874d8f..0d65f45b3fe 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/Items/Item/ExternalItemItemRequestBuilder.cs
@@ -94,8 +94,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ExternalConnectors.ExternalItem>(requestInfo, global::Microsoft.Graph.Models.ExternalConnectors.ExternalItem.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new externalItem object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/externalconnectors-externalconnection-put-items?view=graph-rest-1.0" />
+        /// Update the properties of an externalItem object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/externalconnectors-externalitem-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ExternalConnectors.ExternalItem"/></returns>
         /// <param name="body">The request body</param>
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -157,7 +158,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new externalItem object.
+        /// Update the properties of an externalItem object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/External/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/External/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
index 9b0fc84e4e2..46d25f45b29 100644
--- a/src/Microsoft.Graph/Generated/External/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/External/Connections/Item/Operations/Item/ConnectionOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/FilterOperators/Item/FilterOperatorSchemaItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/FilterOperators/Item/FilterOperatorSchemaItemRequestBuilder.cs
index 1c466b70f56..dbb2aaa137d 100644
--- a/src/Microsoft.Graph/Generated/FilterOperators/Item/FilterOperatorSchemaItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/FilterOperators/Item/FilterOperatorSchemaItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Functions/Item/AttributeMappingFunctionSchemaItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Functions/Item/AttributeMappingFunctionSchemaItemRequestBuilder.cs
index 7482ec71e0c..a29cc07a278 100644
--- a/src/Microsoft.Graph/Generated/Functions/Item/AttributeMappingFunctionSchemaItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Functions/Item/AttributeMappingFunctionSchemaItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
index f335003a5d0..7323b3394ab 100644
--- a/src/Microsoft.Graph/Generated/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/GroupSettingTemplates/Item/GroupSettingTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/GroupSettingTemplates/Item/GroupSettingTemplateItemRequestBuilder.cs
index 2c2db060e56..5780d6ed796 100644
--- a/src/Microsoft.Graph/Generated/GroupSettingTemplates/Item/GroupSettingTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/GroupSettingTemplates/Item/GroupSettingTemplateItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/GroupSettingTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/GroupSettingTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 8c86cd548eb..f6ad957257f 100644
--- a/src/Microsoft.Graph/Generated/GroupSettingTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/GroupSettingTemplates/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/GroupSettings/Item/GroupSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/GroupSettings/Item/GroupSettingItemRequestBuilder.cs
index a372c73f154..5e25c7e6c0b 100644
--- a/src/Microsoft.Graph/Generated/GroupSettings/Item/GroupSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/GroupSettings/Item/GroupSettingItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/GroupsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/GroupsRequestBuilder.cs
index 01d4665b01e..1b72f910f6b 100644
--- a/src/Microsoft.Graph/Generated/Groups/GroupsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/GroupsRequestBuilder.cs
@@ -102,8 +102,8 @@ public GroupsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : bas
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.GroupCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.GroupCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a new group as specified in the request body. You can create the following types of groups: This operation returns by default only a subset of the properties for each group. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation and specify the properties in a $select OData query option.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/group-post-groups?view=graph-rest-1.0" />
+        /// Create a new group object if it doesn&apos;t exist, or update the properties of an existing group object.You can create or update the following types of group: By default, this operation returns only a subset of the properties for each group. For a list of properties that are returned by default, see the Properties section of the group resource. To get properties that are not returned by default, do a GET operation and specify the properties in a $select OData query option.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/group-upsert?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Group"/></returns>
         /// <param name="body">The request body</param>
@@ -147,7 +147,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a new group as specified in the request body. You can create the following types of groups: This operation returns by default only a subset of the properties for each group. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation and specify the properties in a $select OData query option.
+        /// Create a new group object if it doesn&apos;t exist, or update the properties of an existing group object.You can create or update the following types of group: By default, this operation returns only a subset of the properties for each group. For a list of properties that are returned by default, see the Properties section of the group resource. To get properties that are not returned by default, do a GET operation and specify the properties in a $select OData query option.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Item/Ref/RefRequestBuilder.cs
index b07160dba70..2811f2cef7c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Ref/RefRequestBuilder.cs
index 4eef08fe1e6..cf33ff6ecba 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/AcceptedSenders/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/groups/{group%2Did}/acceptedSenders/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/groups/{group%2Did}/acceptedSenders/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/AddFavorite/AddFavoriteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/AddFavorite/AddFavoriteRequestBuilder.cs
index ea27af3d921..b485692bb25 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/AddFavorite/AddFavoriteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/AddFavorite/AddFavoriteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
index 97829915f53..65c70427169 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index e6c5590c461..e20a96a2cf0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 0c64bcae5be..0d2b7f21cda 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 4e63bb82916..4e20bf5a9ef 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index f62f55a8035..99c95ecfbdc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 51b5580cd02..d6d709731d1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index c87b00c4c9a..ab89d8426bc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index e11d3243aaa..5000e96d753 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 77d703436e8..23987dc926f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 9db057b6df9..a276d66b64c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 0d6fc8ecb4e..d3f31eb89bd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 1445aeec88c..6f365eb11e2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 27751851776..4c20d2f38ae 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 8f469a22b66..05b29c5f70d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 7b142fcdc73..668f77f7deb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index ca8a9be5c4c..af00f03ed5e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index a8862ad8abc..00851589506 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index eea318c18a3..24f9379eafa 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index b07e96f2eab..0cb53b1b107 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 8575c47ec5e..e4ab13e0d9c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 5d5ef24d436..cff6926398f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index c88cfde37c3..7e1aa566748 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 93851e01c44..b099f0856b3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 17a9d63bbc3..aabee49b10b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8bfed82cb63..b008e4eafc0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 73242abbf94..798280f2f85 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index bea61529174..b4c183ffcc8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 71db3be0eae..cf4ea7a46cc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 77ae8946038..04320002c93 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 5f4f9743fde..e992c6c42dd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 5282eeec113..7474d4ac60a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index de8659481f8..a762d99f96d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 4228867a7f3..5c4b94b2b48 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 345a1e3ffbe..a7c0ec3c099 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 5820b84d37b..af4caa5d28d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 64752039ac8..53c186b9239 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 0bb32e012d5..9e14cc89f4d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 45a11ccb036..bebdaf627b9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 6221c4a8343..82c9b957989 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 4a68e16b4e6..7c83f2936fe 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index e264dcafb79..8be08e2a3a4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index db6eb86be2d..34ba587794e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f41f0c0bb7f..ef139dcab30 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e74b6dd9d30..fe23a8a409f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7b9cdfb04d8..5636682613c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 418a6635102..9c584f20e77 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 1bebb76730b..42841c96db5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 32be6e0a04e..319dfb4b5ca 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 8d4d68cfd23..9bf9061e7a2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ece4c4ebf7b..22f14dde314 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 030892f8688..504ddf47d9d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 64a551787f0..0de3ad0702f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
index 1ced465b172..c808f90cde9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index bf74b477588..664014a5d93 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
index fc0bb538825..bdd96f3c2d2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
index dc251a251a1..da4858d5dd1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 4e3fa925607..2e9a71c0e10 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
index 6995975b120..ad8b09c6f77 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
@@ -199,6 +199,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 363c22f5e32..9dd3ffde3a7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index af0c5a505e0..0a545ba265f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 5724ef5b701..28c53cab4d1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 3cfbea5a11b..1f7d2681295 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 34cddfa55da..f6bb90c8f2f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 803fa9fbae7..cf99ae6d2aa 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 37c4cbd7405..1d65df56271 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index b7e591fcf6a..681409c9a44 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 312a6985f1a..a8df1cb710f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index c8ec703490e..05bb36a5eb2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 41ee96666a6..15b695da951 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 08f604fcc89..1c255462685 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 056e7e4608b..8b3dc4c933a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index b0a4985ccc6..48de1da48dc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 666b69841d8..5707992dc5c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d0b7526406f..377a099eaec 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index d7938028dc9..c4f442da2af 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b733992d4d5..6ba49569202 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 6e9049d9963..2037f832568 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index afaa073a4d1..71b899d5d2e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 33b56623278..d288c0baf2c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
index d9fc2945c82..160af8fdee0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index c2f67d60971..1756ab7831d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 94fd06623db..f8c299c5fc4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index a9b97e75e4c..b1fbd98bf29 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 9fa37db5e6d..5cca5da437f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index fb5f4ee8654..d50ac63ed3d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 19b219b5766..8c652905be0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 5e1f8e17e7a..d567df94671 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index e1cff576259..a6b07c610a4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index c0c4d8685fd..024af911b6e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 6f49a768ed3..57d2e7073f3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 0af42558157..76206c5088e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 3ab63bfed26..c1aa5d05807 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b8082697893..52d6dbff3ea 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 03b545b76ce..ab5c0b708de 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 806b19c5116..4060f4ba39d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 01e075ef354..f7261ee9a84 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index d13e3fce6b0..cacf488905a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8376527154e..b4cea7be216 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 0cc13f02fe0..05ea618de5e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index ecbd910a0f8..71ea575957c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 135d17f25f5..fe3012fab3e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 7dbc6d39a0a..f22e7cfd30a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 7c176f491f8..c8e80df9b01 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
index c75dfd4218b..c5664c6cd07 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 29b6acd2f9d..8617ee55b23 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a3b3a8c90b7..33e33006469 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index d9715262ba5..3c56384ff56 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 1ca640c185d..f6c1a75b677 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 1b022ed51b3..8af773eabd1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 692f346bf57..a34ee8ca5d8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a83ac4a50d7..791d4dc1e50 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index eebb8c50331..2ccfe239167 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index cd0db7cba90..92ecf10a8d2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 746a2b1823b..1bfdb87bd68 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 62802089fe9..843c20f59d6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 91431f678c2..cbd65dee17a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index df8a0c8647d..a479970c4c4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 63a1a62a89b..4a843ffc5c4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 8427e19cf58..d05749b09e1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 241552927af..1a857030786 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 695d2316d0e..fdd977eff61 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 69ed51545a0..cf322d8f1e2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 8179c32c88f..59668672ead 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e53f1b43ace..23953da7c87 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 21d4cd5b410..975f594e92f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e397a17c419..f10f454e2f8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 97137300c1f..8ad66f152a1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 37b8f8244b5..7d5b1d205f8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index f5e350d2a2f..da4bf1baabe 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index cb49b1070ac..a113eed6f77 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 08cf78c6a52..8431b67780f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index eed0798510d..4a80530d2e4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 15abb861f5c..84b3265dc0c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index f2e8576efed..bf7c2990cad 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index ab6d66b66e3..c7d8c587cb6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 64d6e73a88c..8a3558040d7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index b9ef5feac9a..033bd1eaeb6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 68368c6ea2f..e7cf87f27ad 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 4beef84828c..b17e48bb36b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 534ef5e79d1..a5533ecb102 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 8cf6c7b1e35..78765cb3566 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 8a076a3635b..c648ab84ed7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 0ba38f53181..325d8d944e5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 32f49525c2d..e72e6ec3bb1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 0d767b4448f..fa37eef3d15 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 9556e7ec359..b3bd275e716 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 81122c17b2c..c882d107783 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 44d45b40f78..ddb582bc1a7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 2bd3ed7aaf8..4d728a743af 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index e960c3707e6..1fe87d8cfb7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 80d82e113a4..b354df1400f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 2708952429c..07fbbc6f5ee 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f813c0cf77d..473bf84a759 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 83da12f767c..c8f0f296b47 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/ConversationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/ConversationItemRequestBuilder.cs
index 78827520e9e..71774d8fdb9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/ConversationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/ConversationItemRequestBuilder.cs
@@ -64,8 +64,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// The group&apos;s conversations.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/group-get-conversation?view=graph-rest-1.0" />
+        /// Retrieve the properties and relationships of conversation object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/conversation-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Conversation"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -103,10 +103,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// The group&apos;s conversations.
+        /// Retrieve the properties and relationships of conversation object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -142,7 +143,7 @@ public partial class ConversationItemRequestBuilderDeleteRequestConfiguration :
         {
         }
         /// <summary>
-        /// The group&apos;s conversations.
+        /// Retrieve the properties and relationships of conversation object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ConversationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
index 0d315ecef7f..37c6ba24392 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 86a47498780..d616ce6d80d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index a8bf10259e6..049514b87e8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
index 1404a3ec7f5..bcd145a55c8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
index e37da28e227..e0f32e3a51e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
index bd08259442f..8833ceddf13 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
index d2c4f07bf31..1267626b65d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
index 9d161b7dbcf..01940f47031 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
index 29022638524..4ee68f591a8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
index b3885bfdc11..026d20bb5fd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Conversations/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
@@ -34,8 +34,8 @@ public ReplyRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base
         {
         }
         /// <summary>
-        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/opentypeextension-post-opentypeextension?view=graph-rest-1.0" />
+        /// Reply to a post and add a new post to the specified thread in a group conversation.  You can specify both the parent conversation and thread in the request, or, you can specify just the parent thread without the parent conversation.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/post-reply?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="body">The request body</param>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -59,7 +59,7 @@ public async Task PostAsync(global::Microsoft.Graph.Groups.Item.Conversations.It
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
+        /// Reply to a post and add a new post to the specified thread in a group conversation.  You can specify both the parent conversation and thread in the request, or, you can specify just the parent thread without the parent conversation.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index 512a7124bef..6c433f72fac 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f138fe81c69..faaa7016a04 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index 537dbc3ed06..0dbb9500f4a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index ce4b021b909..e44253f698c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 8f768055fca..05dc13e7de4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/EventItemRequestBuilder.cs
index 38704a214af..9f72ea63383 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/EventItemRequestBuilder.cs
@@ -200,6 +200,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 0078c51f398..a3aa3ac5572 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 802662dd64e..b1053d98b7a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 472f145943c..ca0f059371d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 123b3cd8304..16ed7292af5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index f016118c7d2..7d39719faaa 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 5a153940339..861aa450c12 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 6362623e1ee..50866a3deae 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 8c0005d9c8a..953bc869f06 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 2bcc72f3d35..d8149f4d0d3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index d290d0f1406..0ae3eefbade 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 350604da964..9bb841bc1b5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index b2466cc445e..fc603d07ee0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 76e4808e2fa..a3aa8091f31 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 314e51869b5..1efebfeed95 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f29eea3f104..2296b6a9a0b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 7f741cc12b1..bd55f90bc88 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index d53b74328b7..711a094b5f9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index a167c3617b4..53c74fbddab 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 90b63911c3e..08c465975bc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index da915c7b37d..29a49bb4214 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index d93843f6546..92b7d985bf2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index e441047f0b8..b86427586ba 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 7670cb8057b..9c988ef3092 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 7ad07bdb645..e516e8c96ea 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 2110923cf26..e6cc3fe56ab 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 6e1903e445b..062f6757e95 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index c79124220fe..d48bc4e500e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index f34d29ec983..34685429978 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index eca3af150c2..4c51cf71211 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 71aa67aa277..1d6bf01c630 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 878f0c4856f..c71684805b8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 476f0bef8b6..d1accb0a2bb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 3296fe0c8d3..23b8f2a8367 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 004279b526d..3e03f66a02c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 5fc9f5de219..6ffa0357faf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 3f9901d40bf..e419ddd1818 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 7b3baa48f78..8a9100e6889 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 99f42a2965f..1401a8d4eec 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 116523cbad1..620ac555e91 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8ba1c2cb1a0..b7710be2bd6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index e012d91e68c..e404a97cca0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 282d404ec80..bb4f973874b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 38ca3a79476..415d1521775 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d2e325e34fd..79019eab37b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 31a5bcfed15..9990f7f1de0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 2843d06c8c0..d49c43e8dd8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/GroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/GroupItemRequestBuilder.cs
index 964fb4c7859..20eefdbdbc6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/GroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/GroupItemRequestBuilder.cs
@@ -381,6 +381,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
index bf11ef18754..c129d18ef19 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/GroupLifecyclePolicies/Item/GroupLifecyclePolicyItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Members/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Members/Item/Ref/RefRequestBuilder.cs
index adc1a320797..fdc821b7d22 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Members/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Members/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Members/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Members/Ref/RefRequestBuilder.cs
index bce8ded8601..b6540cee727 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Members/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Members/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/groups/{group%2Did}/members/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/groups/{group%2Did}/members/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
index 045fe1e6b95..b01e2804640 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 16ac058dd1f..16d978d5340 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index fe8dd1127a6..48636f3c35d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 6e84dae212a..7a85f4db124 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index dc990048ada..efd318e1556 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 8767b469e13..e87eddbb847 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 6f0a222fe73..395547b3941 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 14fede53da7..5eca96514ee 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 43eebdead5a..3f2f0840705 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 8c466d81e14..6bee631c18b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/OnenoteRequestBuilder.cs
index ee29a647316..cda8339eb27 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/OnenoteRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
index ae543fd8266..d72c2a03f6a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
index 0a8ad8a3fbe..c392c5773f3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
index 7e8fd326a2e..617bf451518 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index d3dc6290618..42ab9563eae 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
index 2e69a8d292c..36208e0a8e0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
index 3f8ef84fe4f..4a8d5a16aeb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 5e7ffc2414c..7ba09a02943 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 345f2d75cf2..e0c92861eab 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 41d3301b49a..2c80bea7fe1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index ba9d8b09859..dfc02acb94b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index f3f46fa3635..43b1bbc4e9e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index df44e74a60b..0c46cf5d784 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index c6bbcea105f..e2b7e3ef50c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 5400d274265..5a1593b57db 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index bfbbe74f33c..2da9a7a17cd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Owners/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Owners/Item/Ref/RefRequestBuilder.cs
index 82c2f70b83c..b78d8d8663f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Owners/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Owners/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Owners/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Owners/Ref/RefRequestBuilder.cs
index 152450cbdd4..0da4d26fe1a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Owners/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Owners/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/groups/{group%2Did}/owners/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/groups/{group%2Did}/owners/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 3ad180a8caf..53afae176cc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Photo/PhotoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Photo/PhotoRequestBuilder.cs
index 65baf3d2dc2..a19f425a4f6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Photo/PhotoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Photo/PhotoRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Photo/Value/ContentRequestBuilder.cs
index f7c52889e59..03d08aa4fdd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Photos/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Photos/Item/Value/ContentRequestBuilder.cs
index 85a23e4b023..d3ddc95edd1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Photos/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Photos/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/PlannerRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/PlannerRequestBuilder.cs
index b108e13fec0..64892f1bf1b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/PlannerRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/PlannerRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
index b2140de327d..d79b45988ee 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 40409a6f604..20b197e8d1f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index dd9f14f5ec1..709a68dbf19 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 1097357cf28..6d4802d3f9e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 1c3c1b0a103..18c0f80acfa 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 70b7cf99c01..2c67571e9bf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
index 6a0ff8e94c5..a456a9bdcab 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
index ef09e4fda7a..e6111dd09c2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 5a1f7b401f3..5ec83ce0a7c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 0fa30e5ebd5..4fab9c4bf53 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index a31e45dd64e..28f572f9d20 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 772e5afa391..0ef72668f22 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 4af7a2d4c95..958d07a829f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Item/Ref/RefRequestBuilder.cs
index 20dfab5633d..348197d7870 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Ref/RefRequestBuilder.cs
index 73ad8af1f3e..c2b24866c64 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/RejectedSenders/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/groups/{group%2Did}/rejectedSenders/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/groups/{group%2Did}/rejectedSenders/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/RemoveFavorite/RemoveFavoriteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/RemoveFavorite/RemoveFavoriteRequestBuilder.cs
index 374a9bc315e..24765a60cbd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/RemoveFavorite/RemoveFavoriteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/RemoveFavorite/RemoveFavoriteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Renew/RenewRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Renew/RenewRequestBuilder.cs
index 7f45d9fac16..b2244f1ae43 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Renew/RenewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Renew/RenewRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/ResetUnseenCount/ResetUnseenCountRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/ResetUnseenCount/ResetUnseenCountRequestBuilder.cs
index 2c7c40b1db8..84a2334a85b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/ResetUnseenCount/ResetUnseenCountRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/ResetUnseenCount/ResetUnseenCountRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
index 0b72958e82b..740abe972cd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Settings/Item/GroupSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Settings/Item/GroupSettingItemRequestBuilder.cs
index 92826b6b0f1..91dc49fec2c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Settings/Item/GroupSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Settings/Item/GroupSettingItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/AnalyticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
index 1df791bde77..6b5852ece16 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
index baba59d589e..8b8d790c22e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
index c6a8b83a402..44ef7834729 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
index e6df37a196f..b9273c5bb86 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 37750ffbffc..c69dcfbe741 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index eb9b47cc133..c757db7e4a4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index cb0d39655c6..0f48cc94c47 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 9c388e3b084..954eb0cd5a5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index b462ceeb769..71b80ad3db2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index a2e3b1df0de..0fba4f85673 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index 633527d8bc2..e8c87f256a4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index 28f28093f9c..517e701a42f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
index 377bb6ca11a..2568e709c9c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
index 6fa450982db..d7437102494 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
index b40d461c4ea..1df9e5630f2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index e7235b9748d..d05acf46aa0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index 208386bdcb2..5fba607ad19 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index 74e876a2735..395c87f3d12 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 6b16d9b52c9..feb2797da59 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index 9dbe44a2d71..55a12644235 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index b54e2eb0a03..30b3feeb1e2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index be00e25948d..791d93bf345 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index 76c57ebc696..e3467e12408 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
index 01ae21c94bc..8e814a7f8fe 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
index 5d0a36c47db..8e4604bec33 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
index 9b9f4da1e48..b488c31e29a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
index 1445f50b3dc..26f2ab25507 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
index f213cce21f5..0f555b45158 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
index 5b4260e6172..62618e978ed 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
@@ -189,6 +189,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
index fe3cace3ea2..afe52feac87 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
index b613c5938f5..ad1cc620bf6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
index 94b1a4807fb..43f8ddd86e1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ListItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
index 477cec77c55..02e280d588f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index 7d0a0964a3b..83c501f0645 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index 99eaa3d42ec..2db84c50842 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index f56a4f19a68..158f19ba00e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
index b70d8fc2cac..4f6a62a47e7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 48770b78e65..c21284c19f9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 3d5daf81a5f..55802dcf2b9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 70ff8c8da5d..4fb947854e7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index dbdf5d5466f..5ccba9bc8e0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index e07c55f5c83..b36c30d2bb3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 4cd48838307..31ba227d424 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index dfb5e1b8401..ea530b79df4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 085af80b0cc..9ff3d68e52f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 81356258e9d..f1879231e34 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/OnenoteRequestBuilder.cs
index 39c8cd7b596..fa6e92d258e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/OnenoteRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
index d2ca7e71cfe..aa01fac5477 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
index 944484c0bbb..91c05b3be4b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
index df416ef13f4..9023e836871 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 86190ddc8aa..5938265f156 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
index 1878dc64aac..3d299580d7d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
index d26766fdb0f..3a6e6675415 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 9e6e1806aad..651447110ac 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index dfc1e91ae56..eec274017cb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 6ee8b728db5..a3f04a2b330 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 62804bfa11f..bea9541e59c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 15e6f2944c2..40d8f9a3710 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 16e5fcb09b9..9d37b394076 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 50175257d5a..39e37ab68d9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 3a58e00c421..ba7441a3c92 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 232fd101f6f..9aadd6bbd89 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index e5373b38ed4..cd037fa9c81 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
index ecd4ea0ab3d..3196922ed71 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
index 27b0e00bb3b..7042e7fab41 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
index 67ae35351bf..ac432f35378 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
index 986b6aa23c8..511c6a496e1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
index 97c9967a580..cf35809c738 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
index d3c31937ed1..b1f05e39c25 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
index c246849fee6..56993c773b4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
index 3adc9669025..ad93dc00cd7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
index 3a893778529..c90c7e823a0 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
index d34075714d0..40f10ebbbb7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index b1408ac7c82..4aa81b6ceec 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 33840330202..a5c145bc7ab 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 54c3759c8b4..b4c80db6975 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index cd23f1151d7..60981b77560 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index b2cf071acfb..1354bf532ba 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 954a9e9c801..e76af6abbcb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
index 7c6ca9e9aaf..b227a58e188 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 1cf0b659888..7b814fceddd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index a02206c6963..f75d033bbde 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9b7c92b5160..d9fccb9d556 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index f195aaa45fa..1a45aa839ef 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index f0f7873a605..282f1f724e7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 5e8d8799ebc..b275d145666 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index a2842943186..36222c91caf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index b61fc489779..b3742c6c707 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 658d74c9d19..45f003e6327 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 277fb0d403b..03e8d05a3e8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 3971e09a8cd..9a7ff8ba20b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 65b8726b0b8..4bf5dcd7309 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index dae4dcd8fd1..3952b645fbc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index ef088b60733..2301dc2710e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
index b8fb74eeaeb..e1c453bc22c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index d552c1926d5..71d67370db2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 532f2b2261b..3a7ffe13a35 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 0874cdbe2b8..4c948ef2e42 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index f787f939f64..e992fed12bc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index ede6358da19..b8f3d50c4ef 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
index fbb225e374a..d20dbd9de6d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 57918acf056..f2f70288500 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index fa01e425c9e..3bfe74995ff 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index da0594c51e2..42f1c4d8794 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index eafb4b514df..9d9bad76c6a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/TermStoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/TermStoreRequestBuilder.cs
index 7330c5f0fb3..4538ccc3468 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/TermStoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStore/TermStoreRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
index d77009c73a8..2d5f00f0ae1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index e6537a0d6f4..67a4861dd99 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 6df3ed2ecd7..2820d51a0da 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9ca3b26d1a0..965de6a6c98 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 871252bb385..5bd9b29ad64 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 9a11bfc273d..3a420419d2d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index ca9ac92342b..d13ff8d0d57 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
index a7f4c5d4795..6697e35caaf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 30fa1c995f6..3eb3a4fc20b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index bc37e045082..0128d8d9b66 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index b8581b20e8e..a50e6f99bd8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 746288921ee..fa96af92608 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9f9d905c67f..84f55fe1df5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 132b0126e77..7367a328207 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 920307ce8c9..6a5a44cbfd7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 76a63a89552..8dda88820b4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 2fbafb6e937..a3cfc5fd3bf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 136fb71f0c2..ac901120a69 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 722243e2a84..974947eefb8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index a10f3fe5d2f..00059c143f2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 9afca64dd8c..e75eabff5eb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9691d282571..ef07356b558 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
index 7a98bfe473a..f2cd089653a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index ef23b92aa82..7c55eeb84ee 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index fdd4a91e55f..541439b3f18 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9618c090bbd..a1745be7c01 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 66753c2e3c4..78a0162c264 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index e79c8739b0b..9e693b55980 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
index 6975a3dcc2d..d7f6f9fa6c8 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index f3e6d885631..ee12d74d5b3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 27a6129890c..049e789272c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index a559354e6c8..f3384850a93 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index e634df4aea0..2b8bb57ccfe 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
index eb429f3a93d..0e3832204d2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/SubscribeByMail/SubscribeByMailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/SubscribeByMail/SubscribeByMailRequestBuilder.cs
index 324eda36d41..337ff594893 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/SubscribeByMail/SubscribeByMailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/SubscribeByMail/SubscribeByMailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Archive/ArchiveRequestBuilder.cs
index a589faa6615..4f35d0b92bf 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index faa35441683..5aa9dcad8fb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Archive/ArchiveRequestBuilder.cs
index 09740fb89cf..e3303d64b90 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/ChannelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/ChannelItemRequestBuilder.cs
index f0f3f8ffeb6..aa3183a1b71 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/ChannelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/ChannelItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index a02e5542c61..3a82df465d6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
index 0e2d01064e5..1d67004c023 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 22324ac1fe6..9acca91b6ca 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 559dc54a557..d21a26755f2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 5572fa23d05..bb412c568b2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index af28dd66852..07695e09333 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 6516eecac35..a18294ae2b6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 2c7c4f9f9a9..925f890e22c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 7b4f0d26c5d..5ddb15899ee 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 531b6c6bbf8..9dd8193a03a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index da1ad60a811..1eff93b57f6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 7a3c2eb46f5..16b987fe5ae 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 78b38b59311..acef18cb087 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index f0070275046..82334c88999 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index d0facb739dc..cdc8678f019 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 524c0890b20..5537f7d0f2f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 388c75ea9fa..a0600d98e6c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
index 2c6526b6f4b..586d10d8ebc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index a15990eaa86..e643a853db6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 03f05013549..11586f955d7 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
index ade5bc35a5a..fc3f4a00b9e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Clone/CloneRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Clone/CloneRequestBuilder.cs
index cb71ca4d3b9..3f396220bd6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Clone/CloneRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Clone/CloneRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 36000947c4d..9913d04c8f3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index 87a106ff7b1..4a7a32a62ae 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index 67ed4857bc9..e918d557890 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Members/Item/ConversationMemberItemRequestBuilder.cs
index 173dbdb1a20..f1b52068930 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
index e9c3c5d405b..20f8ad65e0e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index dda3685ef7f..20d6ab7f1ed 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Photo/Value/ContentRequestBuilder.cs
index c0abd6d6b78..8764f13494e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index d7994b05bc5..0e817ddaa1b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
index ede6689492d..c69ed5340e9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 2afb6762fc0..4730873efcc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
index 134c0bd2b9b..8817b3b10a3 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
index 10042ca4eec..6ba2326da67 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
index e8b78ee4602..fdf03c910c9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 4e8d1080340..beaf4f88e35 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 9aec6ed020c..72b68dbde26 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 990efbb124b..a2b88318904 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index d2e45cb5cf3..c6b546f3e9c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index b63c42068e2..3b5e290aea1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 0bf216db214..cbfc7da9743 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 828e6348935..b88ccc2da43 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index e0cdd994b2d..db52f3764bd 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 3fb0ef2fe7c..5611026fe4a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 1c7187c30ec..42dab430fa6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index bba05d5c876..500edf69f58 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 15c0f63da24..32913552c74 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 4e87f1e695a..9ace5faa9fc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/PrimaryChannelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/PrimaryChannelRequestBuilder.cs
index b15aa2a851a..e007fd4a73e 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/PrimaryChannelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/PrimaryChannelRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
index f70481ca5e2..91bc8b0375f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 557bb831172..036aa2ee0f6 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
index e45f06bf906..b3e24859fc2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
index ce448363d2a..357957f637a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
index 66ec67c05b5..0e6980bc0fb 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
index cf357450afd..b046b7b1192 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
index 3a93f2ce9a4..95a05eb1e31 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
index b679a2d62f4..f063ccccd5b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/ScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/ScheduleRequestBuilder.cs
index 7d0be976dfe..8eaacff8707 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/ScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/ScheduleRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
index 56f24c18198..4a6bca2987a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Share/ShareRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Share/ShareRequestBuilder.cs
index 40d1c5012b5..4a2330d27ed 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Share/ShareRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Share/ShareRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
index b2db089096f..768400f3ce4 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
index 02cc6a3de13..55b1d1353fc 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
index f0c27773833..98e3ac5b0f2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
index 37ab8230785..0b02d9bcd4c 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
index 456057eb17e..12da9d285f9 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
index fad50552163..5ecfc9bee32 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index e5c4b492250..61ae54df8a5 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
index 6759ecf751d..fc7070e5bc1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/TeamworkTagItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/TeamworkTagItemRequestBuilder.cs
index 0a1a79251d1..5562dc52d84 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/TeamworkTagItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Tags/Item/TeamworkTagItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/TeamRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/TeamRequestBuilder.cs
index 46cbee19268..75e77d74c8f 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/TeamRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/TeamRequestBuilder.cs
@@ -229,6 +229,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Team/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Team/Unarchive/UnarchiveRequestBuilder.cs
index 83707c2191b..12a8e9859b2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Team/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Team/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
index 1f8a56ee04a..3a199b4e810 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/ConversationThreadItemRequestBuilder.cs
@@ -48,7 +48,7 @@ public ConversationThreadItemRequestBuilder(string rawUrl, IRequestAdapter reque
         }
         /// <summary>
         /// Delete conversationThread.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/group-delete-thread?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/conversationthread-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -70,8 +70,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get a thread object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/group-get-thread?view=graph-rest-1.0" />
+        /// Get a specific thread that belongs to a group. You can specify both the parent conversation and the thread, or, you can specify the thread without referencing the parent conversation. 
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/conversationthread-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ConversationThread"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -135,10 +135,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Get a thread object.
+        /// Get a specific thread that belongs to a group. You can specify both the parent conversation and the thread, or, you can specify the thread without referencing the parent conversation. 
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -196,7 +197,7 @@ public partial class ConversationThreadItemRequestBuilderDeleteRequestConfigurat
         {
         }
         /// <summary>
-        /// Get a thread object.
+        /// Get a specific thread that belongs to a group. You can specify both the parent conversation and the thread, or, you can specify the thread without referencing the parent conversation. 
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ConversationThreadItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 255e80c407b..0490fdf04f1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index bbfb33066e7..10fca3cfb1d 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
index ef6428f2495..337eddf0a37 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
index e78accccb57..e036b360019 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
index 590ff71780d..e2511602ee2 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
index 4489e36d11f..cf3fb08591b 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
index 1965e9d62a8..194d0258ff1 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/InReplyTo/Reply/ReplyRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
index f57a90c5d91..e4c95277a18 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Posts/Item/Reply/ReplyRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
index 87b115f682c..ede64072ada 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/Threads/Item/Reply/ReplyRequestBuilder.cs
@@ -34,8 +34,8 @@ public ReplyRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base
         {
         }
         /// <summary>
-        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/opentypeextension-post-opentypeextension?view=graph-rest-1.0" />
+        /// Reply to a post and add a new post to the specified thread in a group conversation.  You can specify both the parent conversation and thread in the request, or, you can specify just the parent thread without the parent conversation.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/post-reply?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="body">The request body</param>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -59,7 +59,7 @@ public async Task PostAsync(global::Microsoft.Graph.Groups.Item.Threads.Item.Rep
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
+        /// Reply to a post and add a new post to the specified thread in a group conversation.  You can specify both the parent conversation and thread in the request, or, you can specify just the parent thread without the parent conversation.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/UnsubscribeByMail/UnsubscribeByMailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/UnsubscribeByMail/UnsubscribeByMailRequestBuilder.cs
index 713a1d7ae35..a702656ae71 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/UnsubscribeByMail/UnsubscribeByMailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/UnsubscribeByMail/UnsubscribeByMailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Groups/Item/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/Item/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index ccd85fc9bfd..bd332426f0a 100644
--- a/src/Microsoft.Graph/Generated/Groups/Item/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/Item/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Groups/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Groups/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 87d1b00e929..30f1e8d72ca 100644
--- a/src/Microsoft.Graph/Generated/Groups/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Groups/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Group
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/GroupsWithUniqueName/GroupsWithUniqueNameRequestBuilder.cs b/src/Microsoft.Graph/Generated/GroupsWithUniqueName/GroupsWithUniqueNameRequestBuilder.cs
index 8f10e275e60..8391de09578 100644
--- a/src/Microsoft.Graph/Generated/GroupsWithUniqueName/GroupsWithUniqueNameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/GroupsWithUniqueName/GroupsWithUniqueNameRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ApiConnectors/Item/IdentityApiConnectorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ApiConnectors/Item/IdentityApiConnectorItemRequestBuilder.cs
index 3f81a360872..7e00de6964f 100644
--- a/src/Microsoft.Graph/Generated/Identity/ApiConnectors/Item/IdentityApiConnectorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ApiConnectors/Item/IdentityApiConnectorItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventListeners/Item/AuthenticationEventListenerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventListeners/Item/AuthenticationEventListenerItemRequestBuilder.cs
index a11b3f0e37c..a0364eacc7c 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventListeners/Item/AuthenticationEventListenerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventListeners/Item/AuthenticationEventListenerItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/AuthenticationEventsFlowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/AuthenticationEventsFlowItemRequestBuilder.cs
index 1cbd4c6df6d..a27b6c98b8f 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/AuthenticationEventsFlowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/AuthenticationEventsFlowItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
index ba9c8f58f00..4a91ce96011 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
index 88fad21e6f1..d5fe3521569 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/Conditions/Applications/IncludeApplications/Item/AuthenticationConditionApplicationAppItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Item/Ref/RefRequestBuilder.cs
index 1766904f23d..e284e39f3c6 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Item/Ref/RefRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Ref/RefRequestBuilder.cs
index a1daf93caf1..7cc364efe73 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAttributeCollection/GraphOnAttributeCollectionExternalUsersSelfServiceSignUp/Attributes/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identity/authenticationEventsFlows/{authenticationEventsFlow%2Did}/graph.externalUsersSelfServiceSignUpEventsFlow/onAttributeCollection/graph.onAttributeCollectionExternalUsersSelfServiceSignUp/attributes/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identity/authenticationEventsFlows/{authenticationEventsFlow%2Did}/graph.externalUsersSelfServiceSignUpEventsFlow/onAttributeCollection/graph.onAttributeCollectionExternalUsersSelfServiceSignUp/attributes/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Item/Ref/RefRequestBuilder.cs
index e25490a3f9e..b0dd5ea8902 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Item/Ref/RefRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Ref/RefRequestBuilder.cs
index fca34b12044..aa0a98fc2b8 100644
--- a/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/AuthenticationEventsFlows/Item/GraphExternalUsersSelfServiceSignUpEventsFlow/OnAuthenticationMethodLoadStart/GraphOnAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/IdentityProviders/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identity/authenticationEventsFlows/{authenticationEventsFlow%2Did}/graph.externalUsersSelfServiceSignUpEventsFlow/onAuthenticationMethodLoadStart/graph.onAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/identityProviders/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identity/authenticationEventsFlows/{authenticationEventsFlow%2Did}/graph.externalUsersSelfServiceSignUpEventsFlow/onAuthenticationMethodLoadStart/graph.onAuthenticationMethodLoadStartExternalUsersSelfServiceSignUp/identityProviders/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/PostAttributeCollectionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/PostAttributeCollectionRequestBuilder.cs
index 3d4bbb49ea5..f2621715c5a 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/PostAttributeCollectionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/PostAttributeCollectionRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/Ref/RefRequestBuilder.cs
index 4ca3e256795..8f42597ad4d 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostAttributeCollection/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/PostFederationSignupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/PostFederationSignupRequestBuilder.cs
index 90f88950414..7dec5c520bb 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/PostFederationSignupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/PostFederationSignupRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/Ref/RefRequestBuilder.cs
index f3173c102e5..838d4e6c960 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/ApiConnectorConfiguration/PostFederationSignup/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/B2xIdentityUserFlowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/B2xIdentityUserFlowItemRequestBuilder.cs
index 91cf6b558b0..7f6bcb2ecb3 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/B2xIdentityUserFlowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/B2xIdentityUserFlowItemRequestBuilder.cs
@@ -152,6 +152,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/UserFlowLanguagePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
index 36eb86f9267..3c211e6bc97 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/Value/ContentRequestBuilder.cs
index 7f702ac7e49..234f5f178b8 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/DefaultPages/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/UserFlowLanguagePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
index e735c773008..10acb271628 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/UserFlowLanguagePageItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/Value/ContentRequestBuilder.cs
index 2e7d0d08fcc..8518a19b020 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/OverridesPages/Item/Value/ContentRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -140,7 +141,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/UserFlowLanguageConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/UserFlowLanguageConfigurationItemRequestBuilder.cs
index b9d901cd0a2..079b68de975 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/UserFlowLanguageConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/Languages/Item/UserFlowLanguageConfigurationItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/Item/IdentityUserFlowAttributeAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/Item/IdentityUserFlowAttributeAssignmentItemRequestBuilder.cs
index c46d2e0f0e7..67851c80c53 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/Item/IdentityUserFlowAttributeAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/Item/IdentityUserFlowAttributeAssignmentItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/SetOrder/SetOrderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/SetOrder/SetOrderRequestBuilder.cs
index 50433ce3006..6d451f6f9b5 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/SetOrder/SetOrderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserAttributeAssignments/SetOrder/SetOrderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Item/Ref/RefRequestBuilder.cs
index bf1d5ca750a..7ac265138dc 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Item/Ref/RefRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Ref/RefRequestBuilder.cs
index 120ee497708..dbab7d12caf 100644
--- a/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/B2xUserFlows/Item/UserFlowIdentityProviders/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identity/b2xUserFlows/{b2xIdentityUserFlow%2Did}/userFlowIdentityProviders/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identity/b2xUserFlows/{b2xIdentityUserFlow%2Did}/userFlowIdentityProviders/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationContextClassReferences/Item/AuthenticationContextClassReferenceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationContextClassReferences/Item/AuthenticationContextClassReferenceItemRequestBuilder.cs
index e0bba06d51b..684bdeb1a2d 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationContextClassReferences/Item/AuthenticationContextClassReferenceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationContextClassReferences/Item/AuthenticationContextClassReferenceItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationMethodModes/Item/AuthenticationMethodModeDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationMethodModes/Item/AuthenticationMethodModeDetailItemRequestBuilder.cs
index 08c1906dc5f..6b9a1c82eed 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationMethodModes/Item/AuthenticationMethodModeDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationMethodModes/Item/AuthenticationMethodModeDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationStrengthRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationStrengthRequestBuilder.cs
index 7bb1af54050..07b83af4f8b 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationStrengthRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/AuthenticationStrengthRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
index a40319f572a..0997d74300b 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
index 138c7d067dd..9928a1640d8 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/AuthenticationStrength/Policies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/NamedLocations/Item/NamedLocationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/NamedLocations/Item/NamedLocationItemRequestBuilder.cs
index 74153220193..40d75600a9f 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/NamedLocations/Item/NamedLocationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/NamedLocations/Item/NamedLocationItemRequestBuilder.cs
@@ -58,8 +58,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an ipNamedLocation object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/ipnamedlocation-get?view=graph-rest-1.0" />
+        /// Retrieve the properties and relationships of a namedLocation object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/namedlocation-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.NamedLocation"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -82,8 +82,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.NamedLocation>(requestInfo, global::Microsoft.Graph.Models.NamedLocation.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the properties of a countryNamedLocation object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/countrynamedlocation-update?view=graph-rest-1.0" />
+        /// Update the properties of an ipNamedLocation object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/ipnamedlocation-update?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.NamedLocation"/></returns>
         /// <param name="body">The request body</param>
@@ -123,10 +123,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an ipNamedLocation object.
+        /// Retrieve the properties and relationships of a namedLocation object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -145,7 +146,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the properties of a countryNamedLocation object.
+        /// Update the properties of an ipNamedLocation object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -184,7 +185,7 @@ public partial class NamedLocationItemRequestBuilderDeleteRequestConfiguration :
         {
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an ipNamedLocation object.
+        /// Retrieve the properties and relationships of a namedLocation object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class NamedLocationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/Policies/Item/ConditionalAccessPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/Policies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
index 99e82b0bef8..27a90e24579 100644
--- a/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/Policies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/ConditionalAccess/Policies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/CustomAuthenticationExtensions/Item/CustomAuthenticationExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/CustomAuthenticationExtensions/Item/CustomAuthenticationExtensionItemRequestBuilder.cs
index 991517ee9a7..79d491ff65b 100644
--- a/src/Microsoft.Graph/Generated/Identity/CustomAuthenticationExtensions/Item/CustomAuthenticationExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/CustomAuthenticationExtensions/Item/CustomAuthenticationExtensionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/IdentityProviders/Item/IdentityProviderBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/IdentityProviders/Item/IdentityProviderBaseItemRequestBuilder.cs
index 228a65e023d..b7d7339cc6c 100644
--- a/src/Microsoft.Graph/Generated/Identity/IdentityProviders/Item/IdentityProviderBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/IdentityProviders/Item/IdentityProviderBaseItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Identity/UserFlowAttributes/Item/IdentityUserFlowAttributeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Identity/UserFlowAttributes/Item/IdentityUserFlowAttributeItemRequestBuilder.cs
index f7786c1ee15..18b9f48d545 100644
--- a/src/Microsoft.Graph/Generated/Identity/UserFlowAttributes/Item/IdentityUserFlowAttributeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Identity/UserFlowAttributes/Item/IdentityUserFlowAttributeItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/AccessReviewsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/AccessReviewsRequestBuilder.cs
index 0054a5f3b4c..51c96ec1313 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/AccessReviewsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/AccessReviewsRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/AccessReviewScheduleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/AccessReviewScheduleDefinitionItemRequestBuilder.cs
index cbcb4942e5a..3a83348e94d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/AccessReviewScheduleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/AccessReviewScheduleDefinitionItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AcceptRecommendations/AcceptRecommendationsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AcceptRecommendations/AcceptRecommendationsRequestBuilder.cs
index 501b67c6876..2720762d8b6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AcceptRecommendations/AcceptRecommendationsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AcceptRecommendations/AcceptRecommendationsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AccessReviewInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AccessReviewInstanceItemRequestBuilder.cs
index bec4ae6d810..9172b665ba6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AccessReviewInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/AccessReviewInstanceItemRequestBuilder.cs
@@ -176,6 +176,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ApplyDecisions/ApplyDecisionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ApplyDecisions/ApplyDecisionsRequestBuilder.cs
index 5a5791e2a8a..c915f0dd869 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ApplyDecisions/ApplyDecisionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ApplyDecisions/ApplyDecisionsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/BatchRecordDecisions/BatchRecordDecisionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/BatchRecordDecisions/BatchRecordDecisionsRequestBuilder.cs
index dc7f27106cf..aa3a570290b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/BatchRecordDecisions/BatchRecordDecisionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/BatchRecordDecisions/BatchRecordDecisionsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ContactedReviewers/Item/AccessReviewReviewerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ContactedReviewers/Item/AccessReviewReviewerItemRequestBuilder.cs
index c9e66ea8668..7378e58c58f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ContactedReviewers/Item/AccessReviewReviewerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ContactedReviewers/Item/AccessReviewReviewerItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
index c04d519e4fe..9b723566e0d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
index 485b07c7347..6fe75a6947d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ResetDecisions/ResetDecisionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ResetDecisions/ResetDecisionsRequestBuilder.cs
index 41816ed6864..cedb633e656 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ResetDecisions/ResetDecisionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/ResetDecisions/ResetDecisionsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/SendReminder/SendReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/SendReminder/SendReminderRequestBuilder.cs
index 8718b045c97..768c3a896cc 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/SendReminder/SendReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/SendReminder/SendReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/AccessReviewStageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/AccessReviewStageItemRequestBuilder.cs
index cf207d4d2ab..35697988af6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/AccessReviewStageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/AccessReviewStageItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
index 96bee23e2a5..a3a78f69c10 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/AccessReviewInstanceDecisionItemItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
index ae36b9c7917..03f9d1fd52c 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Decisions/Item/Insights/Item/GovernanceInsightItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Stop/StopRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Stop/StopRequestBuilder.cs
index d32ef4cb8c3..82a0907befb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Stop/StopRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stages/Item/Stop/StopRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stop/StopRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stop/StopRequestBuilder.cs
index c79e996d157..3ead34b35dd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stop/StopRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Instances/Item/Stop/StopRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Stop/StopRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Stop/StopRequestBuilder.cs
index 1bd86658006..762c7d38e57 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Stop/StopRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/Definitions/Item/Stop/StopRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/AccessReviewHistoryDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/AccessReviewHistoryDefinitionItemRequestBuilder.cs
index d5ad62eb295..50e1d42aa06 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/AccessReviewHistoryDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/AccessReviewHistoryDefinitionItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/Instances/Item/AccessReviewHistoryInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/Instances/Item/AccessReviewHistoryInstanceItemRequestBuilder.cs
index f86283697d9..ab681fda40a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/Instances/Item/AccessReviewHistoryInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AccessReviews/HistoryDefinitions/Item/Instances/Item/AccessReviewHistoryInstanceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequestBuilder.cs
index c9051b5e34a..861bf7036af 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/AppConsentRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/AppConsentRequestItemRequestBuilder.cs
index ca01439047f..8c25b87dba4 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/AppConsentRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/AppConsentRequestItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/ApprovalRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/ApprovalRequestBuilder.cs
index 31059fd04af..e993cb8e508 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/ApprovalRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/ApprovalRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/Stages/Item/ApprovalStageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/Stages/Item/ApprovalStageItemRequestBuilder.cs
index ab3bc371823..f0e9bcab440 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/Stages/Item/ApprovalStageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/Approval/Stages/Item/ApprovalStageItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/UserConsentRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/UserConsentRequestItemRequestBuilder.cs
index 601f4adbd22..bab3a21dc5d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/UserConsentRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/AppConsent/AppConsentRequests/Item/UserConsentRequests/Item/UserConsentRequestItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/ApprovalItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
index 37d2fcdebd3..2876df515aa 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
index 4a17ed5cdec..d8b41a9d2c4 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackageAssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AccessPackageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AccessPackageItemRequestBuilder.cs
index dbd0a6d8ce0..a83372be3ae 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AccessPackageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AccessPackageItemRequestBuilder.cs
@@ -165,6 +165,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
index ceed7b8cba3..120e4e5b8df 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
index 50774f8ba9e..a5383dffe19 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
index 57d0a06abec..2b9711a1f1f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Item/Ref/RefRequestBuilder.cs
index 888501e7d4a..2678e377d8e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Ref/RefRequestBuilder.cs
index 3e685b6e94a..12ecc772b11 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleAccessPackages/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identityGovernance/entitlementManagement/accessPackages/{accessPackage%2Did}/incompatibleAccessPackages/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identityGovernance/entitlementManagement/accessPackages/{accessPackage%2Did}/incompatibleAccessPackages/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Item/Ref/RefRequestBuilder.cs
index f3badda8420..1c16e21152f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Ref/RefRequestBuilder.cs
index a265d4cf66c..6ef3e13c175 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/IncompatibleGroups/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identityGovernance/entitlementManagement/accessPackages/{accessPackage%2Did}/incompatibleGroups/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identityGovernance/entitlementManagement/accessPackages/{accessPackage%2Did}/incompatibleGroups/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
index aaf8afca67b..7efd6aaffdd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
index b9dd92649dc..91b7c8432fd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
index 5cf5edd0aea..a7ab796cbae 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 0de214eef15..c0334325c9f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 771e82d23ac..fcd39717c5f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index dcdb40ff1e3..e73468720a3 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 1d048559418..69102afcb59 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 2428064f867..480c91603ad 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
index 0f99f55d101..537786c22eb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
index 21a94db17ee..46751d76e29 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
index d622c5e26f6..ffbb7ad95f6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index d93a06a40a9..aa965246972 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index e3ab89d545e..6afb1b73a00 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 2024b2ce92f..f46fb747a73 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 1d43c89e715..d4e5e736e87 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 8cb8988af54..209ec0373bb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
index 876f7dedab8..bf3b918b3c0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AccessPackages/Item/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
index 446f1874022..13393252d54 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/AccessPackageAssignmentPolicyItemRequestBuilder.cs
@@ -147,6 +147,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
index 818e187a9ec..87ef18e36c5 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/CustomExtensionStageSettings/Item/CustomExtensionStageSettingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
index df58391b1d2..bc849a8dfde 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentPolicies/Item/Questions/Item/AccessPackageQuestionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/AccessPackageAssignmentRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/AccessPackageAssignmentRequestItemRequestBuilder.cs
index 51358e690a4..6fcec1b80f3 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/AccessPackageAssignmentRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/AccessPackageAssignmentRequestItemRequestBuilder.cs
@@ -158,6 +158,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Cancel/CancelRequestBuilder.cs
index 2b9b21efce8..a54a256ed76 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Reprocess/ReprocessRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Reprocess/ReprocessRequestBuilder.cs
index 6176bd255dc..439d03c5817 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Reprocess/ReprocessRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Reprocess/ReprocessRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Resume/ResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Resume/ResumeRequestBuilder.cs
index 103096d00a8..4c3ff081d72 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Resume/ResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/AssignmentRequests/Item/Resume/ResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/AccessPackageAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/AccessPackageAssignmentItemRequestBuilder.cs
index 08888cb06ad..fbdb0f15074 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/AccessPackageAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/AccessPackageAssignmentItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/Reprocess/ReprocessRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/Reprocess/ReprocessRequestBuilder.cs
index 9cca2927fb1..024695eec46 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/Reprocess/ReprocessRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Assignments/Item/Reprocess/ReprocessRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/AccessPackageCatalogItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/AccessPackageCatalogItemRequestBuilder.cs
index 0c2fbe6ad7c..11b1bba06d2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/AccessPackageCatalogItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/AccessPackageCatalogItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
index 1018beacd2a..c3573ad76e9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
@@ -35,8 +35,8 @@ public CustomCalloutExtensionItemRequestBuilder(string rawUrl, IRequestAdapter r
         {
         }
         /// <summary>
-        /// Delete an accessPackageAssignmentWorkflowExtension object. The custom workflow extension must first be removed from any associated policies before it can be deleted. Follow these steps to remove the custom workflow extension from any associated policies:
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/accesspackageassignmentworkflowextension-delete?view=graph-rest-1.0" />
+        /// Delete an accessPackageAssignmentRequestWorkflowExtension object. The custom workflow extension must first be removed from any associated policies before it can be deleted. Follow these steps to remove the custom workflow extension from any associated policies:
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/accesspackageassignmentrequestworkflowextension-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -58,8 +58,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read the properties and relationships of an accessPackageAssignmentWorkflowExtension object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/accesspackageassignmentworkflowextension-get?view=graph-rest-1.0" />
+        /// Read the properties and relationships of an accessPackageAssignmentRequestWorkflowExtension object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/accesspackageassignmentrequestworkflowextension-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.CustomCalloutExtension"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -108,7 +108,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.CustomCalloutExtension>(requestInfo, global::Microsoft.Graph.Models.CustomCalloutExtension.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Delete an accessPackageAssignmentWorkflowExtension object. The custom workflow extension must first be removed from any associated policies before it can be deleted. Follow these steps to remove the custom workflow extension from any associated policies:
+        /// Delete an accessPackageAssignmentRequestWorkflowExtension object. The custom workflow extension must first be removed from any associated policies before it can be deleted. Follow these steps to remove the custom workflow extension from any associated policies:
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -123,10 +123,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read the properties and relationships of an accessPackageAssignmentWorkflowExtension object.
+        /// Read the properties and relationships of an accessPackageAssignmentRequestWorkflowExtension object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -184,7 +185,7 @@ public partial class CustomCalloutExtensionItemRequestBuilderDeleteRequestConfig
         {
         }
         /// <summary>
-        /// Read the properties and relationships of an accessPackageAssignmentWorkflowExtension object.
+        /// Read the properties and relationships of an accessPackageAssignmentRequestWorkflowExtension object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class CustomCalloutExtensionItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index a72e4d7517f..47885123601 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 06bd1d893bc..006cf2a23ec 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
index 51f22262e0d..56e10952073 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index a7fb3e7c3c4..b9fef38e071 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index ce04c37bee5..820400c45c9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index bd7cdf93a37..a4a8b321ea2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 9062388ca87..09c3d50700e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index e0fa4031386..0503ce98172 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 94ade45fb2d..9f4600cf96b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 28c22c6f0a6..98f92fce438 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
index 873c047caaf..c2b5ee170ca 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index b0843f4dc75..03850882f11 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 8d55c86cf16..9f6f106c8d3 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 8a46e0887d8..13f97ec4284 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index be2cece44c1..3b82d279246 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index b685cb40c9d..a1e6bbc4cd1 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
index be0bab595a3..0b8e71172b0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
index 40cfea83f1a..848171aca13 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index fc59ff33b98..e06b7f7f3a5 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 60b8bc45eb5..fda4211a8a9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
index 050bf5993d6..889c6a391e6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 434c5cab3ae..5d0785839e9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 78bcc4a21b7..47b440dc508 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index e5c1b85c9a1..bb70a64f572 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 07b482d787b..270bf55d59e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index ebb8a47af8d..41ca9ab6092 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 5ef2141e0b1..e436d4c0a13 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index cf41e640ce8..3f07177964c 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index a3c1fecf3b2..f6bf08377ad 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index e75b2d7389e..6a32b438b47 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Catalogs/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ConnectedOrganizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ConnectedOrganizationItemRequestBuilder.cs
index 24fb4dd8983..8e62b57d0fb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ConnectedOrganizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ConnectedOrganizationItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Item/Ref/RefRequestBuilder.cs
index bdf45b15c14..46b9619b494 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Ref/RefRequestBuilder.cs
index b18c482f290..a08d8a613df 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/ExternalSponsors/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identityGovernance/entitlementManagement/connectedOrganizations/{connectedOrganization%2Did}/externalSponsors/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identityGovernance/entitlementManagement/connectedOrganizations/{connectedOrganization%2Did}/externalSponsors/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Item/Ref/RefRequestBuilder.cs
index 15cbe7247a7..d2b867a62e0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Ref/RefRequestBuilder.cs
index 2beff7ae1ea..ae45bb3fd04 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ConnectedOrganizations/Item/InternalSponsors/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/identityGovernance/entitlementManagement/connectedOrganizations/{connectedOrganization%2Did}/internalSponsors/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/identityGovernance/entitlementManagement/connectedOrganizations/{connectedOrganization%2Did}/internalSponsors/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/EntitlementManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/EntitlementManagementRequestBuilder.cs
index 91f4f223e67..6d434f0706b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/EntitlementManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/EntitlementManagementRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/AccessPackageResourceEnvironmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/AccessPackageResourceEnvironmentItemRequestBuilder.cs
index e51b72282a2..b485430ff18 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/AccessPackageResourceEnvironmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/AccessPackageResourceEnvironmentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
index b270de13351..f94f1e4b1c7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
index fba0d817856..95604998b96 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index ab3cacc811b..98a71c02e58 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 4996bb48583..72f8fd0ec30 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
index 689977e0119..1cc91c13ede 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index fda1c3f8bd5..654fd505d5b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index f986fdde642..c786d9293d6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 1aaf8fb2207..ab4a199354b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 3fa069ffe24..209455e82dd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 22c9d17b472..e08a91c81cd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 63fae56b1da..baeb72b20bb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index c8f5ba74164..e0bfec2e6de 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index f23b06ef872..7409ca9d6e6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 0c1d052c166..ea4788497fb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceEnvironments/Item/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/AccessPackageResourceRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/AccessPackageResourceRequestItemRequestBuilder.cs
index 5f6f4fc4d34..d15efe5f49f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/AccessPackageResourceRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/AccessPackageResourceRequestItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CatalogRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CatalogRequestBuilder.cs
index 88b772d24ca..31cd749a1b4 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CatalogRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CatalogRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
index 551606eae06..52bb15ae0b6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/CustomWorkflowExtensions/Item/CustomCalloutExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index f65e0b14b84..b0d7c1315c3 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index dd029dec215..161c8c3ad26 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
index eab58b24528..94407d7904f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index cd88ffd7b6a..7a2afc21f8a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 3fb20991d4c..6d6ec99d7aa 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index e46a65f8d2f..b2c516ac3a1 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index f37ba23b19c..d582e5cf4ba 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 6b7720b4701..e6e9d8dc690 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceRoles/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 6923a674878..dd44571c421 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 313fe223ba9..944cf759162 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
index ef0f5c16cb9..e691e304290 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index dedca9b54b3..bda2497d798 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 3fb12a2fa3c..8e2f801ce19 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 2f5b1e3a667..efa6a8b32b0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 0628adf72a3..6216d394b7e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index f7dcac84d34..a75089e1bf0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/ResourceScopes/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/AccessPackageResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
index 4664e6f399b..74bc6be38b6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Refresh/RefreshRequestBuilder.cs
index 414078dea08..93a60095741 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index ec0ec77e478..9880e7cd76e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 9951cc244b4..69d7c6b1a23 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
index 89aabb06660..711844bfa26 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 67fd1785d48..02b9b296f86 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 5e56e562714..9362bf75aa0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 51aff0b34da..5ad44e8e5cb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 7296bb6ca47..5140299b280 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 2416d3c7a72..4eb4a8ced81 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
index f600c228be6..c32d64cdc6f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 01fa97f73e5..7807aeb3348 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 8074dfa4c13..e17d7dcb4ac 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index bd5bd212a03..ed4f633c8ff 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Catalog/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 2a74676934a..f2b9d39fc32 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/ResourceRequestBuilder.cs
index 814bc4a3176..be983194f26 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 575201faf89..6fa8d65d1a7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index e6de53a9023..c5753e63edf 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 1aede6a8356..a2188d7cd3d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 4de0b9d2a5e..503a4ebc302 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index d598f885ad0..ec123893219 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 022d12d3da0..4962d15672d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 458dd5b7842..2682c049786 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 616e433095c..0714291fc0b 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 5618ab5d7e6..56c49b833a4 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index e466fce2748..76d83d34dc5 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 197026efef3..c03ed0a6891 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index 12e47e62386..7df5a40db37 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRequests/Item/Resource/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
index 1015929f6ae..d5cf435a580 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/AccessPackageResourceRoleScopeItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
index 11de75e1a9f..b2ecccb9297 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
index 5fde1668df2..8305b657489 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index f1efd0d7688..2c10dac071f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 64c8e59977d..b59ba6bcab3 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index e7456e1c674..76ab60c198e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 89eb2c184d2..94fe64ef148 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index d8078c42722..5111e1f3b1f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/Resource/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
index 090da190eb8..67d1122629a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Role/RoleRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
index f89e5897c54..3dbe4489278 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
index bb20d657ccd..6eb65d071d8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/ResourceRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 5e39ca97f7c..e9287022b01 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 84505ca5a36..aff616cde42 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index bb7a735741c..b5828241dc5 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 05a249be03d..90fe2fccb6f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index f4658c4fd2d..7f43dfcc56f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
index e569466b870..43b1b02ea7f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/ResourceRoleScopes/Item/Scope/ScopeRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/AccessPackageResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
index 7b6765ef9bf..938e08e3baf 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/AccessPackageResourceItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Refresh/RefreshRequestBuilder.cs
index a009d713825..cfea95903cc 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index 9f7cecd80e0..88c29e11577 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index ec2aab59401..3cb6adc39fb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
index 1bc778b3c79..28bf7e84c57 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 1f959d605a8..b5d4ed10be6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 838a1bbd806..6562670a9e9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 60c00a57d10..c3c6a46b0cb 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Roles/Item/Resource/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
index 19f21499fdb..bac55d3e687 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/AccessPackageResourceScopeItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
index 21350c942de..827873d47e8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
index 2b51b8a7c1c..fd20cbc80d0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/ResourceRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
index c5852a793c5..c094ad72f79 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/AccessPackageResourceRoleItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
index ca85563aa2b..5e297464dc6 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/Refresh/RefreshRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
index a0ff78b249a..f3d2b5d1708 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Resources/Item/Scopes/Item/Resource/Roles/Item/Resource/ResourceRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Settings/SettingsRequestBuilder.cs
index a3dbee04810..4b0c63abfd2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/EntitlementManagement/Settings/SettingsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/CustomTaskExtensions/Item/CustomTaskExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/CustomTaskExtensions/Item/CustomTaskExtensionItemRequestBuilder.cs
index 442cf93d9c9..7a5a4c57da9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/CustomTaskExtensions/Item/CustomTaskExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/CustomTaskExtensions/Item/CustomTaskExtensionItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/DeletedItemsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/DeletedItemsRequestBuilder.cs
index 142018cb8ee..e296e7a461d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/DeletedItemsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/DeletedItemsRequestBuilder.cs
@@ -101,6 +101,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
index ed9cc573923..d03e8ef4226 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index ab0b2e56231..11e521b3b55 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 16a9ff27897..b34e2515ea9 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index e00a8033f63..bfadec28ee7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
index 49c7d84f757..43f4e7618f7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 76971f00f1a..f386beb3a9f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index f05595ac032..548e82fff73 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
index fd79de31e05..1c30deb9131 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 5a608939d30..7700451291a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/WorkflowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/WorkflowItemRequestBuilder.cs
index a2099ddd8ea..da76ea902d7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/WorkflowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/DeletedItems/Workflows/Item/WorkflowItemRequestBuilder.cs
@@ -163,6 +163,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Insights/InsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Insights/InsightsRequestBuilder.cs
index 3a3c1a7ab9a..c55aca13bb8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Insights/InsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Insights/InsightsRequestBuilder.cs
@@ -172,6 +172,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/LifecycleWorkflowsRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/LifecycleWorkflowsRequestBuilder.cs
index 4e73d2205ff..dbaf0a3452d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/LifecycleWorkflowsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/LifecycleWorkflowsRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/WorkflowTemplates/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/WorkflowTemplates/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 20751865c23..78b1750a65f 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/WorkflowTemplates/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/WorkflowTemplates/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
index 3e7aa67f940..5746136f0f7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/MicrosoftGraphIdentityGovernanceActivate/MicrosoftGraphIdentityGovernanceActivateRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 7878f04ef70..2e3d19032a2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index df0cc18068c..65f253038d2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Runs/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 20c4ae02ab3..dc0354b9ee4 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/TaskReports/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
index affbe95264d..285186040b2 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index 94b6bbe0360..55687eb2672 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index a665229cb3b..8b82c6e6bae 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/UserProcessingResults/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
index 0796a4ca210..32421ab36ff 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
index bd42ce0204c..741b93a28a8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/Versions/Item/Tasks/Item/TaskProcessingResults/Item/MicrosoftGraphIdentityGovernanceResume/MicrosoftGraphIdentityGovernanceResumeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/WorkflowItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/WorkflowItemRequestBuilder.cs
index 0604b02364e..5a1e5409839 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/WorkflowItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/LifecycleWorkflows/Workflows/Item/WorkflowItemRequestBuilder.cs
@@ -189,6 +189,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/ApprovalItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
index 09161b67205..24a9a78636e 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/ApprovalItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
index 30a67c2162c..6737faa4620 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentApprovals/Item/Stages/Item/ApprovalStageItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleInstances/Item/PrivilegedAccessGroupAssignmentScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleInstances/Item/PrivilegedAccessGroupAssignmentScheduleInstanceItemRequestBuilder.cs
index 7735ccc6f6e..e367aa150f7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleInstances/Item/PrivilegedAccessGroupAssignmentScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleInstances/Item/PrivilegedAccessGroupAssignmentScheduleInstanceItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index fe0800c8ec8..d2a70d16106 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/PrivilegedAccessGroupAssignmentScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/PrivilegedAccessGroupAssignmentScheduleRequestItemRequestBuilder.cs
index 0bd59b85842..72b96623174 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/PrivilegedAccessGroupAssignmentScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentScheduleRequests/Item/PrivilegedAccessGroupAssignmentScheduleRequestItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentSchedules/Item/PrivilegedAccessGroupAssignmentScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentSchedules/Item/PrivilegedAccessGroupAssignmentScheduleItemRequestBuilder.cs
index 39c9a99299f..929a6b7a81d 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentSchedules/Item/PrivilegedAccessGroupAssignmentScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/AssignmentSchedules/Item/PrivilegedAccessGroupAssignmentScheduleItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleInstances/Item/PrivilegedAccessGroupEligibilityScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleInstances/Item/PrivilegedAccessGroupEligibilityScheduleInstanceItemRequestBuilder.cs
index 972536a093f..c0f4f29cc52 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleInstances/Item/PrivilegedAccessGroupEligibilityScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleInstances/Item/PrivilegedAccessGroupEligibilityScheduleInstanceItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index 6c39e734893..a8a7ca86db8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/PrivilegedAccessGroupEligibilityScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/PrivilegedAccessGroupEligibilityScheduleRequestItemRequestBuilder.cs
index 535a68a087e..59e361f51e0 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/PrivilegedAccessGroupEligibilityScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilityScheduleRequests/Item/PrivilegedAccessGroupEligibilityScheduleRequestItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilitySchedules/Item/PrivilegedAccessGroupEligibilityScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilitySchedules/Item/PrivilegedAccessGroupEligibilityScheduleItemRequestBuilder.cs
index 9f4d566faa9..7163a47c78a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilitySchedules/Item/PrivilegedAccessGroupEligibilityScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/EligibilitySchedules/Item/PrivilegedAccessGroupEligibilityScheduleItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/GroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/GroupRequestBuilder.cs
index 1b8b26559d4..4f80306c6e7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/GroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/Group/GroupRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/PrivilegedAccessRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/PrivilegedAccessRequestBuilder.cs
index 4c52acbecd0..324f959022a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/PrivilegedAccessRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/PrivilegedAccess/PrivilegedAccessRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
index 5e93478c120..d10531ed1b7 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/AgreementAcceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
index 7e0882a33d5..4d0c86804b8 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Acceptances/Item/AgreementAcceptanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/AgreementItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/AgreementItemRequestBuilder.cs
index 13700a25201..d71dc4fd232 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/AgreementItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/AgreementItemRequestBuilder.cs
@@ -76,8 +76,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an agreement object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/agreement-get?view=graph-rest-1.0" />
+        /// Retrieve all files related to an agreement. This includes the default file and all localized files.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/agreement-list-files?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Agreement"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -141,10 +141,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an agreement object.
+        /// Retrieve all files related to an agreement. This includes the default file and all localized files.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -202,7 +203,7 @@ public partial class AgreementItemRequestBuilderDeleteRequestConfiguration : Req
         {
         }
         /// <summary>
-        /// Retrieve the properties and relationships of an agreement object.
+        /// Retrieve all files related to an agreement. This includes the default file and all localized files.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class AgreementItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/FileRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/FileRequestBuilder.cs
index b3ec2d471a5..9808074ddfd 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/FileRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/FileRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
index 37c155a5394..355f551b74a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/AgreementFileLocalizationItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
index 074b4675431..b4f5a78ad7a 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/FileNamespace/Localizations/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
index 9b731601fd1..2a72fb59549 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/AgreementFileLocalizationItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
index 271ba97d210..57fbddc0d43 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/Agreements/Item/Files/Item/Versions/Item/AgreementFileVersionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/TermsOfUseRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/TermsOfUseRequestBuilder.cs
index 886a6434e09..4080154a15c 100644
--- a/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/TermsOfUseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityGovernance/TermsOfUse/TermsOfUseRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskDetections/Item/RiskDetectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskDetections/Item/RiskDetectionItemRequestBuilder.cs
index 49523bba1d6..621dbf8fa07 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskDetections/Item/RiskDetectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskDetections/Item/RiskDetectionItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
index bb4fe87c3b8..054ddd76104 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Dismiss/DismissRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Dismiss/DismissRequestBuilder.cs
index 3cb93eab234..67c25a9f4ce 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Dismiss/DismissRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Dismiss/DismissRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/History/Item/RiskyServicePrincipalHistoryItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/History/Item/RiskyServicePrincipalHistoryItemItemRequestBuilder.cs
index 95661254bc2..f3532297e22 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/History/Item/RiskyServicePrincipalHistoryItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/History/Item/RiskyServicePrincipalHistoryItemItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/RiskyServicePrincipalItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/RiskyServicePrincipalItemRequestBuilder.cs
index 9d5535f04a1..366ccd578a5 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/RiskyServicePrincipalItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyServicePrincipals/Item/RiskyServicePrincipalItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
index 08efca6c64f..ac80ce38176 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmCompromised/ConfirmCompromisedRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmSafe/ConfirmSafeRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmSafe/ConfirmSafeRequestBuilder.cs
index b96dd9eb802..8fa2ce5ab5d 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmSafe/ConfirmSafeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/ConfirmSafe/ConfirmSafeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Dismiss/DismissRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Dismiss/DismissRequestBuilder.cs
index 83f92b10d27..a2043818114 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Dismiss/DismissRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Dismiss/DismissRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Ident
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/History/Item/RiskyUserHistoryItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/History/Item/RiskyUserHistoryItemItemRequestBuilder.cs
index 3fef66d6a41..26ab8dfc091 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/History/Item/RiskyUserHistoryItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/History/Item/RiskyUserHistoryItemItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/RiskyUserItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/RiskyUserItemRequestBuilder.cs
index 028a4209e9c..d6e5a2f2b68 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/RiskyUserItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/RiskyUsers/Item/RiskyUserItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProtection/ServicePrincipalRiskDetections/Item/ServicePrincipalRiskDetectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProtection/ServicePrincipalRiskDetections/Item/ServicePrincipalRiskDetectionItemRequestBuilder.cs
index ad9a08b4b5c..9b9ad1501f1 100644
--- a/src/Microsoft.Graph/Generated/IdentityProtection/ServicePrincipalRiskDetections/Item/ServicePrincipalRiskDetectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProtection/ServicePrincipalRiskDetections/Item/ServicePrincipalRiskDetectionItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/IdentityProviders/Item/IdentityProviderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/IdentityProviders/Item/IdentityProviderItemRequestBuilder.cs
index 1a8a8ec8c65..9fbfc0520f2 100644
--- a/src/Microsoft.Graph/Generated/IdentityProviders/Item/IdentityProviderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/IdentityProviders/Item/IdentityProviderItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/Results/Item/ThreatAssessmentResultItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/Results/Item/ThreatAssessmentResultItemRequestBuilder.cs
index 729a48a5e10..266df5b8415 100644
--- a/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/Results/Item/ThreatAssessmentResultItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/Results/Item/ThreatAssessmentResultItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/ThreatAssessmentRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/ThreatAssessmentRequestItemRequestBuilder.cs
index 429b34ebca2..e214c5fee4d 100644
--- a/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/ThreatAssessmentRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/InformationProtection/ThreatAssessmentRequests/Item/ThreatAssessmentRequestItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
index 263861e9a68..48e8c21df21 100644
--- a/src/Microsoft.Graph/Generated/Me/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Activities/Item/UserActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Activities/Item/UserActivityItemRequestBuilder.cs
index 9aefdfc2b6c..d64bb0bb71f 100644
--- a/src/Microsoft.Graph/Generated/Me/Activities/Item/UserActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Activities/Item/UserActivityItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
index 421f91ce204..39af65a182e 100644
--- a/src/Microsoft.Graph/Generated/Me/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/AuthenticationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/AuthenticationRequestBuilder.cs
index a6b51bed7ec..b03536ad812 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/AuthenticationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/AuthenticationRequestBuilder.cs
@@ -186,6 +186,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
index c1e1714acb9..f092d0573b9 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
index da90c8122bf..65be8b6c7f5 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
index 64ee2bd10fb..cb240e0c0c8 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
@@ -101,6 +101,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
index 3b3ea21d672..1f31d0c6f98 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
index aeb0bc7c83d..828c1bd9eec 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
index a09b8599073..ef765a2cdac 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
index 94f008a4f69..a4699fa80c8 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
index 98505759150..d25a2d659e2 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
@@ -102,6 +102,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
index cb1028c9f67..c1a820c9e72 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
index 3213c234d68..288cfdc2f78 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
index 9bcd1eb2438..db7b318a234 100644
--- a/src/Microsoft.Graph/Generated/Me/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
@@ -101,6 +101,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index 2e05bdaf282..8a1f11304f2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 6cc8257041d..38eae39f2a1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f0337489e03..ddc090ff751 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 7f936448f13..baaaccba94c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index f2a787b039a..89d7214332f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0c39ad5a825..0c2ef4849d4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 132af2564a6..4634d8452f4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index c914aac411c..7ad131fc50e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index d26fe94e378..b23c319f3b5 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index c9e364856aa..f7de4dbd35b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 820c9946188..87f3e4643b7 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index b9ba88c122c..667f0364d6c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index ec77725b620..66e8b295f96 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index e34301f4326..e64602187e4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 2f05a712015..64ea05f94fd 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 6d9ad937539..9c0de8eb9dd 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 42bfdd77c54..aa76f158d3a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index d67278d79ee..01bf85ec508 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 3f0cad8c780..8185cf9054f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index f8ce3403043..9f9952ea478 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index c154d16357a..9f87ff4c72b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index c3cefa01546..389fedce21c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 72db90c803e..38f6320eb6c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 3bbb7eabfd5..8011ee7c969 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 1a29e9cf895..ed4df6d04f0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 4d8d0793eef..82979440b26 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 60427ddab83..e3eb1f456ea 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 94b653a3d1d..b95497f565f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 72b73f02be2..2640ee360bb 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e8bd5ffd5d4..b8933916a85 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index c8236a89e27..a43041b6b36 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index abbf9dfc1a0..a38535df0a5 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0ed0e2ac0fa..7bae643fa5e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index b1ef50140e2..cbd36fe732d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 32dfb42e927..8d66284ea53 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 698fc7242f4..812b821892a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 618c56a697a..67b8377ab71 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0a3b3f3d4d4..99ce818eb61 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index f76b4a7c557..bda6afe67d6 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index cc49ad21107..cf8ebeea988 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index c065c01213a..7be5a69c984 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 86a91f1a609..dccb11890f0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 364cd9a920c..39d4fe71eff 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 27db74d28f2..55fe7f67808 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 953696fe230..a5a18fc4150 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 96497708100..85bcb3b9bb1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ca3116541d8..e0f0d5b5a9f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 0259cdda498..ec4457d7a1a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b5b41bc13dc..ceb4180e0a0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d45834abcb4..c19313a46ad 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index a0d8b707e18..5e333e009de 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
index 6f83ba6d5c3..00c1eea3b05 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e08392104d9..0c751321306 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
index 6d23497f62e..32bc032cc08 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
index e7a2f5e52ad..d295384da09 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index fceaa1524f7..ce4e30999ff 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/EventItemRequestBuilder.cs
index 1c41b950070..68235e71e44 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 8ff047c48af..a810d830490 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 830bf847a35..ae7e004f1c9 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index b5b0c13b1ab..8daa25a87af 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 344d4d5b1e1..9d1bcb5716b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 4e9370850e3..66ea0d2afef 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 732c0e6e74c..1c45b8e40e5 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 86d96b9cb62..411e9bfae78 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 342601bdb6a..4395f386b9a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 5ee51d804b3..04e25c76886 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index f0c5296aa99..e2b2fb635ac 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 866a7800573..456f8b45a60 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 109d0553b9e..30f68ffd25e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 27e35aaf719..ab6770d3cbe 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 2228b589f10..67780f62521 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index bed7576f41c..1d5af8ef6e2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 1ad32e48bfc..f80ddb21619 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index eb1762817df..0a40a340fa3 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b9473a8b433..5642912f276 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 076bcd536f3..a9e9a8a1366 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 63028c15a8a..01be33e1e87 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index f19d5bcf0b9..e43b2dba5ce 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
index c9fe2fb25b4..bf71b35e71b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 37dd052ec79..df134484d95 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index c622c2618b8..acd69677f2f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 7419f32d809..02fdb6d36a9 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 320d5ecf4c0..6e9034e047f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index bd97f74f125..5090b025fbf 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 9f9ecbd6068..272c83cbe48 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 15aa2142e50..1afab33b2ed 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 53760de442a..670f4d80ac1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index fb36cba8ce1..dafdaa2702d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index ef6208ca684..7381d244735 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 406a597ac44..8d18a4f1b18 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 24785bd9abd..5f59eab0596 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9f3cf3348b8..ed9c95f130c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 7a19f45135e..bca748aa55d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 2718afab715..a9178a20ba0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 75b2c19bdc5..cc087e79243 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 6ba42fde8e3..bd359a7bfb0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e0b909062b7..d27a1437b48 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index c915be945fe..c14f6b1402e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 7c1c1381316..15d78e5d224 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0c12201468f..d1290037c34 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 9e4a44f5b09..d43bf69e775 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 45abf5ac780..b4400e2d3c9 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 4b8cf5d407d..5cb88c9f86c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
index 0a77109f717..726c4ff89c5 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
index c56b1864b0a..c6000d4e3ed 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
@@ -161,6 +161,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index e3ff39d6dce..f1c163177b3 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 4cad7f47d61..c8c3df9a7d7 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 2bacab5e821..80fecdd068d 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index dc6fdfb5faa..88617f11a1b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 7d186bfc64d..680abafc099 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index dd09b176080..2ada0dcf6d6 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index fb5973170cf..efc695bd220 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f1b115118a0..31660635554 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index bba005859e7..90198b88778 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index e54b01a1d04..4a42450586c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0d6e89628d0..5bc96e09082 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index ec2b144710a..36dbb905643 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index c13614eda4f..731b2066c96 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 0d6e258ce3b..f524325d816 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e0af088ce2f..671176f05c4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index e76e94b6265..0f9d78e21c1 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 23e145b0d0f..1ea9dac6764 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 093739d2eb1..32e7e88dcc5 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index b90abaec849..7d1922e54d1 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 9273e94b693..8df5f84fabd 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 77193b33f60..d3afcc09c3b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ae90e752256..74a1f4a93ce 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 5fa7215c8fd..6822ee0bdee 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 6109978ab52..254396f960c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 08e3b4a95fc..e3a60fa1b80 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index ec2bd205b1e..3491f96f78b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 4ff4105f46f..eb4627a552c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 711e8a46b94..eae851b935b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index e70d40f45e2..57b157f5345 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 517ac502fce..5170d5b0ce7 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 7f170d138f2..09fd934dfd4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 30a8a12088e..5cd5c6ed923 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index a0d50d4bfe4..fd2f489f36a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 02841e5f365..7fd5629e440 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 0eb6e12be15..64d5636e5dc 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 4bd1655fa6f..248d85d05b8 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 0877989214c..73a5e1a1ddf 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index acca008a213..eb920b6ed7c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index d346f7298d4..5cc96fc81d7 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 1248e5d51de..e7d579659e3 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e3d7612e0b3..979db20a537 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b5887cb6057..d9dd69602c2 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 98cfa2fb7b5..95331b17314 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 253adc8261c..529faf8f2ac 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 4b1114fc0ee..402676ec96e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0bf958a9ef4..bc50746e717 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 857e6de1b86..4a88488038b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 2efad0077dd..ed76ea0a2ae 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index fa2a2af6178..75a0b74c819 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index dd0e74816e1..6e291ea9c9b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index a200ab11783..56dc3acefcc 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index aee24c80913..883c6d791dd 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a9d946eb650..f03a8523551 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index 6e62b48dc7d..a8aa94fd715 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index 5109cbac0e7..2812bacab8c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index c23e6bd6d4b..fbcbcb46492 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
index 6dd3b434cff..69d8c3d1cf5 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index cd9d55f33c5..6ffb748137a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 2b4fa661636..dc31d46f13c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index bd56d50163f..22262964443 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index a8880810bc7..97df3729120 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index e0627542a5e..7bae54cd490 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 903ad51a0a6..dc69fe246ce 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 5925e219333..c7b79c1d0bc 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 6000af7f250..99c865cab2f 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index bac795f0202..14c232d4438 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 9ec3c7523e9..5244f3d6d56 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 8c6345278f7..e43d0a0b45e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 9e037c6f58b..21ba3d303d8 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index bb16a45bf3c..9f59e5bbdd5 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 242c9460c6a..ae7ec70b066 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 3e03081ef53..7c297663fdf 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 4b521373371..6f10336760b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 9096d18437e..a507ad5aab4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f8250341a81..8b08f74401d 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 2dacf9b8854..08790e49e19 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 4273d3aa94d..8ad214a1601 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7690dae8197..4bbe78bac17 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index 4522442d1c3..11bf5f16434 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 7b52d0bf141..fa8bc1caa59 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 071cc9cbf6f..e7636f9392b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index c650e9d6782..eba594c9014 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 43032a577b1..4051f058924 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index e123d351202..a7dca7117ab 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index b380235d8f7..aaa4b550980 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 00b79e56452..66f506f4dc2 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 353ee4d8993..cc6d4b61af1 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index efd5d0a104e..38fc69734a2 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 6f188f5ce26..f8c8fadd333 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 1b91ff68f57..18d629981b4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index f627426d82f..412ee274c67 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ef3f76fbc6e..c85f3725432 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index bae418b7b7d..f4beda1d10e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 7d3718fce39..969cfd064c8 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 810c3f81f6e..f6da542097f 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index d434ee36f4d..95c315134d4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index d2fcf4025a8..0f63a64278b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 31a231ec29f..6e26c069104 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index bab31be51b0..aa913843de3 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 5d234d50994..436b40b1746 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 6dd5dbfdf20..3a1457966f0 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 20ff008f3cb..f51ed1d787b 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8bf6cb43c55..1624a2dd97f 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 9aaa2bd67d0..e28b2faf3db 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 25d92c765c8..7c959f5654a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index efe209dc0ff..40684a383e1 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 1f32897c0a1..fb8d14576fe 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index f8498323ffb..4a23bf664c7 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index aefc590ee5b..0dc6962c983 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 98621597c7b..6999bf5916a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 0f98a0c223b..ddd120efdbd 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 644eb236c60..df0a057218a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 19a50438560..7e10b3c4e57 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index fe790189584..106a241f485 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index cc281b5bbd3..8395e47911a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 541d4b05442..2187d3c8a96 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 59295bd751e..bfbd61fc351 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 41879d19fbf..797b5844bcc 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 8ffd25cff18..cab808cf204 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index a84ea3590d6..b4380db098a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index cbc996fb98e..8561ce6f770 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index a2ec7ae2dfa..450b6b01bb3 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8e6ece7d9d9..ccbd4546a9c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index a215b0debcc..4d50f2b075a 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 14b69bca9f3..c0fad38ad70 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index aea86aa1bd2..74dbb8e86f4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index dfe853d4fa4..0d1e26c705c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 120859e1fa7..370e68cd1f4 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index f818d5b1745..6c3d133fe9e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index cf840376295..529be26b5d6 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 94f3f28dc89..bdb5216f230 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 1de5a463cac..c58d50c9cd2 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index e3e7839e135..9a6d6ea866e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 7be389a791e..322ba7f0e21 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0754e63b7c0..96337f13d6e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 06bff614bcc..37fa2da437e 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index fc0831f7510..c8390916f11 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 7d786bf4141..5e657a14876 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index a9a071f35b3..7234a000191 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0b2fc8f01ca..aab89bc6385 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index b1a5768605a..2a5644173e9 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 6ed4228512e..e9ea69acb9d 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8cf4d4d2e08..f703704a6fe 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 07b750c8562..66b71619a46 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 8438e3b7cab..f81e7ea3f46 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 20ffcf6a8d2..c66c6581c10 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index ce196e73207..a090f87a932 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 55518e41ea2..e90781dd2a1 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 3be48f5d17f..bba3a3bda7c 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index da35f84e32f..62cf4d4b8c3 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 35bc440dcf0..43fb3b2bcdf 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d7899b6ca94..1274f03f118 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 7cbd7a61a71..6c06e495a54 100644
--- a/src/Microsoft.Graph/Generated/Me/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarItemRequestBuilder.cs
index 1ef3544ef8a..9861a772838 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarItemRequestBuilder.cs
@@ -161,6 +161,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index eb9eb76bc4c..e5ecf538e43 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 11891662e7c..15b13e4972c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index fa2022c5482..a1d7ca77467 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 4e4812b0f55..a6345b0473c 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index cd16d377bb7..1714d2d561f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 592587147b9..291fa65c8e3 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 104b018bcda..8d68a312889 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 8a533fac27a..c38b7ea778e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 25965e98888..066e5e90064 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 50e15b2b2f0..bd4c396fa14 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 0948faa84d5..a3331fb9b59 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 0b8b0194625..de91c065178 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 9e65ab9f4e6..aa8bd246d08 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index a7d0056e971..a156d6b0d3e 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a2fbcad6544..2f5d7bb0acd 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index a10f2b9d6ef..5811a1eea1b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 5d5f420dd8e..11f7676841d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 1ba88dc1b6f..c973fc4a53d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 4fcc6c4eae8..9df55bc1506 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 70fb68109ce..1454a54a2fc 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 2813dba6f65..7ab3ab49927 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index bc27397f887..f884dd40b12 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e294a5775dc..ca22dfedf1b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 5ad6c123671..d5d895a5d4d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 39a5e9088d8..a928b6a470f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 81ad13d9350..17f8f939249 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 41342960c66..a0adc42a6de 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 55d7014fc3c..fbfe5c4fded 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index d6ae63815c6..9666d0b2d02 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 808122008d2..82344d8c8d0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 8f7de1f72b4..f3ad762b72b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 5f8656f229d..696f48ed18d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 7f22fccfdf0..5fb912db99f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 800ca8a879e..10f9427a56d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index c5dcb47fc97..3a3c2ec9b62 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index ec01b7b1cae..a582b77f55b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 2cb96a6db9f..aa2733f60f2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 922468cf8d5..e17f30924a6 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 58c3dfd7915..e61ae7bebc2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 622730a8370..33ba54ff83f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 039720086d4..ca76e2ab433 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 4b05e5866a1..135687522e3 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index f57de32f812..e573dccb1f8 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index e718f265c9e..fe650f3523a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 1cc6c6488a9..0bfd2d77933 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e4f3fda52f0..1765945446a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f3c635bd1ce..29918946efc 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 981bcc141c5..ed88f1d6762 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index d4d42fff32e..f4375522d0d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 71ddd7b0694..89b6c1af9d9 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 37b7471ee93..88a18923d77 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index eea01ef9817..3264b59eadb 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 46f22f8ccd0..32c93c87d1d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index 102adfce4e7..37b6a242bb1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index ad1b9365ba4..019e68d02f3 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 8c27483da9e..33422086f22 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
index d3cf9d33296..1532cb7eaa0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 737813d18c5..9faccb2b5b1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 9f7e8fc96d5..108bfae3e1f 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 52575f17298..12488f12c3a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 34c5cb0851c..82fc0464cf7 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index c210176cd87..2aaa98f0008 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 3898c160df7..65db16b1c14 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 53458079390..3a0ea4092f6 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index f4b6ac557a8..5d94e43b755 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a17aca65172..f17ce2a35f4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 4cfbdccd650..46c8857ea60 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 83f05ea2483..29c803b9d18 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 6d948d49a57..28f3c8a83c4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index b056665052a..9f645f9dd43 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index e9980905e34..eb56a98d8d3 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f405337b493..e528155e234 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index a0c21dd245a..fa72e841ffe 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 5a588baa79d..ace547aa799 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 5d58e7401b0..88e4bf44319 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d219e9ef4b0..eb128cb8fd1 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 2c4142e178b..9d1613c2ad5 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9a29686fded..8878553bff0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index e24ff44b4c0..7bf16764ecd 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 28ae4c2a19a..8b620b880bf 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 733544a8faf..47a753d4291 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 53f8eec5c10..683b15f17fb 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 94a95194f09..e933b6304ec 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 4bbf660ea45..aa0ee7c9dfb 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index a7a96943b17..605e6a3ffd0 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 34d46f27e2f..d0a7b8d2085 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index ea2f1604ecc..4826bb9bd2d 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 63de8dc83b9..cb2bb28ba19 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 978755ef2ce..2a6708c70d2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7ef51b8d522..b7b869007c9 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index bce044d8e39..93ca5f08f7b 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0aa7bb8ecfe..d63f7e33671 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 18279854519..2b5870c16ad 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index f3556e4a7a1..f9b8758f213 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 47ed183b04f..7cb974ec4f2 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 8ba49e652aa..5922e2371bb 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index d5e779bd89b..33a23d3f8d4 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 11f57d088ab..a06150db015 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index a5c8ca901f2..c85a8a1c860 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b54ecc40c28..8885ea25a57 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index e01e103f87c..4aa3614ede8 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 71aff3f229b..22e25663f52 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ca
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 4eb2a22f48a..ada03ab919a 100644
--- a/src/Microsoft.Graph/Generated/Me/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ChangePassword/ChangePasswordRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ChangePassword/ChangePasswordRequestBuilder.cs
index a5f5bcca66a..1d6edfb448e 100644
--- a/src/Microsoft.Graph/Generated/Me/ChangePassword/ChangePasswordRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ChangePassword/ChangePasswordRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
index e28a4109c6c..bbc5b43f3f2 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
@@ -34,7 +34,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
         {
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesGetResponse"/></returns>
@@ -58,7 +58,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesGetResponse>(requestInfo, global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesGetResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesResponse"/></returns>
@@ -83,7 +83,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesResponse>(requestInfo, global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -111,7 +111,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return new global::Microsoft.Graph.Me.Chats.GetAllMessages.GetAllMessagesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class GetAllMessagesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/ChatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/ChatItemRequestBuilder.cs
index 6dcfd3aa581..1629f0223fc 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/ChatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/ChatItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/HideForUser/HideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
index 5ab16fb571b..d485b306696 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index 2635cb03bf9..c90f1c42c14 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index 7bf4b39b3d7..3d963a8ff9d 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
index 05d1f75e260..cc625573ed7 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
index a9fe1ee2033..0fbca6dc78d 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
index 2d071a4e835..49af9122071 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 72cd39cb1ea..ffa2ac0d4f0 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 91470d85d3a..9025493f668 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 50a0834c2fe..3b310d29ad1 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 5c1fec98e9a..97159563225 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index ec9893851d0..f10d45dd246 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 62f32da8aa4..ca85e13a14f 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 578ad3e3341..346dd86569e 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index e4055e8fcda..3f715e50e47 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 1d790c93c23..91693e54bd4 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 0e40fd031a0..bc86e9f0137 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 5c6647a3017..12e4604ebf6 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index e52ca84a458..1f68b5c904b 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index a549f433885..d64881f614a 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 86a465d32e2..7d49d62645a 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 163449b6359..29984e7c26c 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 78c443a8379..808559fc21d 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
index c6dad3c8825..78fc9571969 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index b6d248ba18b..05e22f3bcba 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 6a7d7c1130d..1562685fe5d 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
index b2f23e73500..b57795c7592 100644
--- a/src/Microsoft.Graph/Generated/Me/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ch
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/CloudClipboard/CloudClipboardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CloudClipboard/CloudClipboardRequestBuilder.cs
index f92bda8757b..72b7927e122 100644
--- a/src/Microsoft.Graph/Generated/Me/CloudClipboard/CloudClipboardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CloudClipboard/CloudClipboardRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
index 384660bc193..050b6672e9f 100644
--- a/src/Microsoft.Graph/Generated/Me/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
index 4e641adec47..e4e4c9df6f3 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
index e1590dada72..6557ba42f7b 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 8d99e279911..bb25527e16b 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 72645a45d62..a1ab9363aa4 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index 4eb4062fd61..f2bcc07a629 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b10b0b21014..5aacfe8534a 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ContactFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
index 567de75b779..dade64f1671 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
index 52ac4495e41..ae42b629bf5 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index a728ec2ad9b..d57eb3b0a81 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 295031743f3..85688cc2de9 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index 23860f6b029..a21a4f67158 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0d9a3b55a5a..af126bb24f1 100644
--- a/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Contacts/Item/ContactItemRequestBuilder.cs
index e60175f8bfb..ee5a232b358 100644
--- a/src/Microsoft.Graph/Generated/Me/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Contacts/Item/ContactItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 48e48bcb0e7..16d68b10b77 100644
--- a/src/Microsoft.Graph/Generated/Me/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 4c51b7af41a..de8b5fc6573 100644
--- a/src/Microsoft.Graph/Generated/Me/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index afdb9e72ea3..846a3e773fd 100644
--- a/src/Microsoft.Graph/Generated/Me/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
index 5b85cfe59c0..1f3d64b0cae 100644
--- a/src/Microsoft.Graph/Generated/Me/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/EmployeeExperience/EmployeeExperienceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
index 34e4df0df53..7d755bc0acd 100644
--- a/src/Microsoft.Graph/Generated/Me/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
@@ -137,6 +137,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Accept/AcceptRequestBuilder.cs
index 5808e260042..007967d0e89 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index de6ad130733..8f798ff686c 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Cancel/CancelRequestBuilder.cs
index 550a2195d94..bd4da95a101 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Decline/DeclineRequestBuilder.cs
index 14a494c3215..c053113bc49 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index f15b83627d5..7d062319836 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/EventItemRequestBuilder.cs
index fe5bb34da4c..da0bd2f7e7f 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/EventItemRequestBuilder.cs
@@ -201,6 +201,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index f5817a5c0e8..8307d65ca05 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index caa4972b677..fabfdfc29aa 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 4ee3527b700..0e311f47d4a 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index eb1d4fa3288..7217a9358d0 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 9296ecb553c..987d3b6fd53 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 0efff182972..202b36cf379 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 09f7b052de8..89d63cf5137 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 073fd26dc7b..197c0ae4fec 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index de63cdb72d5..faf8a3734fe 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 9d1eb5ba9dd..f82779b597b 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 64dfeedb52e..07f36398861 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index d2948d38fc6..7c2efea3df3 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 948c6e67b80..cc662ddd356 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index cdcb001c5d4..a08e8ba4f2d 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f765338acde..6e6b03bf89d 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b743c100548..2bdf4bf3bb2 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 78488ecee95..291240e1271 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0a7e8f9102d..14e1a358295 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 49bb2afbdbc..c7aaca6289a 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 250c02e6133..2e42b8e8664 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9f9eaf83b6c..ac0c74cb993 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Forward/ForwardRequestBuilder.cs
index e149a4af383..737763676ac 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 8dbe64e8e21..f0da3ee57f0 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 7328fbbeda7..ef141d3393c 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index b1ac5a37303..87e51a32e7f 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index f8c88b18307..b7bffc9b27f 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 5503f2a383d..8cbdf0dfe15 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index a115e7e8c4b..6cfdbf31d17 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 3612f632a47..0bf24e5e789 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 275f25be6cc..a83e535661a 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index fc07fcd70f6..3951b6a00b3 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 7d54b772ff1..c476def8cd3 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index a8f92398a9c..ce18461c0cb 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 0f05537e634..9b75abef3c3 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 1f59e886376..e1ed95834ec 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 3183d997f96..f1682535ca3 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 67a7c0ad66a..5d598670b45 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 2bb0ba8bf9b..ef9c6d9403c 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 0658461f87e..a8c5cb15a5e 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ef6d8fb1f12..acb2c7b4c8c 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 1fea7b345a7..7a06a3b7c30 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e7de052967f..a5621548871 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e3b9891c054..8387e53ad0d 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ee71ae9eba6..7d885664961 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 80ef25bad85..cd3fa52ea7f 100644
--- a/src/Microsoft.Graph/Generated/Me/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ev
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ExportPersonalData/ExportPersonalDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
index 33dfaa71b04..550bb98c501 100644
--- a/src/Microsoft.Graph/Generated/Me/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ex
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Extensions/Item/ExtensionItemRequestBuilder.cs
index 2ba67f5202d..a5fb5daec89 100644
--- a/src/Microsoft.Graph/Generated/Me/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
index d1ea31af156..390dd922487 100644
--- a/src/Microsoft.Graph/Generated/Me/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Insights/InsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Insights/InsightsRequestBuilder.cs
index da21721dfa7..19a01c42cf0 100644
--- a/src/Microsoft.Graph/Generated/Me/Insights/InsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Insights/InsightsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
index db29cb5c33b..da214a7d420 100644
--- a/src/Microsoft.Graph/Generated/Me/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Insights/Trending/Item/TrendingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Insights/Trending/Item/TrendingItemRequestBuilder.cs
index 2cdc659c673..09a70598683 100644
--- a/src/Microsoft.Graph/Generated/Me/Insights/Trending/Item/TrendingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Insights/Trending/Item/TrendingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Insights/Used/Item/UsedInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
index b7948bdad55..e5b756f1693 100644
--- a/src/Microsoft.Graph/Generated/Me/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
index 221cce69085..74ef3a68349 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index 94ef7810364..90a6627b510 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
index 82f3883ec62..f3f68be06ec 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
index 1fece8b6910..9759dedcd20 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 013d1a63939..3bdba6e40aa 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
index bb6c735e020..8e689639096 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 30ae4c1f8a4..d9a6344d8d0 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 3e46deb6aef..9cc5d0e0ad8 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index ed2601e3795..c58d69b0aeb 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 663a4a4c921..54a94663a1b 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 182ca5945b8..f9731e93f1e 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 2e8050865f5..a9be2cd3917 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 1a2cab226ce..e85c1518985 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 020537fc8fe..fe835721482 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 201daad5502..3e4998b10ff 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 94bcaea14c5..f99759c441c 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index e44bbcc2e05..d658c689f2f 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 2c2da9eabde..3b27ea290af 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 536e8d5664a..39edef8dd6a 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index ed8ec98e218..73cfe57503d 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 908e7075d7c..f3b967c4348 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
index 49f787a4181..242f697edbe 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 2f19b5768ef..f328955e55a 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 2ac14d7dc5a..62c9cd6595c 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
index de58e5c56bd..90c25654c3e 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Clone/CloneRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
index 5f65fa0867d..c6154b87e21 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index b1aa263f7b2..2e69829e0e1 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index ab20dfb22ce..f1ae7f6b38d 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index f7f32f9fa53..c7bd52a6d26 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 376cf4885d9..a2fce3c0b25 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
index e5cdcbfc022..0769521579a 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index f76f2826034..c4ca4a2c654 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
index a8af17b0163..1bebd9c1adb 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index bb044e8a2e7..23d4f5e72cc 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
index 7f204b94d24..6b00f7367e4 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 2798a11e5ca..54c1c5761b5 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
index 4f51e23bdcb..a7e0d1e16ba 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
index e2ad5f80f8f..e74c49c54c5 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
index 5c8e24a1a0a..32ab9300d85 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index a8582af6e2f..58926689daf 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 3ee9597183c..61c9c299a67 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index dece4695e4b..d5d1b3859a5 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index cae6aac0e76..e8bdf8dbd31 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 54bb3f7dfdd..b614d5ce1aa 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 088f56f6e2d..3d1f304723f 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index d5d942694d4..926579d034f 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 79beb44b125..6d473c310fc 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 4b5ed2e807c..e6b5bba9f69 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 0377715d179..d2927047995 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 8c0bbe0cf45..a2c0e66d03b 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index ff9a1ba424e..f470557e58c 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index c8d6fb8a568..15f2bc0c01f 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
index 7e71e49484e..d945c5d7db2 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
index 3cc0b5f0e69..dc4c364836c 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 21f87bb6f3c..e023bbf4996 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 7b3aaaabba0..a65d9378660 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
index 74deaa9cb18..9b2188c13c8 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
index dad13404d11..a212642e880 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
index 4f4ecde57de..f82faf415fe 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
index 4102a5baa1b..b76f8cec866 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
index 485c582ba0b..eb35bb1dda2 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
index 0c5ed3c5a80..4c0cfc24778 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
index 6203013413d..3f4ee0d9944 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
index dd9c47668f9..0932ceb4135 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
index cffb44b5ed3..ccb3ec9a0a1 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
index 7c0bf4349d9..122bb41e929 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
index e6c5ea8a171..22343b2d11c 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
index 2a0694166fc..3a9f68f2aa8 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
index 1f650a7559c..e368e40dd51 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
index dec6acd9d17..fff6b88f878 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 6981f4799c7..1d9e0902b9b 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Jo
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
index abf65011862..7244299d5d2 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
index be4b460ac55..a8d2eb07663 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/TeamItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/TeamItemRequestBuilder.cs
index ebcd2faa907..73ba1baaa9b 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/TeamItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/TeamItemRequestBuilder.cs
@@ -228,6 +228,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
index 06890364260..380ccde62dc 100644
--- a/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
index 8368cae9237..c0d9da0896d 100644
--- a/src/Microsoft.Graph/Generated/Me/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
index bfa6b514d2f..c31ed8df731 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
index 95ad78d92b9..d7bb0fa216a 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 83bd0a45b7a..ea5d78092b8 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index f02403b4880..561e49eb345 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
index 5de5ed1b408..f27373c5d03 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
index 9deb74c4334..3927683a856 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index d87fcc55a3f..efc5dbefe75 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
index d1bf7937075..7b2efb0c4f5 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index 4724d9aa64a..37ad4260f8a 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
index 9aee767b1c8..d7d48ae76fc 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
index 3c185b14f03..0d03f34f9d6 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index a5e7112a513..337790d23b1 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MailFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MailFolderItemRequestBuilder.cs
index 3e53addd494..fa2b5425f69 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MailFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MailFolderItemRequestBuilder.cs
@@ -159,6 +159,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
index 207535ed7bf..c6f9359f90f 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f7bfdf0e7d4..ba79156c350 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 262fedf3f9d..4cefae011ad 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
index acd81f98acc..24f20174866 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
index 213ddd3c562..6a4ff0ac3db 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ff7d1709b7e..de9dc547574 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
index 0de6fe2e2b0..6e3255a8139 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index 627f81eed8c..4a5c0a79157 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
index c381a76241e..9ef6ad9a894 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
index 9890e16dc2a..a932613808f 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 418d3d0a836..3d113ae670c 100644
--- a/src/Microsoft.Graph/Generated/Me/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
index ae05dbe5c28..252e697d60d 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
index 69f2efdcfe5..24b118ba1e5 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
index 8c68d4772d8..ef1c3be9601 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
index 4a0b968c826..efb107d7e45 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
index 6002ca54d54..c84f67807c0 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
index f51d2e39b2a..0bfb201864b 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
index ba60e1b908f..a1388299832 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
index d1103ada57a..d37ceced923 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
index 6297647b411..f2a7f78fab4 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
index 4347c530146..e076c5523e4 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
index fed96995c62..d7c047105e8 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
index fff3a2eef34..459407f8da8 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
@@ -264,6 +264,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
index 17ad1182bce..a5d101b72c2 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
index 8939e2c1953..fbcccd1517e 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
index 9fd1aa6df8c..0e0d98a5f16 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
index 09dd6655f67..99301562c2b 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
index e6c3fdb2b6d..62ac55b04e0 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Retire/RetireRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
index 1af79bf91d4..09410e3af5b 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
index 965ca9093b4..57189f0d14a 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
index e0c945fb74d..a8d8c384b29 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
index c774bd0119c..fb74ebcb8f5 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
index e9f8d78c890..103700e13e5 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
index 8367b1daec0..5025c429232 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
index 8cf427bc23b..3bfb1a741fb 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
index 395a9b5a317..3110290ece3 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
index f59ec52aedf..01a77d2835c 100644
--- a/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Ma
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Manager/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Manager/Ref/RefRequestBuilder.cs
index d508033b96e..5aa74b4505a 100644
--- a/src/Microsoft.Graph/Generated/Me/Manager/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Manager/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/AttachmentsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/AttachmentsRequestBuilder.cs
index 0d6103aea33..56356aa0d5b 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/AttachmentsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/AttachmentsRequestBuilder.cs
@@ -60,8 +60,8 @@ public AttachmentsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
         {
         }
         /// <summary>
-        /// Retrieve a list of attachment objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/eventmessage-list-attachments?view=graph-rest-1.0" />
+        /// Retrieve a list of attachment objects attached to a message.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/message-list-attachments?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.AttachmentCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -84,8 +84,8 @@ public AttachmentsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.AttachmentCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.AttachmentCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Use this API to add an attachment to a message. An attachment can be one of the following types: All these types of attachment resources are derived from the attachmentresource. You can add an attachment to an existing message by posting to its attachments collection, or you canadd an attachment to a message that is being created and sent on the fly. This operation limits the size of the attachment you can add to under 3 MB.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/message-post-attachments?view=graph-rest-1.0" />
+        /// Use this API to create a new Attachment. An attachment can be one of the following types: All these types of attachment resources are derived from the attachmentresource.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/eventmessage-post-attachments?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Attachment"/></returns>
         /// <param name="body">The request body</param>
@@ -110,7 +110,7 @@ public AttachmentsRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.Attachment>(requestInfo, global::Microsoft.Graph.Models.Attachment.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Retrieve a list of attachment objects.
+        /// Retrieve a list of attachment objects attached to a message.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -129,7 +129,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Use this API to add an attachment to a message. An attachment can be one of the following types: All these types of attachment resources are derived from the attachmentresource. You can add an attachment to an existing message by posting to its attachments collection, or you canadd an attachment to a message that is being created and sent on the fly. This operation limits the size of the attachment you can add to under 3 MB.
+        /// Use this API to create a new Attachment. An attachment can be one of the following types: All these types of attachment resources are derived from the attachmentresource.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -160,7 +160,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Me.Messages.Item.Attachments.AttachmentsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Retrieve a list of attachment objects.
+        /// Retrieve a list of attachment objects attached to a message.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class AttachmentsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e71ed2c0651..559fa78ca82 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index bda49ba1011..872b5c370d2 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Forward/ForwardRequestBuilder.cs
index 9ee0ffa3351..7fb7f2601a3 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Me
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/MessageItemRequestBuilder.cs
index c0fd10487ec..85e53a958e8 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/MessageItemRequestBuilder.cs
@@ -113,8 +113,8 @@ public MessageItemRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
         {
         }
         /// <summary>
-        /// Delete a message in the specified user&apos;s mailbox, or delete a relationship of the message.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/message-delete?view=graph-rest-1.0" />
+        /// Delete eventMessage.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/eventmessage-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -136,8 +136,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get the properties and relationships of the eventMessage object. Apply the $expand parameter on the event navigation property to get the associated event in an attendee&apos;s calendar. Currently, this operation returns event message bodies in only HTML format.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/eventmessage-get?view=graph-rest-1.0" />
+        /// You can get a single resource instance expanded with a specific extended property, or a collection of resource instancesthat include extended properties matching a filter. Using the query parameter $expand allows you to get the specified resource instance expanded with a specific extendedproperty. Use a $filter and eq operator on the id property to specify the extended property. This is currently the only way to get the singleValueLegacyExtendedProperty object that represents an extended property. To get resource instances that have certain extended properties, use the $filter query parameter and apply an eq operatoron the id property. In addition, for numeric extended properties, apply one of the following operators on the value property:eq, ne,ge, gt, le, or lt. For string-typed extended properties, apply a contains, startswith, eq, or ne operator on value. The filter is applied to all instances of the resource in the signed-in user&apos;s mailbox. Filtering the string name (Name) in the id of an extended property is case-sensitive. Filtering the value property of an extendedproperty is case-insensitive. The following user resources are supported: As well as the following group resources: See Extended properties overview for more information about when to useopen extensions or extended properties, and how to specify extended properties.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/singlevaluelegacyextendedproperty-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Message"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -186,7 +186,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.Message>(requestInfo, global::Microsoft.Graph.Models.Message.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Delete a message in the specified user&apos;s mailbox, or delete a relationship of the message.
+        /// Delete eventMessage.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -201,10 +201,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Get the properties and relationships of the eventMessage object. Apply the $expand parameter on the event navigation property to get the associated event in an attendee&apos;s calendar. Currently, this operation returns event message bodies in only HTML format.
+        /// You can get a single resource instance expanded with a specific extended property, or a collection of resource instancesthat include extended properties matching a filter. Using the query parameter $expand allows you to get the specified resource instance expanded with a specific extendedproperty. Use a $filter and eq operator on the id property to specify the extended property. This is currently the only way to get the singleValueLegacyExtendedProperty object that represents an extended property. To get resource instances that have certain extended properties, use the $filter query parameter and apply an eq operatoron the id property. In addition, for numeric extended properties, apply one of the following operators on the value property:eq, ne,ge, gt, le, or lt. For string-typed extended properties, apply a contains, startswith, eq, or ne operator on value. The filter is applied to all instances of the resource in the signed-in user&apos;s mailbox. Filtering the string name (Name) in the id of an extended property is case-sensitive. Filtering the value property of an extendedproperty is case-insensitive. The following user resources are supported: As well as the following group resources: See Extended properties overview for more information about when to useopen extensions or extended properties, and how to specify extended properties.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -262,7 +263,7 @@ public partial class MessageItemRequestBuilderDeleteRequestConfiguration : Reque
         {
         }
         /// <summary>
-        /// Get the properties and relationships of the eventMessage object. Apply the $expand parameter on the event navigation property to get the associated event in an attendee&apos;s calendar. Currently, this operation returns event message bodies in only HTML format.
+        /// You can get a single resource instance expanded with a specific extended property, or a collection of resource instancesthat include extended properties matching a filter. Using the query parameter $expand allows you to get the specified resource instance expanded with a specific extendedproperty. Use a $filter and eq operator on the id property to specify the extended property. This is currently the only way to get the singleValueLegacyExtendedProperty object that represents an extended property. To get resource instances that have certain extended properties, use the $filter query parameter and apply an eq operatoron the id property. In addition, for numeric extended properties, apply one of the following operators on the value property:eq, ne,ge, gt, le, or lt. For string-typed extended properties, apply a contains, startswith, eq, or ne operator on value. The filter is applied to all instances of the resource in the signed-in user&apos;s mailbox. Filtering the string name (Name) in the id of an extended property is case-sensitive. Filtering the value property of an extendedproperty is case-insensitive. The following user resources are supported: As well as the following group resources: See Extended properties overview for more information about when to useopen extensions or extended properties, and how to specify extended properties.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MessageItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9fad87468ec..c7a1b6d36fb 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Reply/ReplyRequestBuilder.cs
index 09d82c04901..0db93e6979d 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Me
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index fb66add355c..171d553dac2 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Me
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Send/SendRequestBuilder.cs
index 000448c8ab5..fe1a57b529f 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/Item/Value/ContentRequestBuilder.cs
index eead9ea4825..831b583b763 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/Item/Value/ContentRequestBuilder.cs
@@ -34,8 +34,8 @@ public ContentRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : ba
         {
         }
         /// <summary>
-        /// Delete a message in the specified user&apos;s mailbox, or delete a relationship of the message.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/message-delete?view=graph-rest-1.0" />
+        /// Delete eventMessage.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/eventmessage-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -57,8 +57,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-list-messages?view=graph-rest-1.0" />
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/opentypeextension-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="Stream"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -107,7 +107,7 @@ public async Task<Stream> PutAsync(Stream body, Action<RequestConfiguration<Defa
             return await RequestAdapter.SendPrimitiveAsync<Stream>(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Delete a message in the specified user&apos;s mailbox, or delete a relationship of the message.
+        /// Delete eventMessage.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -122,10 +122,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -140,7 +141,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
@@ -182,7 +184,7 @@ public partial class ContentRequestBuilderDeleteRequestConfiguration : RequestCo
         {
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ContentRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Me/Messages/MessagesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Messages/MessagesRequestBuilder.cs
index 0cc565adb32..d065a97ed73 100644
--- a/src/Microsoft.Graph/Generated/Me/Messages/MessagesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Messages/MessagesRequestBuilder.cs
@@ -60,8 +60,8 @@ public MessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : b
         {
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-list-messages?view=graph-rest-1.0" />
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/opentypeextension-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MessageCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -84,8 +84,8 @@ public MessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : b
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MessageCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.MessageCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Create a draft of a new message in either JSON or MIME format. When using JSON format, you can:- Include an attachment to the message.- Update the draft later to add content to the body or change other message properties. When using MIME format:- Provide the applicable Internet message headers and the MIME content, all encoded in base64 format in the request body.- /* Add any attachments and S/MIME properties to the MIME content. By default, this operation saves the draft in the Drafts folder. Send the draft message in a subsequent operation. Alternatively, send a new message in a single operation, or create a draft to forward, reply and reply-all to an existing message.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-post-messages?view=graph-rest-1.0" />
+        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/opentypeextension-post-opentypeextension?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Message"/></returns>
         /// <param name="body">The request body</param>
@@ -110,7 +110,7 @@ public MessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : b
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.Message>(requestInfo, global::Microsoft.Graph.Models.Message.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -129,7 +129,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Create a draft of a new message in either JSON or MIME format. When using JSON format, you can:- Include an attachment to the message.- Update the draft later to add content to the body or change other message properties. When using MIME format:- Provide the applicable Internet message headers and the MIME content, all encoded in base64 format in the request body.- /* Add any attachments and S/MIME properties to the MIME content. By default, this operation saves the draft in the Drafts folder. Send the draft message in a subsequent operation. Alternatively, send a new message in a single operation, or create a draft to forward, reply and reply-all to an existing message.
+        /// Create an open extension (openTypeExtension object) and add custom properties in a new or existing instance of a resource. You can create an open extension in a resource instance and store custom data to it all in the same operation, except for specific resources. The table in the Permissions section lists the resources that support open extensions.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
@@ -160,7 +160,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Me.Messages.MessagesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Get the messages in the signed-in user&apos;s mailbox (including the Deleted Items and Clutter folders). Depending on the page size and mailbox data, getting messages from a mailbox can incur multiple requests. The default page size is 10 messages. Use $top to customize the page size, within the range of 1 and 1000. To improve the operation response time, use $select to specify the exact properties you need; see example 1 below. Fine-tune the values for $select and $top, especially when you must use a larger page size, as returning a page with hundreds of messages each with a full response payload may trigger the gateway timeout (HTTP 504). To get the next page of messages, simply apply the entire URL returned in @odata.nextLink to the next get-messages request. This URL includes any query parameters you may have specified in the initial request. Do not try to extract the $skip value from the @odata.nextLink URL to manipulate responses. This API uses the $skip value to keep count of all the items it has gone through in the user&apos;s mailbox to return a page of message-type items. It&apos;s therefore possible that even in the initial response, the $skip value is larger than the page size. For more information, see Paging Microsoft Graph data in your app. Currently, this operation returns message bodies in only HTML format. There are two scenarios where an app can get messages in another user&apos;s mail folder:
+        /// Get an open extension (openTypeExtension object) identified by name or fully qualified name. The table in the Permissions section lists the resources that support open extensions. The following table lists the three scenarios where you can get an open extension from a supported resource instance.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MessagesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
index 934f1188680..981a488607b 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index c55db89faf0..fb7c490a0e2 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 45dea72a94b..5af74d9344a 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 79cbdf0c4d1..6ddc62764fd 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 5d354baba9f..8334320f6f9 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index b61b9ed7c89..ec5d1fcfa41 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index c10309dcf3c..0112f7ad142 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index d487f72f260..bfb71b8d4e3 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 572bd504fbe..fcee45a8217 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 1e5aec5935d..cdbcc0780fe 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/OnenoteRequestBuilder.cs
index 8f825f3d174..4f4e54c5428 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/OnenoteRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
index 74c5d10c40a..893d7699c0b 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
index cdc42211a63..45205594901 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
index 1ec552c6cb9..370aadf1d98 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -158,6 +158,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 3cb6282c469..cb418760ff6 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
index b97ed8c9791..2b5d36c6826 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
index de4b61d6fa3..e94d224f20a 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 9f2095f61e0..9b1b3c61453 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 91ec5f73821..ab9dad20d64 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 875397b8b5b..18404ce0745 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 8845be44dbe..06314e401eb 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 107189929b3..94f116d32a2 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 16e7ed4fe84..15681069c23 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index ebdf933ac66..f5a204658f4 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index b3cad73a054..c45ba383247 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 6a212750bfa..55d8061b9b5 100644
--- a/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index 24ac467b2aa..d498fc6298b 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index e8c8e6cb374..f51dbfd2078 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
index 37736e07e08..ee9685f038f 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
index b485063de04..048c51c1c50 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
@@ -165,6 +165,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
index d96614a3fc9..03b7ee0a800 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
index f2935590bef..a4f1bf7f438 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
index 02085855f4c..3e29344c78a 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
index 287865d524f..e23a31e6597 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.On
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
index dff51bd7cc5..841fde126e3 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
index 872314d6d77..f716fa40b9b 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
index 9a09dd0e5e7..2c52cebc0de 100644
--- a/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
index df2179381db..67ac80cb03e 100644
--- a/src/Microsoft.Graph/Generated/Me/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index c84b73104dd..4d4fa1e28ff 100644
--- a/src/Microsoft.Graph/Generated/Me/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Photo/PhotoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Photo/PhotoRequestBuilder.cs
index 4fd757e4d2a..0f0ae266016 100644
--- a/src/Microsoft.Graph/Generated/Me/Photo/PhotoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Photo/PhotoRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Photo/Value/ContentRequestBuilder.cs
index 91e58c2f338..a99b617e9d2 100644
--- a/src/Microsoft.Graph/Generated/Me/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Photo/Value/ContentRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -140,7 +141,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Photos/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Photos/Item/Value/ContentRequestBuilder.cs
index 4b66696fbfb..755bbf84d9f 100644
--- a/src/Microsoft.Graph/Generated/Me/Photos/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Photos/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/PlannerRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/PlannerRequestBuilder.cs
index d3cf980462b..00a7bc80bba 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/PlannerRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/PlannerRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
index 7bd3ab4c222..e8cc73db99d 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index a956d4d42ae..4b441787276 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 3abd279cefb..2f079d4d3b6 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index d87d28e2e61..8ae8819a2ec 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 2dafbfeccee..6d2e96762de 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index e5aa2cb836e..39ee5d83cc7 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
index e27782a454e..7e53b73e9f6 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
index 37496e6822e..65cab23e29e 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 718ced4d5ec..752f3c3ed14 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index e4a127c16b0..e1c98028d1c 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 2d93d8cdcf6..c701fe78839 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index c03e4fb3049..3cb57e5f1e9 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 41ee992d296..651e9d514ca 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 6bfe2fefd31..dd658fd0b05 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 886ca3db9de..44b2e894918 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
index 3bdaba73616..2cd268bca03 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 6fbc3961ebb..380ab564df5 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index c9496f29ffb..56645bb300e 100644
--- a/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/ClearPresence/ClearPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
index bd3a5ca0917..3ba9566ab10 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Pr
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
index fb6aa8578f8..7b17930f6f7 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/PresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/PresenceRequestBuilder.cs
index 3f50ec0597b..c75034c1347 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/PresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/PresenceRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/SetPresence/SetPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/SetPresence/SetPresenceRequestBuilder.cs
index 9d36a8e93c5..67659f7eb8f 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/SetPresence/SetPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/SetPresence/SetPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Pr
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
index d2f872c27fa..1acd7c3c2af 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Pr
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
index bd4b4a059a2..c1bee30a930 100644
--- a/src/Microsoft.Graph/Generated/Me/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Pr
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
index 550c7de1d35..018e1e05966 100644
--- a/src/Microsoft.Graph/Generated/Me/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
index 42a1e253523..19a4f6bf2d3 100644
--- a/src/Microsoft.Graph/Generated/Me/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
index c44960fb751..975e7ba6a43 100644
--- a/src/Microsoft.Graph/Generated/Me/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/SendMail/SendMailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/SendMail/SendMailRequestBuilder.cs
index cdeaf00e777..7fa59e25a1e 100644
--- a/src/Microsoft.Graph/Generated/Me/SendMail/SendMailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/SendMail/SendMailRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Se
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/ItemInsights/ItemInsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
index db300398e4f..a15c0824157 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/SettingsRequestBuilder.cs
index 2d3cf372a5f..816157a7e11 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/SettingsRequestBuilder.cs
@@ -146,6 +146,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
index fd6b0169267..254a2029a6e 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/QuotaRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/QuotaRequestBuilder.cs
index 4f95042b470..d421b8e1759 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/QuotaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/QuotaRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
index 3b56540a6fc..ae7fcf88c17 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/Storage/StorageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/Storage/StorageRequestBuilder.cs
index 5290c910340..b1a1201476c 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/Storage/StorageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/Storage/StorageRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
index 8d5b05aeb88..a6dfba1b920 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
index 2cd2652b15c..e90a721032a 100644
--- a/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Solutions/SolutionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Solutions/SolutionsRequestBuilder.cs
index 3fac041e930..a890762fbdd 100644
--- a/src/Microsoft.Graph/Generated/Me/Solutions/SolutionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Solutions/SolutionsRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
index eea60fc0cd9..3b1dcb161ab 100644
--- a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
index 2ab9c1b2218..91369f186f1 100644
--- a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
index 5e76cbeff11..5e31dd41399 100644
--- a/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
index 731f2be1df5..2345b35a9a0 100644
--- a/src/Microsoft.Graph/Generated/Me/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
index 9201e52c6ca..25ad27c843a 100644
--- a/src/Microsoft.Graph/Generated/Me/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 5f598a191c1..aa650c0fb6e 100644
--- a/src/Microsoft.Graph/Generated/Me/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Te
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Teamwork/TeamworkRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Teamwork/TeamworkRequestBuilder.cs
index 1fba1fc0bf1..6fb7d83f6f4 100644
--- a/src/Microsoft.Graph/Generated/Me/Teamwork/TeamworkRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Teamwork/TeamworkRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 1a0a26578ac..97c30480f86 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
index 84f0f772740..e00f0b0e90e 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
index d7222a26e05..8ac5bdd2718 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
index ad1dfae82a8..946621679da 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
@@ -103,6 +103,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
index f675620b41f..4419377f315 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
index eea6be39bc6..5eaf2d8ea8e 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9bbabbd5075..50b5ffefc2a 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
index a07f4ff125b..2f65550d488 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
index d3db2525439..d5205dd822c 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
index c4eaaae21a4..6e11a7d899b 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/Todo/TodoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/Todo/TodoRequestBuilder.cs
index a46ef3f3fc3..bc8d8dd5d4e 100644
--- a/src/Microsoft.Graph/Generated/Me/Todo/TodoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/Todo/TodoRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Me/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs b/src/Microsoft.Graph/Generated/Me/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
index 1c27a5a20e1..239619c450f 100644
--- a/src/Microsoft.Graph/Generated/Me/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Me/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Me.Wi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Models/Security/DetectionSource.cs b/src/Microsoft.Graph/Generated/Models/Security/DetectionSource.cs
index ddf24130ccf..c38ad4928f5 100644
--- a/src/Microsoft.Graph/Generated/Models/Security/DetectionSource.cs
+++ b/src/Microsoft.Graph/Generated/Models/Security/DetectionSource.cs
@@ -148,6 +148,10 @@ public enum DetectionSource
         #pragma warning disable CS1591
         MicrosoftInsiderRiskManagement,
         #pragma warning restore CS1591
+        [EnumMember(Value = "microsoftThreatIntelligence")]
+        #pragma warning disable CS1591
+        MicrosoftThreatIntelligence,
+        #pragma warning restore CS1591
         [EnumMember(Value = "microsoftSentinel")]
         #pragma warning disable CS1591
         MicrosoftSentinel,
diff --git a/src/Microsoft.Graph/Generated/Models/Security/ServiceSource.cs b/src/Microsoft.Graph/Generated/Models/Security/ServiceSource.cs
index fc12a8e4062..7eafa10a659 100644
--- a/src/Microsoft.Graph/Generated/Models/Security/ServiceSource.cs
+++ b/src/Microsoft.Graph/Generated/Models/Security/ServiceSource.cs
@@ -60,5 +60,9 @@ public enum ServiceSource
         #pragma warning disable CS1591
         MicrosoftInsiderRiskManagement,
         #pragma warning restore CS1591
+        [EnumMember(Value = "microsoftThreatIntelligence")]
+        #pragma warning disable CS1591
+        MicrosoftThreatIntelligence,
+        #pragma warning restore CS1591
     }
 }
diff --git a/src/Microsoft.Graph/Generated/Models/VirtualEventRegistration.cs b/src/Microsoft.Graph/Generated/Models/VirtualEventRegistration.cs
index d152a072c60..0a241acd634 100644
--- a/src/Microsoft.Graph/Generated/Models/VirtualEventRegistration.cs
+++ b/src/Microsoft.Graph/Generated/Models/VirtualEventRegistration.cs
@@ -114,7 +114,7 @@ public string PreferredTimezone
             set { BackingStore?.Set("preferredTimezone", value); }
         }
 #endif
-        /// <summary>Date and time when the registrant registers for the virtual event. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.</summary>
+        /// <summary>Date and time when the registrant registers for the virtual event. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.</summary>
         public DateTimeOffset? RegistrationDateTime
         {
             get { return BackingStore?.Get<DateTimeOffset?>("registrationDateTime"); }
diff --git a/src/Microsoft.Graph/Generated/Oauth2PermissionGrants/Item/OAuth2PermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Oauth2PermissionGrants/Item/OAuth2PermissionGrantItemRequestBuilder.cs
index 7a4d67930e8..7c3a7ed2f0e 100644
--- a/src/Microsoft.Graph/Generated/Oauth2PermissionGrants/Item/OAuth2PermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Oauth2PermissionGrants/Item/OAuth2PermissionGrantItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BackgroundImage/BackgroundImageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BackgroundImage/BackgroundImageRequestBuilder.cs
index dde80767aa2..cf5c8a257a3 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BackgroundImage/BackgroundImageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BackgroundImage/BackgroundImageRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BannerLogo/BannerLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BannerLogo/BannerLogoRequestBuilder.cs
index 1ff99ef5f5d..7a0de9760de 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BannerLogo/BannerLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BannerLogo/BannerLogoRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BrandingRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BrandingRequestBuilder.cs
index 1983a4f9810..b033abae9bc 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/BrandingRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/BrandingRequestBuilder.cs
@@ -171,6 +171,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/CustomCSS/CustomCSSRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/CustomCSS/CustomCSSRequestBuilder.cs
index 3282c65012f..69fb525ae5d 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/CustomCSS/CustomCSSRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/CustomCSS/CustomCSSRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Favicon/FaviconRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Favicon/FaviconRequestBuilder.cs
index 34724c19683..5df0b045ecf 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Favicon/FaviconRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Favicon/FaviconRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/HeaderLogo/HeaderLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/HeaderLogo/HeaderLogoRequestBuilder.cs
index c25fbe76ae8..6a83b466919 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/HeaderLogo/HeaderLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/HeaderLogo/HeaderLogoRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BackgroundImage/BackgroundImageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BackgroundImage/BackgroundImageRequestBuilder.cs
index c7bcbaabf1b..1848dd549fa 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BackgroundImage/BackgroundImageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BackgroundImage/BackgroundImageRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BannerLogo/BannerLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BannerLogo/BannerLogoRequestBuilder.cs
index 6437dd04d65..c5d1a24955a 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BannerLogo/BannerLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/BannerLogo/BannerLogoRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -141,7 +142,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -164,6 +165,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/CustomCSS/CustomCSSRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/CustomCSS/CustomCSSRequestBuilder.cs
index 02057d4bd71..5ebf67bf78f 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/CustomCSS/CustomCSSRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/CustomCSS/CustomCSSRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/Favicon/FaviconRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/Favicon/FaviconRequestBuilder.cs
index 29460aa60ae..0861280a832 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/Favicon/FaviconRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/Favicon/FaviconRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/HeaderLogo/HeaderLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/HeaderLogo/HeaderLogoRequestBuilder.cs
index 91a49ee741f..f081acc1d60 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/HeaderLogo/HeaderLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/HeaderLogo/HeaderLogoRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/OrganizationalBrandingLocalizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/OrganizationalBrandingLocalizationItemRequestBuilder.cs
index 5e0f835e1fa..ad79ff29fc6 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/OrganizationalBrandingLocalizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/OrganizationalBrandingLocalizationItemRequestBuilder.cs
@@ -165,6 +165,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogo/SquareLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogo/SquareLogoRequestBuilder.cs
index 0c1ecd1548f..46ad57c8d67 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogo/SquareLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogo/SquareLogoRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogoDark/SquareLogoDarkRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
index 57a28479529..0ba34317421 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/Localizations/Item/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogo/SquareLogoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogo/SquareLogoRequestBuilder.cs
index 565f50f497a..d34f6e9fd1c 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogo/SquareLogoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogo/SquareLogoRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogoDark/SquareLogoDarkRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
index 819494ac68f..23b75a86f91 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Branding/SquareLogoDark/SquareLogoDarkRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff");
+            requestInfo.Headers.TryAdd("Accept", "image/bmp, image/jpg, image/jpeg, image/gif, image/vnd.microsoft.icon, image/png, image/tiff, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -162,6 +163,7 @@ public RequestInformation ToPutRequestInformation(Stream body, string contentTyp
             if(string.IsNullOrEmpty(contentType)) throw new ArgumentNullException(nameof(contentType));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, contentType);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
index 854574bbc6d..23690c04ae5 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/CertificateBasedAuthConfiguration/Item/CertificateBasedAuthConfigurationItemRequestBuilder.cs
@@ -97,6 +97,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 4f258dde70b..7c0cac87ba2 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Organization/Item/OrganizationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/Item/OrganizationItemRequestBuilder.cs
index e7ae154b4b2..410688f55f2 100644
--- a/src/Microsoft.Graph/Generated/Organization/Item/OrganizationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/Item/OrganizationItemRequestBuilder.cs
@@ -111,8 +111,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Read properties and relationships of the organization object.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-organization-get?view=graph-rest-1.0" />
+        /// Get the properties and relationships of the currently authenticated organization. Since the organization resource supports extensions, you can also use the GET operation to get custom properties and extension data in an organization instance.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/organization-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.Organization"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -176,10 +176,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Read properties and relationships of the organization object.
+        /// Get the properties and relationships of the currently authenticated organization. Since the organization resource supports extensions, you can also use the GET operation to get custom properties and extension data in an organization instance.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -237,7 +238,7 @@ public partial class OrganizationItemRequestBuilderDeleteRequestConfiguration :
         {
         }
         /// <summary>
-        /// Read properties and relationships of the organization object.
+        /// Get the properties and relationships of the currently authenticated organization. Since the organization resource supports extensions, you can also use the GET operation to get custom properties and extension data in an organization instance.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class OrganizationItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Organization/OrganizationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/OrganizationRequestBuilder.cs
index cc8a37c53f4..f902904958c 100644
--- a/src/Microsoft.Graph/Generated/Organization/OrganizationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/OrganizationRequestBuilder.cs
@@ -78,8 +78,8 @@ public OrganizationRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
         {
         }
         /// <summary>
-        /// Retrieve a list of organization objects. There&apos;s only one organization object in the collection.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/organization-list?view=graph-rest-1.0" />
+        /// List properties and relationships of the organization objects.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-organization-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.OrganizationCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -127,7 +127,7 @@ public OrganizationRequestBuilder(string rawUrl, IRequestAdapter requestAdapter)
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.Organization>(requestInfo, global::Microsoft.Graph.Models.Organization.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Retrieve a list of organization objects. There&apos;s only one organization object in the collection.
+        /// List properties and relationships of the organization objects.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -177,7 +177,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Organization.OrganizationRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Retrieve a list of organization objects. There&apos;s only one organization object in the collection.
+        /// List properties and relationships of the organization objects.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class OrganizationRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Organization/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Organization/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 328c5dea4f2..d7ab7e23eda 100644
--- a/src/Microsoft.Graph/Generated/Organization/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Organization/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Organ
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 97333477279..bd85656d38b 100644
--- a/src/Microsoft.Graph/Generated/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/PermissionGrants/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/PermissionGrants/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 90d888254c7..a9d6859564a 100644
--- a/src/Microsoft.Graph/Generated/PermissionGrants/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/PermissionGrants/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Permi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Places/Item/GraphRoomList/Rooms/Item/RoomItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Places/Item/GraphRoomList/Rooms/Item/RoomItemRequestBuilder.cs
index b8819ad6581..0bb02b47d2f 100644
--- a/src/Microsoft.Graph/Generated/Places/Item/GraphRoomList/Rooms/Item/RoomItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Places/Item/GraphRoomList/Rooms/Item/RoomItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Places/Item/PlaceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Places/Item/PlaceItemRequestBuilder.cs
index a733c4408c9..71014322ef3 100644
--- a/src/Microsoft.Graph/Generated/Places/Item/PlaceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Places/Item/PlaceItemRequestBuilder.cs
@@ -110,6 +110,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/PlannerBucketItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/PlannerBucketItemRequestBuilder.cs
index b5611434571..0b2ecebf7ce 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/PlannerBucketItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/PlannerBucketItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 7c9a68e7bd8..86621a41de2 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 4603a991cb6..d982a8406a6 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 37235c10aec..15e0f123cea 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index e8bfc7fc686..308831aef4c 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 8710ecb3c26..cdbc3f4da01 100644
--- a/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
index 6a643b501c6..696b69be5a3 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 5cac7386889..d295d8cca43 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index a26561850af..d68787f0117 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 2b7483b7e92..3fe0e9cd9a3 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 8e12103d7aa..119e37a0f2a 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index ef5b05a7105..77fdb6ecbe1 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
index a2f0f47975d..e09fff83238 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
index bade5464ddf..44c40a8b7d0 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 87fe2d32592..eb832c1e5d7 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 0f8d7f59ccc..f1973bf6555 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index f27c33427cd..c2eb81752ab 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 0ba026af6ec..9769435041e 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index e516c0aed61..250cad85c87 100644
--- a/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index f8f899381bd..47ee5e5f426 100644
--- a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index f82faafdf39..62ab045d2a9 100644
--- a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
index e76ed115262..af273b16903 100644
--- a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index c2652456e23..5bab139efb8 100644
--- a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -147,6 +147,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 9cf5ce09c9c..462c4659906 100644
--- a/src/Microsoft.Graph/Generated/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/ActivityBasedTimeoutPolicies/Item/ActivityBasedTimeoutPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/ActivityBasedTimeoutPolicies/Item/ActivityBasedTimeoutPolicyItemRequestBuilder.cs
index aff726db290..83b35450e8b 100644
--- a/src/Microsoft.Graph/Generated/Policies/ActivityBasedTimeoutPolicies/Item/ActivityBasedTimeoutPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/ActivityBasedTimeoutPolicies/Item/ActivityBasedTimeoutPolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AdminConsentRequestPolicy/AdminConsentRequestPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AdminConsentRequestPolicy/AdminConsentRequestPolicyRequestBuilder.cs
index d5cc4f08b01..55f147eeefd 100644
--- a/src/Microsoft.Graph/Generated/Policies/AdminConsentRequestPolicy/AdminConsentRequestPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AdminConsentRequestPolicy/AdminConsentRequestPolicyRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AppManagementPolicies/Item/AppManagementPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AppManagementPolicies/Item/AppManagementPolicyItemRequestBuilder.cs
index c1b0ef8cd7d..1a6dd533f1c 100644
--- a/src/Microsoft.Graph/Generated/Policies/AppManagementPolicies/Item/AppManagementPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AppManagementPolicies/Item/AppManagementPolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthenticationFlowsPolicy/AuthenticationFlowsPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthenticationFlowsPolicy/AuthenticationFlowsPolicyRequestBuilder.cs
index 2fedac482af..0100be1b14a 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthenticationFlowsPolicy/AuthenticationFlowsPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthenticationFlowsPolicy/AuthenticationFlowsPolicyRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
index 82780f866f1..c2f1856a6ae 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodConfigurations/Item/AuthenticationMethodConfigurationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodsPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodsPolicyRequestBuilder.cs
index e022405ad8c..d2ac7dbaefa 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodsPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthenticationMethodsPolicy/AuthenticationMethodsPolicyRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
index fb590e19c68..7cc2e732d96 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/AuthenticationStrengthPolicyItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
index 08d5e5ecdfe..86affbfde25 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthenticationStrengthPolicies/Item/CombinationConfigurations/Item/AuthenticationCombinationConfigurationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/AuthorizationPolicy/AuthorizationPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/AuthorizationPolicy/AuthorizationPolicyRequestBuilder.cs
index 96309e35612..86936c3e637 100644
--- a/src/Microsoft.Graph/Generated/Policies/AuthorizationPolicy/AuthorizationPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/AuthorizationPolicy/AuthorizationPolicyRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/ClaimsMappingPolicies/Item/ClaimsMappingPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/ClaimsMappingPolicies/Item/ClaimsMappingPolicyItemRequestBuilder.cs
index 05dab938936..c20f3aeeac9 100644
--- a/src/Microsoft.Graph/Generated/Policies/ClaimsMappingPolicies/Item/ClaimsMappingPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/ClaimsMappingPolicies/Item/ClaimsMappingPolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/ConditionalAccessPolicies/Item/ConditionalAccessPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/ConditionalAccessPolicies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
index 1d5fa2d0ae7..37913b50a19 100644
--- a/src/Microsoft.Graph/Generated/Policies/ConditionalAccessPolicies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/ConditionalAccessPolicies/Item/ConditionalAccessPolicyItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/CrossTenantAccessPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/CrossTenantAccessPolicyRequestBuilder.cs
index f17376fcb73..e2419f25974 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/CrossTenantAccessPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/CrossTenantAccessPolicyRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/DefaultRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/DefaultRequestBuilder.cs
index 811225ef3d2..2f097fee351 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/DefaultRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/DefaultRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/ResetToSystemDefault/ResetToSystemDefaultRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/ResetToSystemDefault/ResetToSystemDefaultRequestBuilder.cs
index e52ed0af7e8..1ee37841666 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/ResetToSystemDefault/ResetToSystemDefaultRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Default/ResetToSystemDefault/ResetToSystemDefaultRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/CrossTenantAccessPolicyConfigurationPartnerTenantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/CrossTenantAccessPolicyConfigurationPartnerTenantItemRequestBuilder.cs
index 10cb3ba229d..411b5eb9bce 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/CrossTenantAccessPolicyConfigurationPartnerTenantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/CrossTenantAccessPolicyConfigurationPartnerTenantItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/IdentitySynchronization/IdentitySynchronizationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/IdentitySynchronization/IdentitySynchronizationRequestBuilder.cs
index a19479c3b78..c6983af56ed 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/IdentitySynchronization/IdentitySynchronizationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Partners/Item/IdentitySynchronization/IdentitySynchronizationRequestBuilder.cs
@@ -82,8 +82,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.CrossTenantIdentitySyncPolicyPartner>(requestInfo, global::Microsoft.Graph.Models.CrossTenantIdentitySyncPolicyPartner.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Update the user synchronization policy of a partner-specific configuration.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/crosstenantidentitysyncpolicypartner-update?view=graph-rest-1.0" />
+        /// Create a cross-tenant user synchronization policy for a partner-specific configuration.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/crosstenantaccesspolicyconfigurationpartner-put-identitysynchronization?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.CrossTenantIdentitySyncPolicyPartner"/></returns>
         /// <param name="body">The request body</param>
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -145,7 +146,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Update the user synchronization policy of a partner-specific configuration.
+        /// Create a cross-tenant user synchronization policy for a partner-specific configuration.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationIdentitySynchronization/MultiTenantOrganizationIdentitySynchronizationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationIdentitySynchronization/MultiTenantOrganizationIdentitySynchronizationRequestBuilder.cs
index 7a22f5570ea..7abf9251653 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationIdentitySynchronization/MultiTenantOrganizationIdentitySynchronizationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationIdentitySynchronization/MultiTenantOrganizationIdentitySynchronizationRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationPartnerConfiguration/MultiTenantOrganizationPartnerConfigurationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationPartnerConfiguration/MultiTenantOrganizationPartnerConfigurationRequestBuilder.cs
index 06d7b56a9ef..aa17c2e7666 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationPartnerConfiguration/MultiTenantOrganizationPartnerConfigurationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/MultiTenantOrganizationPartnerConfiguration/MultiTenantOrganizationPartnerConfigurationRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/TemplatesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/TemplatesRequestBuilder.cs
index 1175f4249d3..d106a2e581f 100644
--- a/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/TemplatesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/CrossTenantAccessPolicy/Templates/TemplatesRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/DefaultAppManagementPolicy/DefaultAppManagementPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/DefaultAppManagementPolicy/DefaultAppManagementPolicyRequestBuilder.cs
index 75e2a110c36..b39535d1011 100644
--- a/src/Microsoft.Graph/Generated/Policies/DefaultAppManagementPolicy/DefaultAppManagementPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/DefaultAppManagementPolicy/DefaultAppManagementPolicyRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Item/Ref/RefRequestBuilder.cs
index 75bd3ea6668..c35290a3711 100644
--- a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Ref/RefRequestBuilder.cs
index 0686e175543..8fb47243a1a 100644
--- a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/AppliesTo/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/policies/featureRolloutPolicies/{featureRolloutPolicy%2Did}/appliesTo/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/policies/featureRolloutPolicies/{featureRolloutPolicy%2Did}/appliesTo/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/FeatureRolloutPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/FeatureRolloutPolicyItemRequestBuilder.cs
index 7fdfbd2385b..0c5a9fd61fe 100644
--- a/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/FeatureRolloutPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/FeatureRolloutPolicies/Item/FeatureRolloutPolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/HomeRealmDiscoveryPolicies/Item/HomeRealmDiscoveryPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/HomeRealmDiscoveryPolicies/Item/HomeRealmDiscoveryPolicyItemRequestBuilder.cs
index 373cf5ceb75..0fc21240c8b 100644
--- a/src/Microsoft.Graph/Generated/Policies/HomeRealmDiscoveryPolicies/Item/HomeRealmDiscoveryPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/HomeRealmDiscoveryPolicies/Item/HomeRealmDiscoveryPolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/IdentitySecurityDefaultsEnforcementPolicy/IdentitySecurityDefaultsEnforcementPolicyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/IdentitySecurityDefaultsEnforcementPolicy/IdentitySecurityDefaultsEnforcementPolicyRequestBuilder.cs
index 01231b16c79..f9807c0f4da 100644
--- a/src/Microsoft.Graph/Generated/Policies/IdentitySecurityDefaultsEnforcementPolicy/IdentitySecurityDefaultsEnforcementPolicyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/IdentitySecurityDefaultsEnforcementPolicy/IdentitySecurityDefaultsEnforcementPolicyRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Excludes/Item/PermissionGrantConditionSetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Excludes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
index f01c7281c56..2e792a4ffa9 100644
--- a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Excludes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Excludes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Includes/Item/PermissionGrantConditionSetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Includes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
index 4c095950f09..74db90a3844 100644
--- a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Includes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/Includes/Item/PermissionGrantConditionSetItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/PermissionGrantPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/PermissionGrantPolicyItemRequestBuilder.cs
index 8ad10230db9..900a7a81cbc 100644
--- a/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/PermissionGrantPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/PermissionGrantPolicies/Item/PermissionGrantPolicyItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/EffectiveRules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/EffectiveRules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
index 3fb925a2c73..cad0b0fd525 100644
--- a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/EffectiveRules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/EffectiveRules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/Rules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/Rules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
index 5d697f37ea3..552df3b6e23 100644
--- a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/Rules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/Rules/Item/UnifiedRoleManagementPolicyRuleItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/UnifiedRoleManagementPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/UnifiedRoleManagementPolicyItemRequestBuilder.cs
index 1bd11ccb8e0..84c294dfee1 100644
--- a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/UnifiedRoleManagementPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicies/Item/UnifiedRoleManagementPolicyItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicyAssignments/Item/UnifiedRoleManagementPolicyAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicyAssignments/Item/UnifiedRoleManagementPolicyAssignmentItemRequestBuilder.cs
index 4c50f776fe4..5b21001a026 100644
--- a/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicyAssignments/Item/UnifiedRoleManagementPolicyAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/RoleManagementPolicyAssignments/Item/UnifiedRoleManagementPolicyAssignmentItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/TokenIssuancePolicies/Item/TokenIssuancePolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/TokenIssuancePolicies/Item/TokenIssuancePolicyItemRequestBuilder.cs
index a95d3f59ba1..d2947ec7de7 100644
--- a/src/Microsoft.Graph/Generated/Policies/TokenIssuancePolicies/Item/TokenIssuancePolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/TokenIssuancePolicies/Item/TokenIssuancePolicyItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Policies/TokenLifetimePolicies/Item/TokenLifetimePolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Policies/TokenLifetimePolicies/Item/TokenLifetimePolicyItemRequestBuilder.cs
index c0c2843ca0a..3ed1f203c7f 100644
--- a/src/Microsoft.Graph/Generated/Policies/TokenLifetimePolicies/Item/TokenLifetimePolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Policies/TokenLifetimePolicies/Item/TokenLifetimePolicyItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Connectors/Item/PrintConnectorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Connectors/Item/PrintConnectorItemRequestBuilder.cs
index 299659396ea..6ccc72bfc61 100644
--- a/src/Microsoft.Graph/Generated/Print/Connectors/Item/PrintConnectorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Connectors/Item/PrintConnectorItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Operations/Item/PrintOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Operations/Item/PrintOperationItemRequestBuilder.cs
index 5c403dc1fea..bf7d7bf794b 100644
--- a/src/Microsoft.Graph/Generated/Print/Operations/Item/PrintOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Operations/Item/PrintOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Create/CreateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Create/CreateRequestBuilder.cs
index b72917c8b02..fb0d63c7452 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Create/CreateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Create/CreateRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Print
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Abort/AbortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
index 722b14df172..e252aae7155 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Print
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
index 2a57588c5b3..d43feb50e27 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
index 4156ea27a1f..c13a854228b 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
index f0cdb8c9642..6a0ec46866d 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/PrintJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
index 4d367235364..d70abcaabbd 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
@@ -158,6 +158,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
index ba98fc924dd..a7d431c9db3 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/PrinterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/PrinterItemRequestBuilder.cs
index 245069b79ca..fb35c705f98 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/PrinterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/PrinterItemRequestBuilder.cs
@@ -153,6 +153,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/RestoreFactoryDefaults/RestoreFactoryDefaultsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/RestoreFactoryDefaults/RestoreFactoryDefaultsRequestBuilder.cs
index 95871824cd5..f5a6b531e73 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/RestoreFactoryDefaults/RestoreFactoryDefaultsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/RestoreFactoryDefaults/RestoreFactoryDefaultsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Printers/Item/TaskTriggers/Item/PrintTaskTriggerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Printers/Item/TaskTriggers/Item/PrintTaskTriggerItemRequestBuilder.cs
index 015d3e03811..6f9b53fa08c 100644
--- a/src/Microsoft.Graph/Generated/Print/Printers/Item/TaskTriggers/Item/PrintTaskTriggerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Printers/Item/TaskTriggers/Item/PrintTaskTriggerItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Services/Item/Endpoints/Item/PrintServiceEndpointItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Services/Item/Endpoints/Item/PrintServiceEndpointItemRequestBuilder.cs
index 1a65167edc5..2c82dc6e45f 100644
--- a/src/Microsoft.Graph/Generated/Print/Services/Item/Endpoints/Item/PrintServiceEndpointItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Services/Item/Endpoints/Item/PrintServiceEndpointItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Services/Item/PrintServiceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Services/Item/PrintServiceItemRequestBuilder.cs
index eeca54bc696..b4df034be99 100644
--- a/src/Microsoft.Graph/Generated/Print/Services/Item/PrintServiceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Services/Item/PrintServiceItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Item/Ref/RefRequestBuilder.cs
index 27b017f0d74..76dd8c7158b 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Ref/RefRequestBuilder.cs
index 220ca0bb599..464bb74a1fd 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedGroups/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/print/shares/{printerShare%2Did}/allowedGroups/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/print/shares/{printerShare%2Did}/allowedGroups/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Item/Ref/RefRequestBuilder.cs
index a8bbfb19da4..ec2c306170f 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Ref/RefRequestBuilder.cs
index 315da90835d..59f4152f2b4 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/AllowedUsers/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/print/shares/{printerShare%2Did}/allowedUsers/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/print/shares/{printerShare%2Did}/allowedUsers/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Abort/AbortRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
index 369895dc4d1..305c2cb9dde 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Abort/AbortRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Print
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
index 02464530b57..2f9decd36fd 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
index 9eb5a02bfd4..4724759f1c3 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/PrintDocumentItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
index cb89e602d8d..3957e2df53f 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Documents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/PrintJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
index 9183da25988..6597ef5b345 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/PrintJobItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
index ac301d3fccd..41489c7cb03 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/Jobs/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/Shares/Item/PrinterShareItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/Shares/Item/PrinterShareItemRequestBuilder.cs
index 47307730860..eab57eb950a 100644
--- a/src/Microsoft.Graph/Generated/Print/Shares/Item/PrinterShareItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/Shares/Item/PrinterShareItemRequestBuilder.cs
@@ -147,6 +147,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/PrintTaskDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/PrintTaskDefinitionItemRequestBuilder.cs
index f741b728e71..b993b9ba1cb 100644
--- a/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/PrintTaskDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/PrintTaskDefinitionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
index 4f59e037980..3d002187645 100644
--- a/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Print/TaskDefinitions/Item/Tasks/Item/PrintTaskItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
index 236b70ae145..6c9d59df746 100644
--- a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
index f4c81618863..560223304de 100644
--- a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
index 8b898e7a0fd..fa147e4b662 100644
--- a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
@@ -124,6 +124,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
index 2ce55e5f756..9e840af44b4 100644
--- a/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Privacy/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/AuthenticationMethodsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/AuthenticationMethodsRequestBuilder.cs
index ca3c11f051e..d51c1e23fed 100644
--- a/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/AuthenticationMethodsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/AuthenticationMethodsRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/UserRegistrationDetails/Item/UserRegistrationDetailsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/UserRegistrationDetails/Item/UserRegistrationDetailsItemRequestBuilder.cs
index 44456ccb26b..a5dbe3d86ad 100644
--- a/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/UserRegistrationDetails/Item/UserRegistrationDetailsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/AuthenticationMethods/UserRegistrationDetails/Item/UserRegistrationDetailsItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
index 2f26a7fdfac..e1970deeb99 100644
--- a/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
index 027532c43e9..15bb5cc9a8e 100644
--- a/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/DailyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityCountsWithPeriod/GetEmailActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityCountsWithPeriod/GetEmailActivityCountsWithPeriodRequestBuilder.cs
index 024e5d9e005..eb5256336d4 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityCountsWithPeriod/GetEmailActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityCountsWithPeriod/GetEmailActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserCountsWithPeriod/GetEmailActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserCountsWithPeriod/GetEmailActivityUserCountsWithPeriodRequestBuilder.cs
index 9b124e5c821..462f7a9bb2a 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserCountsWithPeriod/GetEmailActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserCountsWithPeriod/GetEmailActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithDate/GetEmailActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithDate/GetEmailActivityUserDetailWithDateRequestBuilder.cs
index 49d277a3947..6bb59c7ae7b 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithDate/GetEmailActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithDate/GetEmailActivityUserDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithPeriod/GetEmailActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithPeriod/GetEmailActivityUserDetailWithPeriodRequestBuilder.cs
index 4e3873be509..af5a8ba33ae 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithPeriod/GetEmailActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailActivityUserDetailWithPeriod/GetEmailActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageAppsUserCountsWithPeriod/GetEmailAppUsageAppsUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageAppsUserCountsWithPeriod/GetEmailAppUsageAppsUserCountsWithPeriodRequestBuilder.cs
index 7351aa42cad..351ab89d70b 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageAppsUserCountsWithPeriod/GetEmailAppUsageAppsUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageAppsUserCountsWithPeriod/GetEmailAppUsageAppsUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserCountsWithPeriod/GetEmailAppUsageUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserCountsWithPeriod/GetEmailAppUsageUserCountsWithPeriodRequestBuilder.cs
index fee916c4637..d5c6123d2c1 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserCountsWithPeriod/GetEmailAppUsageUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserCountsWithPeriod/GetEmailAppUsageUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithDate/GetEmailAppUsageUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithDate/GetEmailAppUsageUserDetailWithDateRequestBuilder.cs
index 9b2470521d5..d80d06fc5e7 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithDate/GetEmailAppUsageUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithDate/GetEmailAppUsageUserDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithPeriod/GetEmailAppUsageUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithPeriod/GetEmailAppUsageUserDetailWithPeriodRequestBuilder.cs
index c8f2d673960..e85ec68fbaf 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithPeriod/GetEmailAppUsageUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageUserDetailWithPeriod/GetEmailAppUsageUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageVersionsUserCountsWithPeriod/GetEmailAppUsageVersionsUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageVersionsUserCountsWithPeriod/GetEmailAppUsageVersionsUserCountsWithPeriodRequestBuilder.cs
index 95516682ae8..668fd925d02 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageVersionsUserCountsWithPeriod/GetEmailAppUsageVersionsUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetEmailAppUsageVersionsUserCountsWithPeriod/GetEmailAppUsageVersionsUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetM365AppPlatformUserCountsWithPeriod/GetM365AppPlatformUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetM365AppPlatformUserCountsWithPeriod/GetM365AppPlatformUserCountsWithPeriodRequestBuilder.cs
index 03866e26402..873e5069c16 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetM365AppPlatformUserCountsWithPeriod/GetM365AppPlatformUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetM365AppPlatformUserCountsWithPeriod/GetM365AppPlatformUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserCountsWithPeriod/GetM365AppUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserCountsWithPeriod/GetM365AppUserCountsWithPeriodRequestBuilder.cs
index 240ad673fb6..43f0f6686b4 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserCountsWithPeriod/GetM365AppUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserCountsWithPeriod/GetM365AppUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithDate/GetM365AppUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithDate/GetM365AppUserDetailWithDateRequestBuilder.cs
index 26f875117e0..b01dc606393 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithDate/GetM365AppUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithDate/GetM365AppUserDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithPeriod/GetM365AppUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithPeriod/GetM365AppUserDetailWithPeriodRequestBuilder.cs
index 7b8e95474b5..495883a4f4d 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithPeriod/GetM365AppUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetM365AppUserDetailWithPeriod/GetM365AppUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageDetailWithPeriod/GetMailboxUsageDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageDetailWithPeriod/GetMailboxUsageDetailWithPeriodRequestBuilder.cs
index 827a1192f56..547c753b1cd 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageDetailWithPeriod/GetMailboxUsageDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageDetailWithPeriod/GetMailboxUsageDetailWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageMailboxCountsWithPeriod/GetMailboxUsageMailboxCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageMailboxCountsWithPeriod/GetMailboxUsageMailboxCountsWithPeriodRequestBuilder.cs
index 891f54edf31..97334ccc22a 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageMailboxCountsWithPeriod/GetMailboxUsageMailboxCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageMailboxCountsWithPeriod/GetMailboxUsageMailboxCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageQuotaStatusMailboxCountsWithPeriod/GetMailboxUsageQuotaStatusMailboxCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageQuotaStatusMailboxCountsWithPeriod/GetMailboxUsageQuotaStatusMailboxCountsWithPeriodRequestBuilder.cs
index fcf3fc39422..cb7d23bd39c 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageQuotaStatusMailboxCountsWithPeriod/GetMailboxUsageQuotaStatusMailboxCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageQuotaStatusMailboxCountsWithPeriod/GetMailboxUsageQuotaStatusMailboxCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageStorageWithPeriod/GetMailboxUsageStorageWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageStorageWithPeriod/GetMailboxUsageStorageWithPeriodRequestBuilder.cs
index 5e8140692f6..adea626c8da 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageStorageWithPeriod/GetMailboxUsageStorageWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetMailboxUsageStorageWithPeriod/GetMailboxUsageStorageWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationCounts/GetOffice365ActivationCountsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationCounts/GetOffice365ActivationCountsRequestBuilder.cs
index 4fffe09dfe3..2a50a0cd920 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationCounts/GetOffice365ActivationCountsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationCounts/GetOffice365ActivationCountsRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserCounts/GetOffice365ActivationsUserCountsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserCounts/GetOffice365ActivationsUserCountsRequestBuilder.cs
index f4141765681..aaaf46b7375 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserCounts/GetOffice365ActivationsUserCountsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserCounts/GetOffice365ActivationsUserCountsRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserDetail/GetOffice365ActivationsUserDetailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserDetail/GetOffice365ActivationsUserDetailRequestBuilder.cs
index 3db97ef616d..da67ff15350 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserDetail/GetOffice365ActivationsUserDetailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActivationsUserDetail/GetOffice365ActivationsUserDetailRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserCountsWithPeriod/GetOffice365ActiveUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserCountsWithPeriod/GetOffice365ActiveUserCountsWithPeriodRequestBuilder.cs
index b2aa1ba5d17..81bb87421f1 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserCountsWithPeriod/GetOffice365ActiveUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserCountsWithPeriod/GetOffice365ActiveUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithDate/GetOffice365ActiveUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithDate/GetOffice365ActiveUserDetailWithDateRequestBuilder.cs
index 0bdf6898b19..8dd12e2fe1e 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithDate/GetOffice365ActiveUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithDate/GetOffice365ActiveUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithPeriod/GetOffice365ActiveUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithPeriod/GetOffice365ActiveUserDetailWithPeriodRequestBuilder.cs
index cb969892928..bff6359b576 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithPeriod/GetOffice365ActiveUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ActiveUserDetailWithPeriod/GetOffice365ActiveUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityCountsWithPeriod/GetOffice365GroupsActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityCountsWithPeriod/GetOffice365GroupsActivityCountsWithPeriodRequestBuilder.cs
index e0c78195445..02c06c36448 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityCountsWithPeriod/GetOffice365GroupsActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityCountsWithPeriod/GetOffice365GroupsActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithDate/GetOffice365GroupsActivityDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithDate/GetOffice365GroupsActivityDetailWithDateRequestBuilder.cs
index 544e8b5639e..c7c5dff3f0e 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithDate/GetOffice365GroupsActivityDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithDate/GetOffice365GroupsActivityDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithPeriod/GetOffice365GroupsActivityDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithPeriod/GetOffice365GroupsActivityDetailWithPeriodRequestBuilder.cs
index f70529fd34a..72c6f8c456e 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithPeriod/GetOffice365GroupsActivityDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityDetailWithPeriod/GetOffice365GroupsActivityDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityFileCountsWithPeriod/GetOffice365GroupsActivityFileCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityFileCountsWithPeriod/GetOffice365GroupsActivityFileCountsWithPeriodRequestBuilder.cs
index 81ccb3fea01..9f540acee21 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityFileCountsWithPeriod/GetOffice365GroupsActivityFileCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityFileCountsWithPeriod/GetOffice365GroupsActivityFileCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityGroupCountsWithPeriod/GetOffice365GroupsActivityGroupCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityGroupCountsWithPeriod/GetOffice365GroupsActivityGroupCountsWithPeriodRequestBuilder.cs
index a6a261b3bde..df3539604c6 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityGroupCountsWithPeriod/GetOffice365GroupsActivityGroupCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityGroupCountsWithPeriod/GetOffice365GroupsActivityGroupCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityStorageWithPeriod/GetOffice365GroupsActivityStorageWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityStorageWithPeriod/GetOffice365GroupsActivityStorageWithPeriodRequestBuilder.cs
index d656a76580a..46d36de605a 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityStorageWithPeriod/GetOffice365GroupsActivityStorageWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365GroupsActivityStorageWithPeriod/GetOffice365GroupsActivityStorageWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOffice365ServicesUserCountsWithPeriod/GetOffice365ServicesUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOffice365ServicesUserCountsWithPeriod/GetOffice365ServicesUserCountsWithPeriodRequestBuilder.cs
index ac848440603..5f125c81e12 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOffice365ServicesUserCountsWithPeriod/GetOffice365ServicesUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOffice365ServicesUserCountsWithPeriod/GetOffice365ServicesUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityFileCountsWithPeriod/GetOneDriveActivityFileCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityFileCountsWithPeriod/GetOneDriveActivityFileCountsWithPeriodRequestBuilder.cs
index 7f9c47c47dd..d7bb1b14392 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityFileCountsWithPeriod/GetOneDriveActivityFileCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityFileCountsWithPeriod/GetOneDriveActivityFileCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserCountsWithPeriod/GetOneDriveActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserCountsWithPeriod/GetOneDriveActivityUserCountsWithPeriodRequestBuilder.cs
index 3f3b87b2a09..0baf49352b1 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserCountsWithPeriod/GetOneDriveActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserCountsWithPeriod/GetOneDriveActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithDate/GetOneDriveActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithDate/GetOneDriveActivityUserDetailWithDateRequestBuilder.cs
index 5f921032e84..3fadd400ae5 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithDate/GetOneDriveActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithDate/GetOneDriveActivityUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithPeriod/GetOneDriveActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithPeriod/GetOneDriveActivityUserDetailWithPeriodRequestBuilder.cs
index f5292565f74..66bffee949c 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithPeriod/GetOneDriveActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveActivityUserDetailWithPeriod/GetOneDriveActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountCountsWithPeriod/GetOneDriveUsageAccountCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountCountsWithPeriod/GetOneDriveUsageAccountCountsWithPeriodRequestBuilder.cs
index e79b0a4c901..9e360e9eb5d 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountCountsWithPeriod/GetOneDriveUsageAccountCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountCountsWithPeriod/GetOneDriveUsageAccountCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithDate/GetOneDriveUsageAccountDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithDate/GetOneDriveUsageAccountDetailWithDateRequestBuilder.cs
index a5484bffd82..9bf19126791 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithDate/GetOneDriveUsageAccountDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithDate/GetOneDriveUsageAccountDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithPeriod/GetOneDriveUsageAccountDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithPeriod/GetOneDriveUsageAccountDetailWithPeriodRequestBuilder.cs
index 6868c93f44f..ed2f1c376c2 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithPeriod/GetOneDriveUsageAccountDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageAccountDetailWithPeriod/GetOneDriveUsageAccountDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageFileCountsWithPeriod/GetOneDriveUsageFileCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageFileCountsWithPeriod/GetOneDriveUsageFileCountsWithPeriodRequestBuilder.cs
index 6a508125fd4..32819fb650b 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageFileCountsWithPeriod/GetOneDriveUsageFileCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageFileCountsWithPeriod/GetOneDriveUsageFileCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageStorageWithPeriod/GetOneDriveUsageStorageWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageStorageWithPeriod/GetOneDriveUsageStorageWithPeriodRequestBuilder.cs
index b3c4e8b23d1..af74255dac9 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageStorageWithPeriod/GetOneDriveUsageStorageWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetOneDriveUsageStorageWithPeriod/GetOneDriveUsageStorageWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityFileCountsWithPeriod/GetSharePointActivityFileCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityFileCountsWithPeriod/GetSharePointActivityFileCountsWithPeriodRequestBuilder.cs
index f74a9bfbd0e..3221ca9c575 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityFileCountsWithPeriod/GetSharePointActivityFileCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityFileCountsWithPeriod/GetSharePointActivityFileCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityPagesWithPeriod/GetSharePointActivityPagesWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityPagesWithPeriod/GetSharePointActivityPagesWithPeriodRequestBuilder.cs
index dbed4fbb0fc..876405de17e 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityPagesWithPeriod/GetSharePointActivityPagesWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityPagesWithPeriod/GetSharePointActivityPagesWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserCountsWithPeriod/GetSharePointActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserCountsWithPeriod/GetSharePointActivityUserCountsWithPeriodRequestBuilder.cs
index b99be068696..502a525bde1 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserCountsWithPeriod/GetSharePointActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserCountsWithPeriod/GetSharePointActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithDate/GetSharePointActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithDate/GetSharePointActivityUserDetailWithDateRequestBuilder.cs
index e73e79e5e15..826ff18acb0 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithDate/GetSharePointActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithDate/GetSharePointActivityUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithPeriod/GetSharePointActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithPeriod/GetSharePointActivityUserDetailWithPeriodRequestBuilder.cs
index 34658fdef23..bfe46212c78 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithPeriod/GetSharePointActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointActivityUserDetailWithPeriod/GetSharePointActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithDate/GetSharePointSiteUsageDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithDate/GetSharePointSiteUsageDetailWithDateRequestBuilder.cs
index c218f3df18a..5c8141f4527 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithDate/GetSharePointSiteUsageDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithDate/GetSharePointSiteUsageDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithPeriod/GetSharePointSiteUsageDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithPeriod/GetSharePointSiteUsageDetailWithPeriodRequestBuilder.cs
index a662afc1374..d73c772573d 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithPeriod/GetSharePointSiteUsageDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageDetailWithPeriod/GetSharePointSiteUsageDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageFileCountsWithPeriod/GetSharePointSiteUsageFileCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageFileCountsWithPeriod/GetSharePointSiteUsageFileCountsWithPeriodRequestBuilder.cs
index 0a7abd6d1ce..54c59147761 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageFileCountsWithPeriod/GetSharePointSiteUsageFileCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageFileCountsWithPeriod/GetSharePointSiteUsageFileCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsagePagesWithPeriod/GetSharePointSiteUsagePagesWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsagePagesWithPeriod/GetSharePointSiteUsagePagesWithPeriodRequestBuilder.cs
index 35ff5005bdd..306b55c75da 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsagePagesWithPeriod/GetSharePointSiteUsagePagesWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsagePagesWithPeriod/GetSharePointSiteUsagePagesWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageSiteCountsWithPeriod/GetSharePointSiteUsageSiteCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageSiteCountsWithPeriod/GetSharePointSiteUsageSiteCountsWithPeriodRequestBuilder.cs
index 38e85ac309a..0f60c3c6205 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageSiteCountsWithPeriod/GetSharePointSiteUsageSiteCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageSiteCountsWithPeriod/GetSharePointSiteUsageSiteCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageStorageWithPeriod/GetSharePointSiteUsageStorageWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageStorageWithPeriod/GetSharePointSiteUsageStorageWithPeriodRequestBuilder.cs
index 75ad690dc92..8fe9bde53df 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageStorageWithPeriod/GetSharePointSiteUsageStorageWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSharePointSiteUsageStorageWithPeriod/GetSharePointSiteUsageStorageWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityCountsWithPeriod/GetSkypeForBusinessActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityCountsWithPeriod/GetSkypeForBusinessActivityCountsWithPeriodRequestBuilder.cs
index ebdca15c8ac..a28c877e9c4 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityCountsWithPeriod/GetSkypeForBusinessActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityCountsWithPeriod/GetSkypeForBusinessActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserCountsWithPeriod/GetSkypeForBusinessActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserCountsWithPeriod/GetSkypeForBusinessActivityUserCountsWithPeriodRequestBuilder.cs
index 26608bad943..c291ff6c1f4 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserCountsWithPeriod/GetSkypeForBusinessActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserCountsWithPeriod/GetSkypeForBusinessActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithDate/GetSkypeForBusinessActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithDate/GetSkypeForBusinessActivityUserDetailWithDateRequestBuilder.cs
index c614b3c93e2..007bfd5a820 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithDate/GetSkypeForBusinessActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithDate/GetSkypeForBusinessActivityUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithPeriod/GetSkypeForBusinessActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithPeriod/GetSkypeForBusinessActivityUserDetailWithPeriodRequestBuilder.cs
index 0bd5fb09943..cf0ba176edd 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithPeriod/GetSkypeForBusinessActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessActivityUserDetailWithPeriod/GetSkypeForBusinessActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
index f28e401c807..7f49d2c1613 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageUserCountsWithPeriodRequestBuilder.cs
index 67030809228..e9235cab63a 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserCountsWithPeriod/GetSkypeForBusinessDeviceUsageUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithDate/GetSkypeForBusinessDeviceUsageUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithDate/GetSkypeForBusinessDeviceUsageUserDetailWithDateRequestBuilder.cs
index 99870e92403..b16fe9de965 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithDate/GetSkypeForBusinessDeviceUsageUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithDate/GetSkypeForBusinessDeviceUsageUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithPeriod/GetSkypeForBusinessDeviceUsageUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithPeriod/GetSkypeForBusinessDeviceUsageUserDetailWithPeriodRequestBuilder.cs
index e0d2e3d2c88..e29d16db719 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithPeriod/GetSkypeForBusinessDeviceUsageUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessDeviceUsageUserDetailWithPeriod/GetSkypeForBusinessDeviceUsageUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityCountsWithPeriod/GetSkypeForBusinessOrganizerActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityCountsWithPeriod/GetSkypeForBusinessOrganizerActivityCountsWithPeriodRequestBuilder.cs
index f87f2dcdd4b..8037dee00bc 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityCountsWithPeriod/GetSkypeForBusinessOrganizerActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityCountsWithPeriod/GetSkypeForBusinessOrganizerActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriod/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriod/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriodRequestBuilder.cs
index 69b36a5906a..adb16187fac 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriod/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriod/GetSkypeForBusinessOrganizerActivityMinuteCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriod/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriod/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriodRequestBuilder.cs
index 006bfaeb746..da56950dea9 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriod/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriod/GetSkypeForBusinessOrganizerActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityCountsWithPeriod/GetSkypeForBusinessParticipantActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityCountsWithPeriod/GetSkypeForBusinessParticipantActivityCountsWithPeriodRequestBuilder.cs
index fe9ee1253d9..527b0ec9111 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityCountsWithPeriod/GetSkypeForBusinessParticipantActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityCountsWithPeriod/GetSkypeForBusinessParticipantActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriod/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriod/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriodRequestBuilder.cs
index 244ea7d603f..faffc9e5874 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriod/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriod/GetSkypeForBusinessParticipantActivityMinuteCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityUserCountsWithPeriod/GetSkypeForBusinessParticipantActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityUserCountsWithPeriod/GetSkypeForBusinessParticipantActivityUserCountsWithPeriodRequestBuilder.cs
index 226423573c3..055f3e6e975 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityUserCountsWithPeriod/GetSkypeForBusinessParticipantActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessParticipantActivityUserCountsWithPeriod/GetSkypeForBusinessParticipantActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriodRequestBuilder.cs
index e12230e4b9c..ba31b9781ab 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriodRequestBuilder.cs
index 945386be930..bfabc07b742 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityMinuteCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriodRequestBuilder.cs
index aee6602c8ae..4f157cdafad 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriod/GetSkypeForBusinessPeerToPeerActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageDistributionUserCountsWithPeriod/GetTeamsDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageDistributionUserCountsWithPeriod/GetTeamsDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
index 8783ae74d6c..2eb56f39060 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageDistributionUserCountsWithPeriod/GetTeamsDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageDistributionUserCountsWithPeriod/GetTeamsDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserCountsWithPeriod/GetTeamsDeviceUsageUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserCountsWithPeriod/GetTeamsDeviceUsageUserCountsWithPeriodRequestBuilder.cs
index 3cf374d1e74..04c8941cd07 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserCountsWithPeriod/GetTeamsDeviceUsageUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserCountsWithPeriod/GetTeamsDeviceUsageUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithDate/GetTeamsDeviceUsageUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithDate/GetTeamsDeviceUsageUserDetailWithDateRequestBuilder.cs
index 8acd9f27936..a654b6a73a6 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithDate/GetTeamsDeviceUsageUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithDate/GetTeamsDeviceUsageUserDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithPeriod/GetTeamsDeviceUsageUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithPeriod/GetTeamsDeviceUsageUserDetailWithPeriodRequestBuilder.cs
index 1872388765a..553d7379a20 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithPeriod/GetTeamsDeviceUsageUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsDeviceUsageUserDetailWithPeriod/GetTeamsDeviceUsageUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityCountsWithPeriod/GetTeamsTeamActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityCountsWithPeriod/GetTeamsTeamActivityCountsWithPeriodRequestBuilder.cs
index 1460543e2e6..b874b924a1e 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityCountsWithPeriod/GetTeamsTeamActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityCountsWithPeriod/GetTeamsTeamActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithDate/GetTeamsTeamActivityDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithDate/GetTeamsTeamActivityDetailWithDateRequestBuilder.cs
index e42026ce892..faa989da591 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithDate/GetTeamsTeamActivityDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithDate/GetTeamsTeamActivityDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithPeriod/GetTeamsTeamActivityDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithPeriod/GetTeamsTeamActivityDetailWithPeriodRequestBuilder.cs
index 60a974d65c6..1439a1f7720 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithPeriod/GetTeamsTeamActivityDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDetailWithPeriod/GetTeamsTeamActivityDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDistributionCountsWithPeriod/GetTeamsTeamActivityDistributionCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDistributionCountsWithPeriod/GetTeamsTeamActivityDistributionCountsWithPeriodRequestBuilder.cs
index 554ef03d5b9..c3edbbe6023 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDistributionCountsWithPeriod/GetTeamsTeamActivityDistributionCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamActivityDistributionCountsWithPeriod/GetTeamsTeamActivityDistributionCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamCountsWithPeriod/GetTeamsTeamCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamCountsWithPeriod/GetTeamsTeamCountsWithPeriodRequestBuilder.cs
index 2d63080a89a..d7e3d3adef9 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamCountsWithPeriod/GetTeamsTeamCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsTeamCountsWithPeriod/GetTeamsTeamCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityCountsWithPeriod/GetTeamsUserActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityCountsWithPeriod/GetTeamsUserActivityCountsWithPeriodRequestBuilder.cs
index 00160fc08bc..03c2f51642d 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityCountsWithPeriod/GetTeamsUserActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityCountsWithPeriod/GetTeamsUserActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserCountsWithPeriod/GetTeamsUserActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserCountsWithPeriod/GetTeamsUserActivityUserCountsWithPeriodRequestBuilder.cs
index 19b0de314dc..f69d8289f61 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserCountsWithPeriod/GetTeamsUserActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserCountsWithPeriod/GetTeamsUserActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithDate/GetTeamsUserActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithDate/GetTeamsUserActivityUserDetailWithDateRequestBuilder.cs
index 3101b0cd8db..d8164a05a3f 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithDate/GetTeamsUserActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithDate/GetTeamsUserActivityUserDetailWithDateRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithPeriod/GetTeamsUserActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithPeriod/GetTeamsUserActivityUserDetailWithPeriodRequestBuilder.cs
index f3c252b20e9..b22a9769e1c 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithPeriod/GetTeamsUserActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetTeamsUserActivityUserDetailWithPeriod/GetTeamsUserActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityCountsWithPeriod/GetYammerActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityCountsWithPeriod/GetYammerActivityCountsWithPeriodRequestBuilder.cs
index 43165c678b0..81ade48a3d8 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityCountsWithPeriod/GetYammerActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityCountsWithPeriod/GetYammerActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserCountsWithPeriod/GetYammerActivityUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserCountsWithPeriod/GetYammerActivityUserCountsWithPeriodRequestBuilder.cs
index 28517c2e560..b7f4f910cc6 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserCountsWithPeriod/GetYammerActivityUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserCountsWithPeriod/GetYammerActivityUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithDate/GetYammerActivityUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithDate/GetYammerActivityUserDetailWithDateRequestBuilder.cs
index d818c140c8c..2576455e1cf 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithDate/GetYammerActivityUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithDate/GetYammerActivityUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithPeriod/GetYammerActivityUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithPeriod/GetYammerActivityUserDetailWithPeriodRequestBuilder.cs
index 09165ad6249..d65a715c6d6 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithPeriod/GetYammerActivityUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerActivityUserDetailWithPeriod/GetYammerActivityUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageDistributionUserCountsWithPeriod/GetYammerDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageDistributionUserCountsWithPeriod/GetYammerDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
index 55cd3462032..3e7687f6471 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageDistributionUserCountsWithPeriod/GetYammerDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageDistributionUserCountsWithPeriod/GetYammerDeviceUsageDistributionUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserCountsWithPeriod/GetYammerDeviceUsageUserCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserCountsWithPeriod/GetYammerDeviceUsageUserCountsWithPeriodRequestBuilder.cs
index 24272e1e28a..10b82e40f84 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserCountsWithPeriod/GetYammerDeviceUsageUserCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserCountsWithPeriod/GetYammerDeviceUsageUserCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithDate/GetYammerDeviceUsageUserDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithDate/GetYammerDeviceUsageUserDetailWithDateRequestBuilder.cs
index 8c5f15e9faf..1810356c643 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithDate/GetYammerDeviceUsageUserDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithDate/GetYammerDeviceUsageUserDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithPeriod/GetYammerDeviceUsageUserDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithPeriod/GetYammerDeviceUsageUserDetailWithPeriodRequestBuilder.cs
index f17e95144a9..a73610901a3 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithPeriod/GetYammerDeviceUsageUserDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerDeviceUsageUserDetailWithPeriod/GetYammerDeviceUsageUserDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityCountsWithPeriod/GetYammerGroupsActivityCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityCountsWithPeriod/GetYammerGroupsActivityCountsWithPeriodRequestBuilder.cs
index 5be12b6b1d6..51e01569c3c 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityCountsWithPeriod/GetYammerGroupsActivityCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityCountsWithPeriod/GetYammerGroupsActivityCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithDate/GetYammerGroupsActivityDetailWithDateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithDate/GetYammerGroupsActivityDetailWithDateRequestBuilder.cs
index b5fdcc4a20e..e25a8659cfd 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithDate/GetYammerGroupsActivityDetailWithDateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithDate/GetYammerGroupsActivityDetailWithDateRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithPeriod/GetYammerGroupsActivityDetailWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithPeriod/GetYammerGroupsActivityDetailWithPeriodRequestBuilder.cs
index 80ef5d1d9b9..1c1bb1e8d81 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithPeriod/GetYammerGroupsActivityDetailWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityDetailWithPeriod/GetYammerGroupsActivityDetailWithPeriodRequestBuilder.cs
@@ -74,7 +74,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityGroupCountsWithPeriod/GetYammerGroupsActivityGroupCountsWithPeriodRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityGroupCountsWithPeriod/GetYammerGroupsActivityGroupCountsWithPeriodRequestBuilder.cs
index ca3e0fec23c..3628be31a21 100644
--- a/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityGroupCountsWithPeriod/GetYammerGroupsActivityGroupCountsWithPeriodRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/GetYammerGroupsActivityGroupCountsWithPeriod/GetYammerGroupsActivityGroupCountsWithPeriodRequestBuilder.cs
@@ -75,7 +75,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
index 48e86d25fc5..d7d8be0f19b 100644
--- a/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByPrinter/Item/PrintUsageByPrinterItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
index 306f10a306d..b43d2201e0d 100644
--- a/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/MonthlyPrintUsageByUser/Item/PrintUsageByUserItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/BillingRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/BillingRequestBuilder.cs
index 70fa8e29b1e..ae3f2718c18 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/BillingRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/BillingRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Manifests/Item/ManifestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Manifests/Item/ManifestItemRequestBuilder.cs
index d618af048ee..6b3fd318815 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Manifests/Item/ManifestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Manifests/Item/ManifestItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Operations/Item/OperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Operations/Item/OperationItemRequestBuilder.cs
index f9cd0061b63..5115f0038bc 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Operations/Item/OperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Operations/Item/OperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/Billed/BilledRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/Billed/BilledRequestBuilder.cs
index ad1be9cfdbc..ef53b7cb088 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/Billed/BilledRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/Billed/BilledRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/ReconciliationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/ReconciliationRequestBuilder.cs
index 4a6013afca8..f7738ce1e99 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/ReconciliationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Reconciliation/ReconciliationRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Billed/BilledRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Billed/BilledRequestBuilder.cs
index c35c41f2b3b..b4d54295fbf 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Billed/BilledRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Billed/BilledRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Unbilled/UnbilledRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Unbilled/UnbilledRequestBuilder.cs
index 7259bc91062..731ea14c953 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Unbilled/UnbilledRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/Unbilled/UnbilledRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/UsageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/UsageRequestBuilder.cs
index 4707d098b5b..f71b65492fe 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/UsageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/Billing/Usage/UsageRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Partners/PartnersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Partners/PartnersRequestBuilder.cs
index 3ca40c59850..d85b3c6a243 100644
--- a/src/Microsoft.Graph/Generated/Reports/Partners/PartnersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Partners/PartnersRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Reports/Security/SecurityRequestBuilder.cs b/src/Microsoft.Graph/Generated/Reports/Security/SecurityRequestBuilder.cs
index 90d94e446d8..3508d91939e 100644
--- a/src/Microsoft.Graph/Generated/Reports/Security/SecurityRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Reports/Security/SecurityRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/DirectoryRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/DirectoryRequestBuilder.cs
index 9fd96012b4c..323aa7477b7 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/DirectoryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/DirectoryRequestBuilder.cs
@@ -174,6 +174,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
index 643b8a0aa4a..11d31cba71f 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
index 82710f8907d..c092d77feb7 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
index c75a5296673..ffe8c0fb903 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index 1bc3ccdeb15..b832060fcc1 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
index 8327894d01f..8b79c29e113 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
@@ -163,6 +163,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
index b6b3469eb9c..c1c36da9f3a 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
index b50646c4070..d297d57f8b8 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
index 645417d05e9..41f8c59775c 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
@@ -146,6 +146,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
index 8cf8c218bec..2e7c4d5e0ab 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
index fb304bab926..0e895d3d4e1 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
index 922d2de3b2b..2c8964f8baf 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index ad26baff202..4b78cdc8bfd 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
index 670d272a49c..e9df399937f 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
@@ -157,6 +157,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
index 9db3e04c73b..c7b987d2c26 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/DirectoryNamespace/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/EntitlementManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/EntitlementManagementRequestBuilder.cs
index 6ae14925215..758de10ca69 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/EntitlementManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/EntitlementManagementRequestBuilder.cs
@@ -174,6 +174,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
index f36320a666c..8940b49f278 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/ResourceActions/Item/UnifiedRbacResourceActionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
index 5619a3a4c52..2ccac90d356 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/ResourceNamespaces/Item/UnifiedRbacResourceNamespaceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
index d30c8f5f9ff..ffcee31d60e 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleInstances/Item/UnifiedRoleAssignmentScheduleInstanceItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index 7f462b8706d..bd9e8358f9c 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
index 10d0be51aa0..49f68bb62b4 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentScheduleRequests/Item/UnifiedRoleAssignmentScheduleRequestItemRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
index 0fdec27025b..f4c27bdae07 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignmentSchedules/Item/UnifiedRoleAssignmentScheduleItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
index 8995ed9df0d..3182cfa5bf3 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/AppScope/AppScopeRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
index f823fb2703f..c055121e3a5 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleAssignments/Item/UnifiedRoleAssignmentItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
index f7a9c97d03e..526ad6e5eef 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/InheritsPermissionsFrom/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
index c3f85c7f27e..a1c1173bb1a 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleDefinitions/Item/UnifiedRoleDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
index f5e0c804fab..3f0abb51786 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleInstances/Item/UnifiedRoleEligibilityScheduleInstanceItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
index 1cd05955ccb..15195aa7c13 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/Cancel/CancelRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
index ca378a1986c..d2dd9fcf28f 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilityScheduleRequests/Item/UnifiedRoleEligibilityScheduleRequestItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
index e6de00501ef..3849a3a1b58 100644
--- a/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/RoleManagement/EntitlementManagement/RoleEligibilitySchedules/Item/UnifiedRoleEligibilityScheduleItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/SchemaExtensions/Item/SchemaExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/SchemaExtensions/Item/SchemaExtensionItemRequestBuilder.cs
index bc6f5fa11fb..5790d2713f1 100644
--- a/src/Microsoft.Graph/Generated/SchemaExtensions/Item/SchemaExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/SchemaExtensions/Item/SchemaExtensionItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ScopedRoleMemberships/Item/ScopedRoleMembershipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ScopedRoleMemberships/Item/ScopedRoleMembershipItemRequestBuilder.cs
index ba13480d8d8..69e6e5515a3 100644
--- a/src/Microsoft.Graph/Generated/ScopedRoleMemberships/Item/ScopedRoleMembershipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ScopedRoleMemberships/Item/ScopedRoleMembershipItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Search/Acronyms/Item/AcronymItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Search/Acronyms/Item/AcronymItemRequestBuilder.cs
index d95ed47e5f3..6a7e8b472f8 100644
--- a/src/Microsoft.Graph/Generated/Search/Acronyms/Item/AcronymItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Search/Acronyms/Item/AcronymItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Search/Bookmarks/Item/BookmarkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Search/Bookmarks/Item/BookmarkItemRequestBuilder.cs
index f2f49cad60c..37611c7f8fa 100644
--- a/src/Microsoft.Graph/Generated/Search/Bookmarks/Item/BookmarkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Search/Bookmarks/Item/BookmarkItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Search/Qnas/Item/QnaItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Search/Qnas/Item/QnaItemRequestBuilder.cs
index e826af305e2..ba1408bc667 100644
--- a/src/Microsoft.Graph/Generated/Search/Qnas/Item/QnaItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Search/Qnas/Item/QnaItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Alerts_v2/Item/AlertItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Alerts_v2/Item/AlertItemRequestBuilder.cs
index f1253c3b466..d588b3c4079 100644
--- a/src/Microsoft.Graph/Generated/Security/Alerts_v2/Item/AlertItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Alerts_v2/Item/AlertItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/AttackSimulationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/AttackSimulationRequestBuilder.cs
index a4d8f881b2c..a34cfd8b557 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/AttackSimulationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/AttackSimulationRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/Details/Item/EndUserNotificationDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/Details/Item/EndUserNotificationDetailItemRequestBuilder.cs
index 192fc223549..ac9b88f439e 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/Details/Item/EndUserNotificationDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/Details/Item/EndUserNotificationDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/EndUserNotificationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/EndUserNotificationItemRequestBuilder.cs
index b7b12afb269..4919ff0c63a 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/EndUserNotificationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/EndUserNotifications/Item/EndUserNotificationItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/Details/Item/LandingPageDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/Details/Item/LandingPageDetailItemRequestBuilder.cs
index e567ee24b55..fe82a7c2a02 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/Details/Item/LandingPageDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/Details/Item/LandingPageDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/LandingPageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/LandingPageItemRequestBuilder.cs
index 94ee7395733..0de71686af1 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/LandingPageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LandingPages/Item/LandingPageItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LoginPages/Item/LoginPageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LoginPages/Item/LoginPageItemRequestBuilder.cs
index 5509c22078b..c5993342d87 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/LoginPages/Item/LoginPageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/LoginPages/Item/LoginPageItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Operations/Item/AttackSimulationOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Operations/Item/AttackSimulationOperationItemRequestBuilder.cs
index 28c978996e9..e1ec9f3f6ca 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Operations/Item/AttackSimulationOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Operations/Item/AttackSimulationOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Payloads/Item/PayloadItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Payloads/Item/PayloadItemRequestBuilder.cs
index 1525cf35134..eb1601f22a8 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Payloads/Item/PayloadItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Payloads/Item/PayloadItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/Runs/Item/SimulationAutomationRunItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/Runs/Item/SimulationAutomationRunItemRequestBuilder.cs
index 253007935a8..68937980188 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/Runs/Item/SimulationAutomationRunItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/Runs/Item/SimulationAutomationRunItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/SimulationAutomationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/SimulationAutomationItemRequestBuilder.cs
index 398d05bfdf7..fc01bdd11b3 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/SimulationAutomationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/SimulationAutomations/Item/SimulationAutomationItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Simulations/Item/SimulationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Simulations/Item/SimulationItemRequestBuilder.cs
index 49b1d0a235a..9bebf64032f 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Simulations/Item/SimulationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Simulations/Item/SimulationItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/LanguageDetails/Item/TrainingLanguageDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/LanguageDetails/Item/TrainingLanguageDetailItemRequestBuilder.cs
index 23a8d4379d9..327fe1fbcb9 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/LanguageDetails/Item/TrainingLanguageDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/LanguageDetails/Item/TrainingLanguageDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/TrainingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/TrainingItemRequestBuilder.cs
index 68f0821d7a4..3e943ba819b 100644
--- a/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/TrainingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/AttackSimulation/Trainings/Item/TrainingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/CasesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/CasesRequestBuilder.cs
index 73874ca378e..ebdd881b3ad 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/CasesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/CasesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/EdiscoveryCustodianItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/EdiscoveryCustodianItemRequestBuilder.cs
index c2825f4f184..180025e9bbb 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/EdiscoveryCustodianItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/EdiscoveryCustodianItemRequestBuilder.cs
@@ -175,6 +175,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityActivate/MicrosoftGraphSecurityActivateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityActivate/MicrosoftGraphSecurityActivateRequestBuilder.cs
index 789e9e288b8..d189baa8399 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityActivate/MicrosoftGraphSecurityActivateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityActivate/MicrosoftGraphSecurityActivateRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
index 82c2d4de94d..2acdfc836a2 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
index 3b49c610b49..7ffda39ef54 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
index 42092efa8b4..442227a8dc2 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
index 8917723c5d0..1ef0918ae57 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/SiteSources/Item/SiteSourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/SiteSources/Item/SiteSourceItemRequestBuilder.cs
index 62a98ea10f7..5b130bce22a 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/SiteSources/Item/SiteSourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/SiteSources/Item/SiteSourceItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UnifiedGroupSources/Item/UnifiedGroupSourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UnifiedGroupSources/Item/UnifiedGroupSourceItemRequestBuilder.cs
index 8b8a9f9c745..5983b2f2bf7 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UnifiedGroupSources/Item/UnifiedGroupSourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UnifiedGroupSources/Item/UnifiedGroupSourceItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UserSources/Item/UserSourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UserSources/Item/UserSourceItemRequestBuilder.cs
index f453be3f02a..d2059c5e18e 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UserSources/Item/UserSourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/Item/UserSources/Item/UserSourceItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
index 9efcdc7bc74..651e1d9b1fc 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
index 6db27123fa7..62a755f7e2b 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Custodians/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/EdiscoveryCaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/EdiscoveryCaseItemRequestBuilder.cs
index 15181877859..3ea8acffb85 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/EdiscoveryCaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/EdiscoveryCaseItemRequestBuilder.cs
@@ -177,6 +177,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityClose/MicrosoftGraphSecurityCloseRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityClose/MicrosoftGraphSecurityCloseRequestBuilder.cs
index 8659e0c0844..83e6ebf7ffe 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityClose/MicrosoftGraphSecurityCloseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityClose/MicrosoftGraphSecurityCloseRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityReopen/MicrosoftGraphSecurityReopenRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityReopen/MicrosoftGraphSecurityReopenRequestBuilder.cs
index eed0b5a49dd..878927d461e 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityReopen/MicrosoftGraphSecurityReopenRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/MicrosoftGraphSecurityReopen/MicrosoftGraphSecurityReopenRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/DataSource/DataSourceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/DataSource/DataSourceRequestBuilder.cs
index b9dd6849039..152f140f423 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/DataSource/DataSourceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/DataSource/DataSourceRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/EdiscoveryNoncustodialDataSourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/EdiscoveryNoncustodialDataSourceItemRequestBuilder.cs
index 253441cabae..7d78067122c 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/EdiscoveryNoncustodialDataSourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/EdiscoveryNoncustodialDataSourceItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
index 4b30013e5cc..b12c70b519c 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
index 5e0913fd43c..edb74a96dc9 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRelease/MicrosoftGraphSecurityReleaseRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
index ee518a53722..db9efde1d47 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
index f7bd9e5d76f..aaaa4ed9461 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/Item/MicrosoftGraphSecurityUpdateIndex/MicrosoftGraphSecurityUpdateIndexRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
index e1eb5314a3b..1290bba7cc2 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityApplyHold/MicrosoftGraphSecurityApplyHoldRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
index 4ec3b1892ad..7ad66e0eefe 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/NoncustodialDataSources/MicrosoftGraphSecurityRemoveHold/MicrosoftGraphSecurityRemoveHoldRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Operations/Item/CaseOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Operations/Item/CaseOperationItemRequestBuilder.cs
index 763b08c9874..3c325188d8e 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Operations/Item/CaseOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Operations/Item/CaseOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/EdiscoveryReviewSetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/EdiscoveryReviewSetItemRequestBuilder.cs
index a8b0f5e4233..31ca51a6b69 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/EdiscoveryReviewSetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/EdiscoveryReviewSetItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityAddToReviewSet/MicrosoftGraphSecurityAddToReviewSetRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityAddToReviewSet/MicrosoftGraphSecurityAddToReviewSetRequestBuilder.cs
index 39156f04401..fcb33010907 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityAddToReviewSet/MicrosoftGraphSecurityAddToReviewSetRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityAddToReviewSet/MicrosoftGraphSecurityAddToReviewSetRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
index f9d4835d6a3..ac629aa857f 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/EdiscoveryReviewSetQueryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/EdiscoveryReviewSetQueryItemRequestBuilder.cs
index 445d9ef68e3..df450f45d90 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/EdiscoveryReviewSetQueryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/EdiscoveryReviewSetQueryItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityApplyTags/MicrosoftGraphSecurityApplyTagsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityApplyTags/MicrosoftGraphSecurityApplyTagsRequestBuilder.cs
index 440c2b33e35..5f9830274ef 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityApplyTags/MicrosoftGraphSecurityApplyTagsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityApplyTags/MicrosoftGraphSecurityApplyTagsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
index cf0cc080a03..40d6a353f43 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/ReviewSets/Item/Queries/Item/MicrosoftGraphSecurityExport/MicrosoftGraphSecurityExportRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/AdditionalSources/Item/DataSourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/AdditionalSources/Item/DataSourceItemRequestBuilder.cs
index a209a501140..cae6dbf1cae 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/AdditionalSources/Item/DataSourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/AdditionalSources/Item/DataSourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/EdiscoverySearchItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/EdiscoverySearchItemRequestBuilder.cs
index 3d6da35bb6d..167f88cd909 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/EdiscoverySearchItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/EdiscoverySearchItemRequestBuilder.cs
@@ -177,6 +177,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityEstimateStatistics/MicrosoftGraphSecurityEstimateStatisticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityEstimateStatistics/MicrosoftGraphSecurityEstimateStatisticsRequestBuilder.cs
index 5462c02b441..a2d586c61bb 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityEstimateStatistics/MicrosoftGraphSecurityEstimateStatisticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityEstimateStatistics/MicrosoftGraphSecurityEstimateStatisticsRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportReport/MicrosoftGraphSecurityExportReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportReport/MicrosoftGraphSecurityExportReportRequestBuilder.cs
index 7daab2cef36..500c0cc1b52 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportReport/MicrosoftGraphSecurityExportReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportReport/MicrosoftGraphSecurityExportReportRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportResult/MicrosoftGraphSecurityExportResultRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportResult/MicrosoftGraphSecurityExportResultRequestBuilder.cs
index 15afc89d007..2fffb92474f 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportResult/MicrosoftGraphSecurityExportResultRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityExportResult/MicrosoftGraphSecurityExportResultRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityPurgeData/MicrosoftGraphSecurityPurgeDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityPurgeData/MicrosoftGraphSecurityPurgeDataRequestBuilder.cs
index 2e3767299d7..3fb8f35c04f 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityPurgeData/MicrosoftGraphSecurityPurgeDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Searches/Item/MicrosoftGraphSecurityPurgeData/MicrosoftGraphSecurityPurgeDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Secur
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/MicrosoftGraphSecurityResetToDefault/MicrosoftGraphSecurityResetToDefaultRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/MicrosoftGraphSecurityResetToDefault/MicrosoftGraphSecurityResetToDefaultRequestBuilder.cs
index 4d44965d8ae..a9bdfddae0d 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/MicrosoftGraphSecurityResetToDefault/MicrosoftGraphSecurityResetToDefaultRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/MicrosoftGraphSecurityResetToDefault/MicrosoftGraphSecurityResetToDefaultRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/SettingsRequestBuilder.cs
index 4ad19266868..405ffdf4a42 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Settings/SettingsRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Tags/Item/EdiscoveryReviewTagItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Tags/Item/EdiscoveryReviewTagItemRequestBuilder.cs
index 193daac7cf2..89ffe57b8b6 100644
--- a/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Tags/Item/EdiscoveryReviewTagItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Cases/EdiscoveryCases/Item/Tags/Item/EdiscoveryReviewTagItemRequestBuilder.cs
@@ -135,6 +135,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Identities/HealthIssues/Item/HealthIssueItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Identities/HealthIssues/Item/HealthIssueItemRequestBuilder.cs
index d836896d96f..80284fb351f 100644
--- a/src/Microsoft.Graph/Generated/Security/Identities/HealthIssues/Item/HealthIssueItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Identities/HealthIssues/Item/HealthIssueItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Identities/IdentitiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Identities/IdentitiesRequestBuilder.cs
index f8268185207..f857e3a8e9d 100644
--- a/src/Microsoft.Graph/Generated/Security/Identities/IdentitiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Identities/IdentitiesRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Identities/Sensors/Item/SensorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Identities/Sensors/Item/SensorItemRequestBuilder.cs
index 3ff34df91f0..d64778acac6 100644
--- a/src/Microsoft.Graph/Generated/Security/Identities/Sensors/Item/SensorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Identities/Sensors/Item/SensorItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Incidents/Item/IncidentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Incidents/Item/IncidentItemRequestBuilder.cs
index b999ff6c044..0d8b81dafc5 100644
--- a/src/Microsoft.Graph/Generated/Security/Incidents/Item/IncidentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Incidents/Item/IncidentItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/Authorities/Item/AuthorityTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/Authorities/Item/AuthorityTemplateItemRequestBuilder.cs
index 62c540189c8..e38acfefd4e 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/Authorities/Item/AuthorityTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/Authorities/Item/AuthorityTemplateItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/CategoryTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/CategoryTemplateItemRequestBuilder.cs
index 82df360c78f..dd752c0fd55 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/CategoryTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/CategoryTemplateItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/Subcategories/Item/SubcategoryTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/Subcategories/Item/SubcategoryTemplateItemRequestBuilder.cs
index f7d1a5431ec..ff5ba73d41c 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/Subcategories/Item/SubcategoryTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/Categories/Item/Subcategories/Item/SubcategoryTemplateItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/Citations/Item/CitationTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/Citations/Item/CitationTemplateItemRequestBuilder.cs
index ef295230e70..24f1eb59a1c 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/Citations/Item/CitationTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/Citations/Item/CitationTemplateItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/Departments/Item/DepartmentTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/Departments/Item/DepartmentTemplateItemRequestBuilder.cs
index de9bc218d6a..7bfe191a8a4 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/Departments/Item/DepartmentTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/Departments/Item/DepartmentTemplateItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/FilePlanReferences/Item/FilePlanReferenceTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/FilePlanReferences/Item/FilePlanReferenceTemplateItemRequestBuilder.cs
index 49315b787bc..5debe51c473 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/FilePlanReferences/Item/FilePlanReferenceTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/FilePlanReferences/Item/FilePlanReferenceTemplateItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/LabelsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/LabelsRequestBuilder.cs
index 7a5b4e42afc..59f5e802f82 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/LabelsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/LabelsRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/Descriptors/DescriptorsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/Descriptors/DescriptorsRequestBuilder.cs
index 12c5e6ec833..51309f49401 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/Descriptors/DescriptorsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/Descriptors/DescriptorsRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/DispositionReviewStages/Item/DispositionReviewStageStageNumberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/DispositionReviewStages/Item/DispositionReviewStageStageNumberItemRequestBuilder.cs
index 6abf091f44e..7919b9d5f0d 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/DispositionReviewStages/Item/DispositionReviewStageStageNumberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/DispositionReviewStages/Item/DispositionReviewStageStageNumberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/RetentionLabelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/RetentionLabelItemRequestBuilder.cs
index 58c4d46f438..1ad7ac07fb6 100644
--- a/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/RetentionLabelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Labels/RetentionLabels/Item/RetentionLabelItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SecureScoreControlProfiles/Item/SecureScoreControlProfileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SecureScoreControlProfiles/Item/SecureScoreControlProfileItemRequestBuilder.cs
index 2c2045c37e8..317ef3af2b1 100644
--- a/src/Microsoft.Graph/Generated/Security/SecureScoreControlProfiles/Item/SecureScoreControlProfileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SecureScoreControlProfiles/Item/SecureScoreControlProfileItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SecureScores/Item/SecureScoreItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SecureScores/Item/SecureScoreItemRequestBuilder.cs
index b7a40a7b0c5..d4506c3933a 100644
--- a/src/Microsoft.Graph/Generated/Security/SecureScores/Item/SecureScoreItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SecureScores/Item/SecureScoreItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
index 67bd3d9c81b..e24633d1f14 100644
--- a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalAttachment/GetFinalAttachmentRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
index 8a979c1ace2..68594d4277e 100644
--- a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/GetFinalReport/GetFinalReportRequestBuilder.cs
@@ -73,7 +73,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
index d78d13fe88b..a2ba6c74dba 100644
--- a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/Notes/Item/AuthoredNoteItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
index abd96c026bb..7df9225e296 100644
--- a/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/SubjectRightsRequests/Item/SubjectRightsRequestItemRequestBuilder.cs
@@ -178,6 +178,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ArticleIndicators/Item/ArticleIndicatorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ArticleIndicators/Item/ArticleIndicatorItemRequestBuilder.cs
index c3c2285bee1..7f6680c0f58 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ArticleIndicators/Item/ArticleIndicatorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ArticleIndicators/Item/ArticleIndicatorItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Articles/Item/ArticleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Articles/Item/ArticleItemRequestBuilder.cs
index 177aa3ef535..b7790860240 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Articles/Item/ArticleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Articles/Item/ArticleItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostComponents/Item/HostComponentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostComponents/Item/HostComponentItemRequestBuilder.cs
index fb15f61b91e..4a91dc64601 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostComponents/Item/HostComponentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostComponents/Item/HostComponentItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostCookies/Item/HostCookieItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostCookies/Item/HostCookieItemRequestBuilder.cs
index 061d73dc236..fc574b583d2 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostCookies/Item/HostCookieItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostCookies/Item/HostCookieItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPairs/Item/HostPairItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPairs/Item/HostPairItemRequestBuilder.cs
index 85b88ab4982..ccf4f7d1da0 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPairs/Item/HostPairItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPairs/Item/HostPairItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPorts/Item/HostPortItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPorts/Item/HostPortItemRequestBuilder.cs
index cd610d11fdb..abc2a6fed97 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPorts/Item/HostPortItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostPorts/Item/HostPortItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostSslCertificates/Item/HostSslCertificateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostSslCertificates/Item/HostSslCertificateItemRequestBuilder.cs
index 48f19aaaca2..c4add1b1836 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostSslCertificates/Item/HostSslCertificateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostSslCertificates/Item/HostSslCertificateItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostTrackers/Item/HostTrackerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostTrackers/Item/HostTrackerItemRequestBuilder.cs
index 0e3e16597c3..77573fa5b84 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostTrackers/Item/HostTrackerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/HostTrackers/Item/HostTrackerItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/HostItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/HostItemRequestBuilder.cs
index f2dd1556afd..098843aaa69 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/HostItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/HostItemRequestBuilder.cs
@@ -199,6 +199,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/Reputation/ReputationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/Reputation/ReputationRequestBuilder.cs
index 68ab1c3f5e2..615bc3e1b14 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/Reputation/ReputationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Hosts/Item/Reputation/ReputationRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelProfiles/Item/IntelligenceProfileItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelProfiles/Item/IntelligenceProfileItemRequestBuilder.cs
index d0142a48f12..01bceb519ea 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelProfiles/Item/IntelligenceProfileItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelProfiles/Item/IntelligenceProfileItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelligenceProfileIndicators/Item/IntelligenceProfileIndicatorItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelligenceProfileIndicators/Item/IntelligenceProfileIndicatorItemRequestBuilder.cs
index 19611c4a7c5..e3e94ac06ed 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelligenceProfileIndicators/Item/IntelligenceProfileIndicatorItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/IntelligenceProfileIndicators/Item/IntelligenceProfileIndicatorItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/PassiveDnsRecords/Item/PassiveDnsRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/PassiveDnsRecords/Item/PassiveDnsRecordItemRequestBuilder.cs
index 705fb71ba5d..dd55b70a5e9 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/PassiveDnsRecords/Item/PassiveDnsRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/PassiveDnsRecords/Item/PassiveDnsRecordItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/SslCertificates/Item/SslCertificateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/SslCertificates/Item/SslCertificateItemRequestBuilder.cs
index cc97791942b..b9268fb8832 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/SslCertificates/Item/SslCertificateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/SslCertificates/Item/SslCertificateItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Subdomains/Item/SubdomainItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Subdomains/Item/SubdomainItemRequestBuilder.cs
index 5d3427883c6..3f907f97116 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Subdomains/Item/SubdomainItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Subdomains/Item/SubdomainItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ThreatIntelligenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ThreatIntelligenceRequestBuilder.cs
index 6e34dd04dd3..7c22ef3cbc3 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ThreatIntelligenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/ThreatIntelligenceRequestBuilder.cs
@@ -222,6 +222,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/Components/Item/VulnerabilityComponentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/Components/Item/VulnerabilityComponentItemRequestBuilder.cs
index 4fa62c90b32..339da2018e0 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/Components/Item/VulnerabilityComponentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/Components/Item/VulnerabilityComponentItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/VulnerabilityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/VulnerabilityItemRequestBuilder.cs
index 6ab21b3a6f1..689b21629d8 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/VulnerabilityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/Vulnerabilities/Item/VulnerabilityItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisHistoryRecords/Item/WhoisHistoryRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisHistoryRecords/Item/WhoisHistoryRecordItemRequestBuilder.cs
index f9b8f8ea628..91c1ffb0082 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisHistoryRecords/Item/WhoisHistoryRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisHistoryRecords/Item/WhoisHistoryRecordItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisRecords/Item/WhoisRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisRecords/Item/WhoisRecordItemRequestBuilder.cs
index 5104de641b1..6250eb1b983 100644
--- a/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisRecords/Item/WhoisRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/ThreatIntelligence/WhoisRecords/Item/WhoisRecordItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/TriggerTypes/RetentionEventTypes/Item/RetentionEventTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/TriggerTypes/RetentionEventTypes/Item/RetentionEventTypeItemRequestBuilder.cs
index 19ae8926e15..81e0fec2bde 100644
--- a/src/Microsoft.Graph/Generated/Security/TriggerTypes/RetentionEventTypes/Item/RetentionEventTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/TriggerTypes/RetentionEventTypes/Item/RetentionEventTypeItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/TriggerTypes/TriggerTypesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/TriggerTypes/TriggerTypesRequestBuilder.cs
index de40974b436..a0efc54abb3 100644
--- a/src/Microsoft.Graph/Generated/Security/TriggerTypes/TriggerTypesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/TriggerTypes/TriggerTypesRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Triggers/RetentionEvents/Item/RetentionEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Triggers/RetentionEvents/Item/RetentionEventItemRequestBuilder.cs
index 097efdc038e..959686167be 100644
--- a/src/Microsoft.Graph/Generated/Security/Triggers/RetentionEvents/Item/RetentionEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Triggers/RetentionEvents/Item/RetentionEventItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Security/Triggers/TriggersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Security/Triggers/TriggersRequestBuilder.cs
index 4e446edaef9..9f120fbd007 100644
--- a/src/Microsoft.Graph/Generated/Security/Triggers/TriggersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Security/Triggers/TriggersRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignedTo/Item/AppRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignedTo/Item/AppRoleAssignmentItemRequestBuilder.cs
index 5ea44fae955..3d6da98659f 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignedTo/Item/AppRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignedTo/Item/AppRoleAssignmentItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
index 24026dd1f5c..c78f6056cad 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Item/Ref/RefRequestBuilder.cs
index 450c56d14ec..11b2324f8ee 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Ref/RefRequestBuilder.cs
index d6a2aa929ec..b090ad2df77 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ClaimsMappingPolicies/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/claimsMappingPolicies/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/claimsMappingPolicies/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/DelegatedPermissionClassifications/Item/DelegatedPermissionClassificationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/DelegatedPermissionClassifications/Item/DelegatedPermissionClassificationItemRequestBuilder.cs
index bd6e890573a..9a51460211b 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/DelegatedPermissionClassifications/Item/DelegatedPermissionClassificationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/DelegatedPermissionClassifications/Item/DelegatedPermissionClassificationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Endpoints/Item/EndpointItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Endpoints/Item/EndpointItemRequestBuilder.cs
index 426066a952a..d9606f0fb34 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Endpoints/Item/EndpointItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Endpoints/Item/EndpointItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
index 466cb68923e..d4fb3a3293d 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentials/Item/FederatedIdentityCredentialItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
index c3708e6b50c..2664f65eb56 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/FederatedIdentityCredentialsWithName/FederatedIdentityCredentialsWithNameRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Item/Ref/RefRequestBuilder.cs
index a244b8c7807..d0ad9a8a005 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Ref/RefRequestBuilder.cs
index 269df19c9d7..a3567bcf5a5 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/HomeRealmDiscoveryPolicies/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/homeRealmDiscoveryPolicies/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/homeRealmDiscoveryPolicies/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Item/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Item/Ref/RefRequestBuilder.cs
index 217ebdbf3ca..e551d632e62 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Item/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Item/Ref/RefRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Ref/RefRequestBuilder.cs
index c2f0bf0b3c0..56798ee9b7f 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Owners/Ref/RefRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/owners/$ref?@id={%40id}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, "{+baseurl}/servicePrincipals/{servicePrincipal%2Did}/owners/$ref", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/RemoteDesktopSecurityConfigurationRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/RemoteDesktopSecurityConfigurationRequestBuilder.cs
index a4c3a4157a6..f6cf3597d27 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/RemoteDesktopSecurityConfigurationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/RemoteDesktopSecurityConfigurationRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/TargetDeviceGroups/Item/TargetDeviceGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/TargetDeviceGroups/Item/TargetDeviceGroupItemRequestBuilder.cs
index 5c0364d8708..3ba9b432d27 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/TargetDeviceGroups/Item/TargetDeviceGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoteDesktopSecurityConfiguration/TargetDeviceGroups/Item/TargetDeviceGroupItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoveKey/RemoveKeyRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoveKey/RemoveKeyRequestBuilder.cs
index cb7d97c7852..2cab13e726c 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoveKey/RemoveKeyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemoveKey/RemoveKeyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemovePassword/RemovePasswordRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemovePassword/RemovePasswordRequestBuilder.cs
index 96c3d98de16..4a99c994e11 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemovePassword/RemovePasswordRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/RemovePassword/RemovePasswordRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ServicePrincipalItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ServicePrincipalItemRequestBuilder.cs
index 926b9602515..2f2c076aec4 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ServicePrincipalItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/ServicePrincipalItemRequestBuilder.cs
@@ -302,6 +302,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
index a8398e38adb..e725ac4ab83 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/AcquireAccessToken/AcquireAccessTokenRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
index 82402f5cff0..02433b17f16 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/BulkUploadRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
index 094ea131eef..af0df38508f 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/BulkUpload/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
index ae7f1577e95..940951e16bb 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Pause/PauseRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
index 82f135128fe..2e3358e6e50 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Restart/RestartRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
index 43f16ed81b6..9a154ba31a7 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
index fed6d49f94d..c39b66ff50c 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Schema/SchemaRequestBuilder.cs
@@ -146,6 +146,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
index be6bdd1ed7a..7d6783e8515 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/Start/StartRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
index 4af2ce60102..fb6a0c97de5 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/SynchronizationJobItemRequestBuilder.cs
@@ -164,6 +164,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
index f2f5137bf53..37db25f2727 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/Item/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
index 10023404cf6..465b16c1a9d 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Jobs/ValidateCredentials/ValidateCredentialsRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/SynchronizationRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/SynchronizationRequestBuilder.cs
index ad0d0467cd0..1222ab26d35 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/SynchronizationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/SynchronizationRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
index 1b1c08cfa84..232cd7fc868 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/Directories/Item/DirectoryDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
index a8c51f90dc1..d9fc502f91a 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/Schema/SchemaRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
index 2d41d6b1f18..b4c99a46949 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/Item/Synchronization/Templates/Item/SynchronizationTemplateItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipals/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipals/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 05e77ab323d..891e3bcde16 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipals/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipals/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Servi
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/ServicePrincipalsWithAppId/ServicePrincipalsWithAppIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/ServicePrincipalsWithAppId/ServicePrincipalsWithAppIdRequestBuilder.cs
index 3f4457ed152..4e8e6c59d3f 100644
--- a/src/Microsoft.Graph/Generated/ServicePrincipalsWithAppId/ServicePrincipalsWithAppIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/ServicePrincipalsWithAppId/ServicePrincipalsWithAppIdRequestBuilder.cs
@@ -125,6 +125,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/DriveItem/Content/ContentRequestBuilder.cs
index 19ceaa51804..687102840fa 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/Items/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/Items/Item/Content/ContentRequestBuilder.cs
index a3469fc94c5..b7a818327b3 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/Items/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/Items/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index d571d303ad0..0010e0c857e 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index 4c087cc48a1..0d1206b49c5 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Share
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index a21f6b747ee..80402929c64 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 71620be54bf..acc6dd5efba 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index dbb9989f70e..e45e1e8cab8 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index d05e2b2e953..9bd7917be4a 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Share
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index 83fbba0611e..0965984341d 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index 34fa8a6570b..f494f92806e 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
index e1c6d10655d..4ba52dfba74 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
index 1cee6944e12..f9b881b1177 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
index 9a9fe9da908..5067fa07d9f 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
index 001340ecd54..4d529b82073 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
index e14d72e9b6a..31c11e40c38 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/ListItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/ListItemItemRequestBuilder.cs
index c8dda968f01..9cd0e2ee987 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/ListItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/ListItemItemRequestBuilder.cs
@@ -189,6 +189,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
index c930caa0f44..81f6b4cfee5 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
index 90cda8cb253..f96b7357fab 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
index c98cf8a952f..b13edfbeedd 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/ListRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/ListRequestBuilder.cs
index 59ea3d22ff0..79927cc9b2d 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/ListRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/ListRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index d04ab492cb9..fb10fbc3349 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index 780e74a599b..2e58c0b5acf 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index d5591aedab9..6b4b19b4cd2 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/List/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/Permission/PermissionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/Permission/PermissionRequestBuilder.cs
index 39a93ea9fd8..9930870a73b 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/Permission/PermissionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/Permission/PermissionRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/Root/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/Root/Content/ContentRequestBuilder.cs
index ad75e417877..f9f31b3dd00 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/Root/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/Root/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Shares/Item/SharedDriveItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Shares/Item/SharedDriveItemItemRequestBuilder.cs
index 176289803ee..ebf549bf5d2 100644
--- a/src/Microsoft.Graph/Generated/Shares/Item/SharedDriveItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Shares/Item/SharedDriveItemItemRequestBuilder.cs
@@ -175,6 +175,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/AnalyticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
index 7399faa8184..0b41367d297 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/AnalyticsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
index f73bb3985ce..71ccee6ad15 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
index ec3f8876790..0c93ab49b20 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/Activities/Item/ItemActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
index 4524357d934..a4d859ca5d6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Analytics/ItemActivityStats/Item/ItemActivityStatItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 2442ccf67f6..b4904c147ce 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index a1f47351318..2466d6c1b25 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index 4e54316e579..ebf97c03f24 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index d0d36bda2ef..e702cfb3d22 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index fb04cf0ceba..602d3e16165 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -183,6 +183,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index 11d69733bc7..db5fbac3ebd 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index f2036bd8473..8a8670aae5d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index f9059f2bb89..61b4e8995c0 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
index 0273e8d9bbd..009dcbd057e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Analytics/AnalyticsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
index 70bf8d1d215..73fa6a58dee 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/Onenote/OnenoteRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
index 75f16fa1d7f..5ff7c7a6a9c 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/GetByPathWithPath/TermStore/TermStoreRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index efe11f46e11..e7437067991 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
index 77a05a2e8df..6d08880b395 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/AssociateWithHubSites/AssociateWithHubSitesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
index 897b862b8c1..e70d6675654 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ColumnLinks/Item/ColumnLinkItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
index 587bde6aa64..708a9a745bf 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Columns/Item/ColumnDefinitionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
index ce17159ec30..991ee3c39d6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/ContentTypeItemRequestBuilder.cs
@@ -180,6 +180,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
index 98180b5df76..37e91f08048 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/CopyToDefaultContentLocation/CopyToDefaultContentLocationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
index f6f515ee2c1..6aab6542b2b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
index fc2c5c56171..b430e1c0526 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ContentTypes/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
index e77a13f6725..b780506c280 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/DocumentSetVersionItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
index 7e2d33dd0e1..e3c3304d456 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
index 545d23e80e1..81725932bbd 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DocumentSetVersions/Item/Restore/RestoreRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
index d0ec20dbf0c..fa088b51474 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/DriveItem/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
index 14bf84f976c..3bd8869ec10 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Fields/FieldsRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
index 1c97052fd37..913c6f4954c 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/ListItemItemRequestBuilder.cs
@@ -191,6 +191,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
index 688e3131bb9..dd3261d01da 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/Fields/FieldsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
index 0761a3401cc..b7b46c2258b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/ListItemVersionItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
index 386bad1a964..a5fdd1fef75 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Items/Item/Versions/Item/RestoreVersion/RestoreVersionRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ListItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
index 4cbb76344f4..942a4deb640 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/ListItemRequestBuilder.cs
@@ -105,8 +105,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get a list of rich long-running operations associated with a list.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/list-list-operations?view=graph-rest-1.0" />
+        /// Returns the metadata for a list.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/list-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.List"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -169,10 +169,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Get a list of rich long-running operations associated with a list.
+        /// Returns the metadata for a list.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -230,7 +231,7 @@ public partial class ListItemRequestBuilderDeleteRequestConfiguration : RequestC
         {
         }
         /// <summary>
-        /// Get a list of rich long-running operations associated with a list.
+        /// Returns the metadata for a list.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class ListItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index a73a892dcc7..ebb68576fa0 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index aa3ce0b95ad..e94ce54d703 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index 78f876eff9d..f134c87823e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Lists/Item/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
index d0905ae13e8..e1fa2767724 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 3dac3ddddbc..3f9c9f5b119 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index b140296e9a1..188f39aa47d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index d158dbd62d1..e6c74846949 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 70f5f6aae68..c2dc534b180 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 4eacffc31b3..0cbe7633a3a 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 0cc3e3b5b2a..f8d95fccccc 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index d43483b0957..a3f1e991acb 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 92241f653df..cc7cb113125 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index caba5f3d302..91e0dc4d94e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/OnenoteRequestBuilder.cs
index a6460054dce..c8a03096f0b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/OnenoteRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
index e788942f396..b296c214fdd 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
index 6e5f7c6ebf2..f72072c00b6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
index fcadb2724a2..4738249abc6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 36ce37714f5..87c39e55696 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
index 48a2b37ea90..e096acbd994 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
index 947eaf4a04a..e99542d0335 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index bcade12528d..668d95c30b1 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index db6fe3dd786..f3d447107b6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 4394b5509e2..58dca192615 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index f024f77c4f9..f7607986957 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index d03a49b6ac7..7b942e1b63d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 3796da94671..98ad104f6e8 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 25a605aed7a..6e6675eb486 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -98,7 +98,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 582f90f15bd..569a26d348d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 399950fd13b..610d75a7ccc 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Sites
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
index 2873aa95cd5..6056c75fc07 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Operations/Item/RichLongRunningOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
index 64c353e2fae..a73589a8e21 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/BaseSitePageItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
index 53e0a0da154..387b3c4059a 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/CanvasLayoutRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
index 86770701dff..132de60a524 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/HorizontalSectionColumnItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
index 92bea2aaa3e..76fae7dce95 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/Columns/Item/Webparts/Item/WebPartItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
index c7d3a38a62b..18f43c8a255 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/HorizontalSections/Item/HorizontalSectionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
index 4ce185d7aa6..873bdac353f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/VerticalSectionRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
index b86cf3b0240..4ee2e863218 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/CanvasLayout/VerticalSection/Webparts/Item/WebPartItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
index c39d20cf680..92553695bd3 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Pages/Item/GraphSitePage/WebParts/Item/WebPartItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
index bbf32ed1cf3..56bb4285c5b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/Permissions/Item/PermissionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
index 7bd8f92b136..89a5cf0f5f9 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/GroupItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index f55e42fc550..3fffead6058 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index bef1c3de858..171351ea5dd 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 1acc25c12cd..1287263598b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 43813c3519e..d7813748c9f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 478d0555d50..38edf7f2a71 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 70bd752ca9a..97409574794 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
index 4a73ae4f5df..d94a671e68e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 4606efc46da..018b8bf2d20 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 11c9c1736e2..d4561101f0f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 41561638f4f..04edfecb2ba 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index bcc3ca341b6..3291792f2a1 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 68b14cc04db..f6d2ec14ae7 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index c7eead7f7e0..ccbf9933bd4 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index f12dae7a3f7..5550763516b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 23b37f125ac..060586a672a 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 78691895d6c..69b288856be 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 3cef28ae65e..c777f850158 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index c35593e2355..0b6699d2841 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 9c96b5a9275..643fa717fff 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 07e09a42cac..8f8bba769d4 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 3c64cb071db..1b0cf6424f2 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
index 96d12cd7e8e..0ff9a735b3f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 860aff1e50d..bb41d1dff2b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index b9c16b11fe4..97dd28cb1a0 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 0c0f2dbf3fc..42faaa82d31 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 7fc858d845b..0d91e18fd4e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 2214d6cadf8..1a4c8b358f8 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
index 7b820a879df..305c3fdc947 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/SetItemRequestBuilder.cs
@@ -147,6 +147,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index a3b4a0ace92..e474ba04970 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 09faeae59d9..f216ade63c9 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index f558587cef5..180a79d40d5 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 919bfa6d399..bbf9967604b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/TermStoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/TermStoreRequestBuilder.cs
index 9358d94aff0..657aa7d1ba9 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStore/TermStoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStore/TermStoreRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
index aad55dd4b4c..b3883714da9 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/GroupItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 8bfd02577d5..32f715e6a34 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index 94434a31424..8553403de4d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 6f4581e2090..37664ffc065 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index cf48c5b3a7c..d99afe5a474 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index d8f440b7054..e4e1a029b48 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index d54b4405902..ba5a5a08e7e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
index 990dff82e12..a043878283f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 7d9d0e41bdd..7f0d2586d75 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index a2594be9ef4..bacd88b8ca8 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 86b0985b72d..4e098a7806b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 6efa30d20a3..92097c3a07d 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Groups/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 35079926e8d..1accf54a588 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index eef2b413050..95bd006c269 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index a95769961db..fbf52f54e01 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 1548479ca00..a5fb0fd0f49 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
index 34a7e20c711..0e8f885ebe3 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/ParentGroupRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 85e0a011230..48f16067fc6 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
index e4ea5bd4b47..4f91fe1c41f 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index d632d48e8cf..c135cabd857 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
index 352345b93b6..c6f7c9d0440 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Children/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index d1dde5e23e4..eec81ace15b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
index 143b3627e0c..d239f9dc8e7 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/SetItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 0a745571817..66ee37a7f49 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 1fe2f9f08bd..0e6b9d3fed9 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index 206deaf0fad..21ae49d5743 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 3c5e30000b4..68282a9b315 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/ParentGroup/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
index 29370318a81..9f65c1571f0 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
index dd18953d714..b86ee7c6073 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/SetItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
index 7857dc16ba9..9ee786251d0 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
index 61785757124..e876ec9a189 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Children/Item/TermItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
index b75711fad2f..45a83d12e5b 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/Relations/Item/RelationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
index 1d9d48816e5..2f43d633636 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/Sets/Item/Terms/Item/TermItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
index 6e576e62478..f3b24d5311e 100644
--- a/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/Item/TermStores/Item/StoreItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Sites/SitesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Sites/SitesRequestBuilder.cs
index 48b3f1b9544..047d4e1dbc9 100644
--- a/src/Microsoft.Graph/Generated/Sites/SitesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Sites/SitesRequestBuilder.cs
@@ -78,8 +78,8 @@ public SitesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base
         {
         }
         /// <summary>
-        /// List all available sites in an organization. Specific filter criteria and query options are also supported and described below: In addition, you can use a $search query against the /sites collection to find sites matching given keywords.If you want to list all sites across all geographies, refer to getAllSites. For more guidance about building applications that use site discovery for scanning purposes, see Best practices for discovering files and detecting changes at scale.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/site-list?view=graph-rest-1.0" />
+        /// Search across a SharePoint tenant for sites that match keywords provided. The only property that works for sorting is createdDateTime. The search filter is a free text search that uses multiple properties when retrieving the search results.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/site-search?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.SiteCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -102,7 +102,7 @@ public SitesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.SiteCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.SiteCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List all available sites in an organization. Specific filter criteria and query options are also supported and described below: In addition, you can use a $search query against the /sites collection to find sites matching given keywords.If you want to list all sites across all geographies, refer to getAllSites. For more guidance about building applications that use site discovery for scanning purposes, see Best practices for discovering files and detecting changes at scale.
+        /// Search across a SharePoint tenant for sites that match keywords provided. The only property that works for sorting is createdDateTime. The search filter is a free text search that uses multiple properties when retrieving the search results.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -130,7 +130,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return new global::Microsoft.Graph.Sites.SitesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List all available sites in an organization. Specific filter criteria and query options are also supported and described below: In addition, you can use a $search query against the /sites collection to find sites matching given keywords.If you want to list all sites across all geographies, refer to getAllSites. For more guidance about building applications that use site discovery for scanning purposes, see Best practices for discovering files and detecting changes at scale.
+        /// Search across a SharePoint tenant for sites that match keywords provided. The only property that works for sorting is createdDateTime. The search filter is a free text search that uses multiple properties when retrieving the search results.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class SitesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/BackupRestoreRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/BackupRestoreRequestBuilder.cs
index 377ce826f75..0a68628afa0 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/BackupRestoreRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/BackupRestoreRequestBuilder.cs
@@ -247,6 +247,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveInclusionRules/Item/DriveProtectionRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveInclusionRules/Item/DriveProtectionRuleItemRequestBuilder.cs
index 3025ee58426..09ee0f55e8e 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveInclusionRules/Item/DriveProtectionRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveInclusionRules/Item/DriveProtectionRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnits/Item/DriveProtectionUnitItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnits/Item/DriveProtectionUnitItemRequestBuilder.cs
index 147284cd240..bb8aa7a1ac7 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnits/Item/DriveProtectionUnitItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnits/Item/DriveProtectionUnitItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnitsBulkAdditionJobs/Item/DriveProtectionUnitsBulkAdditionJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnitsBulkAdditionJobs/Item/DriveProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
index 439d342127f..e0599930865 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnitsBulkAdditionJobs/Item/DriveProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/DriveProtectionUnitsBulkAdditionJobs/Item/DriveProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeProtectionPolicies/Item/ExchangeProtectionPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeProtectionPolicies/Item/ExchangeProtectionPolicyItemRequestBuilder.cs
index b81e412c6ca..149ee379923 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeProtectionPolicies/Item/ExchangeProtectionPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeProtectionPolicies/Item/ExchangeProtectionPolicyItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/ExchangeRestoreSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/ExchangeRestoreSessionItemRequestBuilder.cs
index bd9eec4bc92..3377a38256a 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/ExchangeRestoreSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/ExchangeRestoreSessionItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/GranularMailboxRestoreArtifacts/Item/GranularMailboxRestoreArtifactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/GranularMailboxRestoreArtifacts/Item/GranularMailboxRestoreArtifactItemRequestBuilder.cs
index a158c75749f..78bff36186b 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/GranularMailboxRestoreArtifacts/Item/GranularMailboxRestoreArtifactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/GranularMailboxRestoreArtifacts/Item/GranularMailboxRestoreArtifactItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifacts/Item/MailboxRestoreArtifactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifacts/Item/MailboxRestoreArtifactItemRequestBuilder.cs
index 62520f5e4e9..a6f15cb4e5d 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifacts/Item/MailboxRestoreArtifactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifacts/Item/MailboxRestoreArtifactItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifactsBulkAdditionRequests/Item/MailboxRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifactsBulkAdditionRequests/Item/MailboxRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
index 25ad6388cc3..b3ff2908d2c 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifactsBulkAdditionRequests/Item/MailboxRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ExchangeRestoreSessions/Item/MailboxRestoreArtifactsBulkAdditionRequests/Item/MailboxRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxInclusionRules/Item/MailboxProtectionRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxInclusionRules/Item/MailboxProtectionRuleItemRequestBuilder.cs
index 6423d25667a..05adccf2097 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxInclusionRules/Item/MailboxProtectionRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxInclusionRules/Item/MailboxProtectionRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnits/Item/MailboxProtectionUnitItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnits/Item/MailboxProtectionUnitItemRequestBuilder.cs
index 3b6fd84f4d3..405535c3db8 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnits/Item/MailboxProtectionUnitItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnits/Item/MailboxProtectionUnitItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnitsBulkAdditionJobs/Item/MailboxProtectionUnitsBulkAdditionJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnitsBulkAdditionJobs/Item/MailboxProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
index 963b200db80..908f286197f 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnitsBulkAdditionJobs/Item/MailboxProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/MailboxProtectionUnitsBulkAdditionJobs/Item/MailboxProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessProtectionPolicies/Item/OneDriveForBusinessProtectionPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessProtectionPolicies/Item/OneDriveForBusinessProtectionPolicyItemRequestBuilder.cs
index fd51c0f267d..5eb1563dbc0 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessProtectionPolicies/Item/OneDriveForBusinessProtectionPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessProtectionPolicies/Item/OneDriveForBusinessProtectionPolicyItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifacts/Item/DriveRestoreArtifactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifacts/Item/DriveRestoreArtifactItemRequestBuilder.cs
index 07bd3b0f87b..e4a4d60c179 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifacts/Item/DriveRestoreArtifactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifacts/Item/DriveRestoreArtifactItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifactsBulkAdditionRequests/Item/DriveRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifactsBulkAdditionRequests/Item/DriveRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
index aac08843237..202c458e03a 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifactsBulkAdditionRequests/Item/DriveRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/DriveRestoreArtifactsBulkAdditionRequests/Item/DriveRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/OneDriveForBusinessRestoreSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/OneDriveForBusinessRestoreSessionItemRequestBuilder.cs
index 4b9f9452cd5..700a9c24f1a 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/OneDriveForBusinessRestoreSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/OneDriveForBusinessRestoreSessions/Item/OneDriveForBusinessRestoreSessionItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ProtectionPolicies/Item/ProtectionPolicyBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ProtectionPolicies/Item/ProtectionPolicyBaseItemRequestBuilder.cs
index 375a8a38177..ce0d1bfb5ba 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ProtectionPolicies/Item/ProtectionPolicyBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ProtectionPolicies/Item/ProtectionPolicyBaseItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestorePoints/Item/RestorePointItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestorePoints/Item/RestorePointItemRequestBuilder.cs
index 5e8a5176cf3..093248c23fc 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestorePoints/Item/RestorePointItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestorePoints/Item/RestorePointItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestoreSessions/Item/RestoreSessionBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestoreSessions/Item/RestoreSessionBaseItemRequestBuilder.cs
index b749f83dc6e..5766dd165a7 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestoreSessions/Item/RestoreSessionBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/RestoreSessions/Item/RestoreSessionBaseItemRequestBuilder.cs
@@ -128,6 +128,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ServiceApps/Item/ServiceAppItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ServiceApps/Item/ServiceAppItemRequestBuilder.cs
index 48c82316cd4..2c3ffad1122 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ServiceApps/Item/ServiceAppItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/ServiceApps/Item/ServiceAppItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointProtectionPolicies/Item/SharePointProtectionPolicyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointProtectionPolicies/Item/SharePointProtectionPolicyItemRequestBuilder.cs
index 9cd9a44927f..8816b75ff67 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointProtectionPolicies/Item/SharePointProtectionPolicyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointProtectionPolicies/Item/SharePointProtectionPolicyItemRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SharePointRestoreSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SharePointRestoreSessionItemRequestBuilder.cs
index fb57a2f1b77..2278c863b0c 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SharePointRestoreSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SharePointRestoreSessionItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifacts/Item/SiteRestoreArtifactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifacts/Item/SiteRestoreArtifactItemRequestBuilder.cs
index 47967aeb827..3c369073f35 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifacts/Item/SiteRestoreArtifactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifacts/Item/SiteRestoreArtifactItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifactsBulkAdditionRequests/Item/SiteRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifactsBulkAdditionRequests/Item/SiteRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
index 87184d4d96f..4fcb3831207 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifactsBulkAdditionRequests/Item/SiteRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SharePointRestoreSessions/Item/SiteRestoreArtifactsBulkAdditionRequests/Item/SiteRestoreArtifactsBulkAdditionRequestItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteInclusionRules/Item/SiteProtectionRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteInclusionRules/Item/SiteProtectionRuleItemRequestBuilder.cs
index d916e49ec48..2ce2058fae1 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteInclusionRules/Item/SiteProtectionRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteInclusionRules/Item/SiteProtectionRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnits/Item/SiteProtectionUnitItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnits/Item/SiteProtectionUnitItemRequestBuilder.cs
index bdcea5b1862..b0315b32a5b 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnits/Item/SiteProtectionUnitItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnits/Item/SiteProtectionUnitItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnitsBulkAdditionJobs/Item/SiteProtectionUnitsBulkAdditionJobItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnitsBulkAdditionJobs/Item/SiteProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
index e161519ab65..5ebfccc6563 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnitsBulkAdditionJobs/Item/SiteProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BackupRestore/SiteProtectionUnitsBulkAdditionJobs/Item/SiteProtectionUnitsBulkAdditionJobItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/BookingAppointmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/BookingAppointmentItemRequestBuilder.cs
index b3724687242..faa1af2916b 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/BookingAppointmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/BookingAppointmentItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/Cancel/CancelRequestBuilder.cs
index f2853f70761..e0f3b2359e5 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Appointments/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Solut
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/BookingBusinessItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/BookingBusinessItemRequestBuilder.cs
index fe5dd2a23bf..fae82566a7b 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/BookingBusinessItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/BookingBusinessItemRequestBuilder.cs
@@ -177,6 +177,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/BookingAppointmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/BookingAppointmentItemRequestBuilder.cs
index 0172532ebad..8c79c553909 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/BookingAppointmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/BookingAppointmentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, "{+baseurl}/solutions/bookingBusinesses/{bookingBusiness%2Did}/calendarView/{bookingAppointment%2Did}", PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 53789a0733a..ecacb682671 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Solut
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CustomQuestions/Item/BookingCustomQuestionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CustomQuestions/Item/BookingCustomQuestionItemRequestBuilder.cs
index 6fa7a420e5c..8232b65d850 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CustomQuestions/Item/BookingCustomQuestionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/CustomQuestions/Item/BookingCustomQuestionItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Customers/Item/BookingCustomerBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Customers/Item/BookingCustomerBaseItemRequestBuilder.cs
index faa16389465..d4f612261a5 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Customers/Item/BookingCustomerBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Customers/Item/BookingCustomerBaseItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Publish/PublishRequestBuilder.cs
index 273f13ed08d..5bcfdd8ae0a 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Publish/PublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Services/Item/BookingServiceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Services/Item/BookingServiceItemRequestBuilder.cs
index 1de39e72bc9..42dfce8e0e2 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Services/Item/BookingServiceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Services/Item/BookingServiceItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/StaffMembers/Item/BookingStaffMemberBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/StaffMembers/Item/BookingStaffMemberBaseItemRequestBuilder.cs
index 59dabf10ad8..26c5c31d44c 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/StaffMembers/Item/BookingStaffMemberBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/StaffMembers/Item/BookingStaffMemberBaseItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Unpublish/UnpublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Unpublish/UnpublishRequestBuilder.cs
index 3cd1ca29c06..8f708ae5361 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Unpublish/UnpublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingBusinesses/Item/Unpublish/UnpublishRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/BookingCurrencies/Item/BookingCurrencyItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/BookingCurrencies/Item/BookingCurrencyItemRequestBuilder.cs
index 998523dc85d..91777f01bd7 100644
--- a/src/Microsoft.Graph/Generated/Solutions/BookingCurrencies/Item/BookingCurrencyItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/BookingCurrencies/Item/BookingCurrencyItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Cancel/CancelRequestBuilder.cs
index f153c32b157..a731b39a1ec 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
index 817e165e428..f45be50ea1a 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Publish/PublishRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Publish/PublishRequestBuilder.cs
index 9c1286f2a21..9765c66309c 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Publish/PublishRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Publish/PublishRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index b0ccddc1744..540207a8bf8 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index b06e4986d3c..74c409d2f3f 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
index 7995f876314..ebd138a0f24 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/SetExternalEventInformation/SetExternalEventInformationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/SetExternalEventInformation/SetExternalEventInformationRequestBuilder.cs
index 99e617522ac..aacd59b9cea 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/SetExternalEventInformation/SetExternalEventInformationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/SetExternalEventInformation/SetExternalEventInformationRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Solut
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/VirtualEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/VirtualEventItemRequestBuilder.cs
index 614236ae4b7..bee351070c8 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/VirtualEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Events/Item/VirtualEventItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
index 909e8774265..69adb5ed8c0 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/AttendanceReportsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/AttendanceReportsRequestBuilder.cs
index 582e856fffb..7f6a5fdbf30 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/AttendanceReportsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/AttendanceReportsRequestBuilder.cs
@@ -54,7 +54,8 @@ public AttendanceReportsRequestBuilder(string rawUrl, IRequestAdapter requestAda
         {
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get a list of meetingAttendanceReport objects for an onlineMeeting or a virtualEvent. Each time an online meeting or a virtual event ends, an attendance report is generated for that session.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/meetingattendancereport-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MeetingAttendanceReportCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -102,7 +103,7 @@ public AttendanceReportsRequestBuilder(string rawUrl, IRequestAdapter requestAda
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.MeetingAttendanceReport>(requestInfo, global::Microsoft.Graph.Models.MeetingAttendanceReport.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get a list of meetingAttendanceReport objects for an onlineMeeting or a virtualEvent. Each time an online meeting or a virtual event ends, an attendance report is generated for that session.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -152,7 +153,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Solutions.VirtualEvents.Townhalls.Item.Sessions.Item.AttendanceReports.AttendanceReportsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get a list of meetingAttendanceReport objects for an onlineMeeting or a virtualEvent. Each time an online meeting or a virtual event ends, an attendance report is generated for that session.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class AttendanceReportsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
index 27290d7a9b3..f26b6e688ec 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
@@ -54,7 +54,8 @@ public AttendanceRecordsRequestBuilder(string rawUrl, IRequestAdapter requestAda
         {
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/attendancerecord-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.AttendanceRecordCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -102,7 +103,7 @@ public AttendanceRecordsRequestBuilder(string rawUrl, IRequestAdapter requestAda
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.AttendanceRecord>(requestInfo, global::Microsoft.Graph.Models.AttendanceRecord.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -152,7 +153,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Solutions.VirtualEvents.Townhalls.Item.Sessions.Item.AttendanceReports.Item.AttendanceRecords.AttendanceRecordsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class AttendanceRecordsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index b7e72393b5d..2b4850a31f8 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index 7bddf6a507c..55656a28f6d 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -63,7 +63,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get the meetingAttendanceReport for an onlineMeeting or a virtualEvent. When an online meeting ends, an attendance report is generated for that session.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/meetingattendancereport-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.MeetingAttendanceReport"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -126,10 +127,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get the meetingAttendanceReport for an onlineMeeting or a virtualEvent. When an online meeting ends, an attendance report is generated for that session.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -187,7 +189,7 @@ public partial class MeetingAttendanceReportItemRequestBuilderDeleteRequestConfi
         {
         }
         /// <summary>
-        /// The attendance reports of an online meeting. Read-only.
+        /// Get the meetingAttendanceReport for an onlineMeeting or a virtualEvent. When an online meeting ends, an attendance report is generated for that session.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class MeetingAttendanceReportItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
index c12c4b5c3dd..82fc4774a2f 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/VirtualEventTownhallItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/VirtualEventTownhallItemRequestBuilder.cs
index 6d27f2be7a5..bf95aa9d89b 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/VirtualEventTownhallItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Townhalls/Item/VirtualEventTownhallItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/VirtualEventsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/VirtualEventsRequestBuilder.cs
index f5f13e6b550..82a618ff512 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/VirtualEventsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/VirtualEventsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
index d8204a5acff..4005481f1f0 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Presenters/Item/VirtualEventPresenterItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/Questions/Item/VirtualEventRegistrationQuestionBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/Questions/Item/VirtualEventRegistrationQuestionBaseItemRequestBuilder.cs
index bf521a48f41..f85a77303f6 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/Questions/Item/VirtualEventRegistrationQuestionBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/Questions/Item/VirtualEventRegistrationQuestionBaseItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/RegistrationConfigurationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/RegistrationConfigurationRequestBuilder.cs
index 624b390569d..ce52eefc3ee 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/RegistrationConfigurationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationConfiguration/RegistrationConfigurationRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/Cancel/CancelRequestBuilder.cs
index a9d59933361..db77283ea25 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/Cancel/CancelRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/VirtualEventRegistrationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/VirtualEventRegistrationItemRequestBuilder.cs
index b30c1ba4a03..e0790cff0ac 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/VirtualEventRegistrationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Registrations/Item/VirtualEventRegistrationItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/Cancel/CancelRequestBuilder.cs
index 17a7d8d768b..d42f52b2cc9 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/Cancel/CancelRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/RegistrationsWithEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/RegistrationsWithEmailRequestBuilder.cs
index aecf6fd9d85..5365741bff4 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/RegistrationsWithEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithEmail/RegistrationsWithEmailRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/Cancel/CancelRequestBuilder.cs
index 1e2cfd5e435..881679b7fce 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/Cancel/CancelRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/RegistrationsWithUserIdRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/RegistrationsWithUserIdRequestBuilder.cs
index bf6ac3abc9f..06fb471203e 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/RegistrationsWithUserIdRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/RegistrationsWithUserId/RegistrationsWithUserIdRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
index f98e864e8db..14cde686302 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/AttendanceRecordsRequestBuilder.cs
@@ -54,7 +54,8 @@ public AttendanceRecordsRequestBuilder(string rawUrl, IRequestAdapter requestAda
         {
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/attendancerecord-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.AttendanceRecordCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -102,7 +103,7 @@ public AttendanceRecordsRequestBuilder(string rawUrl, IRequestAdapter requestAda
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.AttendanceRecord>(requestInfo, global::Microsoft.Graph.Models.AttendanceRecord.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -152,7 +153,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Model
             return new global::Microsoft.Graph.Solutions.VirtualEvents.Webinars.Item.Sessions.Item.AttendanceReports.Item.AttendanceRecords.AttendanceRecordsRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// List of attendance records of an attendance report. Read-only.
+        /// Get a list of attendanceRecord objects and their properties.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class AttendanceRecordsRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index 39778a395d0..c8407287cc0 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index 849ca7ecbe8..a60d1f34357 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
index d4f61c42397..13a8d62fa31 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/Sessions/Item/VirtualEventSessionItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/VirtualEventWebinarItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/VirtualEventWebinarItemRequestBuilder.cs
index 1a1f7f5e412..33c2ceeeca3 100644
--- a/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/VirtualEventWebinarItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Solutions/VirtualEvents/Webinars/Item/VirtualEventWebinarItemRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Activate/ActivateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Activate/ActivateRequestBuilder.cs
index 9c08cac315f..c30abf46eb3 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Activate/ActivateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Activate/ActivateRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/FileStorageContainerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/FileStorageContainerItemRequestBuilder.cs
index d92a6436172..88f330f169a 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/FileStorageContainerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/FileStorageContainerItemRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Lock/LockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Lock/LockRequestBuilder.cs
index 24cbb3a855e..bf046133021 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Lock/LockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Lock/LockRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Stora
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0b56cd8b8b8..5cd64ea881b 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Permissions/Item/PermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
index 96c0813e1ff..232e47f7328 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
index 8a527a7eef7..bbbc802e42e 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/RecycleBinRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/RecycleBinRequestBuilder.cs
index b5af99088f2..7967f3a5db8 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/RecycleBinRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/RecycleBin/RecycleBinRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Unlock/UnlockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Unlock/UnlockRequestBuilder.cs
index 4d7ec6adaf6..19186aa8aeb 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Unlock/UnlockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/Containers/Item/Unlock/UnlockRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Activate/ActivateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Activate/ActivateRequestBuilder.cs
index 2ab72d0c50b..7361a014732 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Activate/ActivateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Activate/ActivateRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/FileStorageContainerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/FileStorageContainerItemRequestBuilder.cs
index 3bc3e5d2890..332dd0bbce6 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/FileStorageContainerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/FileStorageContainerItemRequestBuilder.cs
@@ -168,6 +168,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Lock/LockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Lock/LockRequestBuilder.cs
index 408b4e87844..7ce4bd38cb4 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Lock/LockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Lock/LockRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Stora
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index bc6e714f30b..0b3de8dfa61 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Permissions/Item/PermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
index cb97880d2e9..569c954b56e 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Permissions/Item/PermissionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
index 058dc8175c9..1bc0a6d8234 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/Items/Item/RecycleBinItemItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/RecycleBinRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/RecycleBinRequestBuilder.cs
index 567d083ba80..0dcf1331148 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/RecycleBinRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/RecycleBin/RecycleBinRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Unlock/UnlockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Unlock/UnlockRequestBuilder.cs
index b6ed91a1441..4ea669cec8c 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Unlock/UnlockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/DeletedContainers/Item/Unlock/UnlockRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/FileStorage/FileStorageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/FileStorage/FileStorageRequestBuilder.cs
index ff6a03bf662..17b0fca98be 100644
--- a/src/Microsoft.Graph/Generated/Storage/FileStorage/FileStorageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/FileStorage/FileStorageRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/Settings/Quota/QuotaRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/Settings/Quota/QuotaRequestBuilder.cs
index 3b5e9b47709..7021f7690fc 100644
--- a/src/Microsoft.Graph/Generated/Storage/Settings/Quota/QuotaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/Settings/Quota/QuotaRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/Settings/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/Settings/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
index 09b59ff32c0..df66bcb0795 100644
--- a/src/Microsoft.Graph/Generated/Storage/Settings/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/Settings/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Storage/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Storage/Settings/SettingsRequestBuilder.cs
index 3b127c00ec5..383f382b95c 100644
--- a/src/Microsoft.Graph/Generated/Storage/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Storage/Settings/SettingsRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/SubscribedSkus/Item/SubscribedSkuItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/SubscribedSkus/Item/SubscribedSkuItemRequestBuilder.cs
index 3934379aa39..457c3dbf85c 100644
--- a/src/Microsoft.Graph/Generated/SubscribedSkus/Item/SubscribedSkuItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/SubscribedSkus/Item/SubscribedSkuItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
index d283bcf574d..2d6fbcab789 100644
--- a/src/Microsoft.Graph/Generated/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Subscriptions/Item/Reauthorize/ReauthorizeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Subscriptions/Item/SubscriptionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
index 8887660855e..3e0658f95cd 100644
--- a/src/Microsoft.Graph/Generated/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Subscriptions/Item/SubscriptionItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Archive/ArchiveRequestBuilder.cs
index f38e939c0fd..b8e485fc4e2 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index 06554f69b54..77aadbef756 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
index 6338dbac07c..1a1d7b740e5 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/ChannelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/ChannelItemRequestBuilder.cs
index 5ee0c99dd35..927bf336dca 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/ChannelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/ChannelItemRequestBuilder.cs
@@ -195,6 +195,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index aa9e752699b..96f48cedbf0 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
index d764810bc0d..c66adc9075d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index fdff1206cdc..1ed5e5511af 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/MembersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/MembersRequestBuilder.cs
index 58adb3076fd..3e00204db8a 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/MembersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Members/MembersRequestBuilder.cs
@@ -90,8 +90,8 @@ public MembersRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : ba
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ConversationMemberCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.ConversationMemberCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Add a conversationMember to a channel.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/conversationmember-add?view=graph-rest-1.0" />
+        /// Add a conversationMember to a channel. This operation is allowed only for channels with a membershipType value of private or shared.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/channel-post-members?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ConversationMember"/></returns>
         /// <param name="body">The request body</param>
@@ -135,7 +135,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Add a conversationMember to a channel.
+        /// Add a conversationMember to a channel. This operation is allowed only for channels with a membershipType value of private or shared.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 8949b8524b7..bb7e5746fe9 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -158,6 +158,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index f02aed0724d..bbb3a7ba059 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index d1d76b5d9a7..16e9bf82f07 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index f920dcc27b3..96e93b0af09 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 4491ea60638..5862af4f278 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 1d69d21cbc2..1da9b23c154 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 72ba491b5ee..c51b6b64f97 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 9a0253171a6..af5b15f3753 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index ac08ef4c907..a0e1c8abc6c 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index a8aea9446c2..1d8d2f0575c 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/RepliesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/RepliesRequestBuilder.cs
index 412850ccbe4..8cfa4d643f9 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/RepliesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/Replies/RepliesRequestBuilder.cs
@@ -84,8 +84,8 @@ public RepliesRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : ba
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.ChatMessageCollectionResponse>(requestInfo, global::Microsoft.Graph.Models.ChatMessageCollectionResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Send a new reply to a chatMessage in a specified channel.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/chatmessage-post-replies?view=graph-rest-1.0" />
+        /// Create a new reply to a chatMessage in a specified channel.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/channel-post-messagereply?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.ChatMessage"/></returns>
         /// <param name="body">The request body</param>
@@ -129,7 +129,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return requestInfo;
         }
         /// <summary>
-        /// Send a new reply to a chatMessage in a specified channel.
+        /// Create a new reply to a chatMessage in a specified channel.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="body">The request body</param>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 49c650b2819..3942e344ecc 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 54ae58d76db..c4890aa2e2a 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 603e33a6a94..c28db8ec718 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index b900cdee904..c49713f2984 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
index ca8e126dcec..befa3554495 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index e9524a5333e..5dda1ab0686 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -134,6 +134,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 1c5559ee018..b57b06453fd 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
index eeb369df261..4e68ef586dd 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Clone/CloneRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Clone/CloneRequestBuilder.cs
index 20533bd9fdf..2041ba02352 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Clone/CloneRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Clone/CloneRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 959b3c1b279..6105da7661c 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index 62602d1b24f..2f9431243a7 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index d7a0ef6d52e..31b7f3fba2d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index bb796354527..252544ccc9b 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
index ca2920a3719..c6ecebc1c78 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 88f050ba0ab..1e480072032 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Photo/Value/ContentRequestBuilder.cs
index d9cff0cd0a7..07631c94672 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Photo/Value/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -160,6 +161,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index 480ad150ef7..297c9ac7a25 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
index ddaedba9308..8024a8b45cb 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
index d3c7d0522b7..9328abd164b 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
index 677f5efe8bf..88654a9e59a 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
index 2a77f62ad98..2501a52a395 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
index c133132f8a0..631dc03ef93 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index b3bc55a65b6..5b0365a6e5d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 2a7054affb0..219f894e1e1 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 45e9b9961c1..4928de8b38e 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index c1490567649..5e84de390ed 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 1f1485e2b05..1321199c0ed 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index f8a1366c432..196fc5f6647 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 6417d7ba9e4..5a00a7887a6 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 38a0d91e8d0..4b2adc12c0c 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 68e7df55bcc..13d6a79f9e3 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index b9ae0071104..841fd1da5cc 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index f9954977ebb..dadf260bff7 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index d6e21db4d0b..982f80b9ed5 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index fdca7c1cb27..7ac3faf5d9b 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
index ccff7c1087c..8508b364a96 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
@@ -193,6 +193,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
index fad0b364a55..03d48fccec0 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 247cc142c5e..414d8835139 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
index ced24d1a6d0..65e0e20c848 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
index 8084eef8c14..390a926f554 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
index 63be53aaa5a..34cf7db544e 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
index 9f42156b2c6..41e5f8945a1 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
index cae05b266d0..da8359afd60 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
index ff1b5a4f266..4386a154479 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/ScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/ScheduleRequestBuilder.cs
index 567fdb2986b..1b7355d4b7a 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/ScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/ScheduleRequestBuilder.cs
@@ -194,6 +194,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
index eeb0880a12d..f60a220e8ab 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Share/ShareRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Share/ShareRequestBuilder.cs
index be3ac6b83c5..ba7248809db 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Share/ShareRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Share/ShareRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
index 6cd2bf07e0f..730b4341efe 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
index 20b1f96aca1..905b81598a5 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
index 2d445b9f429..8e3d284dc8b 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
@@ -145,6 +145,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
index 7009ad31a29..f6d77f31b4f 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
index 15315a1a258..b6dcdc96944 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
index 7e2c8fdfbb8..3ea2f6eeb1d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 0decff9c95d..d70e0837d1d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teams
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
index d3b313cbc0a..86c4870eb4d 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
index f239258a2f4..32846b0fadf 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
@@ -129,6 +129,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/TeamItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/TeamItemRequestBuilder.cs
index 9d1fdfb62d1..c4a0f5e2e74 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/TeamItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/TeamItemRequestBuilder.cs
@@ -230,6 +230,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teams/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teams/Item/Unarchive/UnarchiveRequestBuilder.cs
index 5671b1d63a3..7b93c9ced90 100644
--- a/src/Microsoft.Graph/Generated/Teams/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teams/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TeamsTemplates/Item/TeamsTemplateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TeamsTemplates/Item/TeamsTemplateItemRequestBuilder.cs
index 5dd66d215ba..9dff14c6a3f 100644
--- a/src/Microsoft.Graph/Generated/TeamsTemplates/Item/TeamsTemplateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TeamsTemplates/Item/TeamsTemplateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/DeletedChatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/DeletedChatItemRequestBuilder.cs
index 92e6f4ec77c..2859c919f7c 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/DeletedChatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/DeletedChatItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/UndoDelete/UndoDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/UndoDelete/UndoDeleteRequestBuilder.cs
index 3315e206461..61d9cb8fef8 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/UndoDelete/UndoDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedChats/Item/UndoDelete/UndoDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index fd3a64937e1..d6aa174e3ad 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
index d1450a07b03..60ee2504e33 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
index 4fa23e7d0fe..499f3b73631 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 478a0740e8b..90bd707931c 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
index caf18d5fa51..84a7bfa2757 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index dde68f74d83..ef6ea0b4fb1 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index e76b4603248..4c1ceb927da 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index e51c4363640..feabd33246b 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 146f0de4774..b4863fee004 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index e26eefcb5e8..a8b4397c65d 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 132a0e74bc4..30de5b9ed39 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 2eeced2bd7a..5f234167190 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 62853f5e638..7bf32630fd8 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 8867ca7a6be..888cc40a2b0 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 9801fc73431..1655b2aa2ff 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index fde9186188a..b93832cde9f 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 5850b14b25c..6df62d08325 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 964c5f02adb..c669cff5395 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index fcff992f896..2c35920e149 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index deb5aea4192..7ffa0c245b8 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
index 42e71593d4e..44db97b14b3 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index fb63cf47891..e2a05933295 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index f89bf0a1f95..3c2b7776e54 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
index 975f3c1df94..b9a24f05942 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/DeletedTeamItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/DeletedTeamItemRequestBuilder.cs
index 19f77a23761..74a14b68a91 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/DeletedTeamItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/DeletedTeams/Item/DeletedTeamItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/SendActivityNotificationToRecipients/SendActivityNotificationToRecipientsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/SendActivityNotificationToRecipients/SendActivityNotificationToRecipientsRequestBuilder.cs
index 3b34d0d40fc..eba676d0d1d 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/SendActivityNotificationToRecipients/SendActivityNotificationToRecipientsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/SendActivityNotificationToRecipients/SendActivityNotificationToRecipientsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Teamw
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Teamwork/TeamsAppSettings/TeamsAppSettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/TeamsAppSettings/TeamsAppSettingsRequestBuilder.cs
index c7566f8e2e0..ec416e5e3df 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/TeamsAppSettings/TeamsAppSettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/TeamsAppSettings/TeamsAppSettingsRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Teamwork/WorkforceIntegrations/Item/WorkforceIntegrationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Teamwork/WorkforceIntegrations/Item/WorkforceIntegrationItemRequestBuilder.cs
index 83604b23df3..eedee8390ac 100644
--- a/src/Microsoft.Graph/Generated/Teamwork/WorkforceIntegrations/Item/WorkforceIntegrationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Teamwork/WorkforceIntegrations/Item/WorkforceIntegrationItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/DelegatedAdminCustomerItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/DelegatedAdminCustomerItemRequestBuilder.cs
index 87eb1d52209..6aff3542b9f 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/DelegatedAdminCustomerItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/DelegatedAdminCustomerItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/ServiceManagementDetails/Item/DelegatedAdminServiceManagementDetailItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/ServiceManagementDetails/Item/DelegatedAdminServiceManagementDetailItemRequestBuilder.cs
index 1929967d078..690ffb10485 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/ServiceManagementDetails/Item/DelegatedAdminServiceManagementDetailItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminCustomers/Item/ServiceManagementDetails/Item/DelegatedAdminServiceManagementDetailItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/AccessAssignments/Item/DelegatedAdminAccessAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/AccessAssignments/Item/DelegatedAdminAccessAssignmentItemRequestBuilder.cs
index da94a467e0c..6aaefba8da0 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/AccessAssignments/Item/DelegatedAdminAccessAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/AccessAssignments/Item/DelegatedAdminAccessAssignmentItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/DelegatedAdminRelationshipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/DelegatedAdminRelationshipItemRequestBuilder.cs
index 2bd2673ee86..f7023f3f891 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/DelegatedAdminRelationshipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/DelegatedAdminRelationshipItemRequestBuilder.cs
@@ -141,6 +141,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Operations/Item/DelegatedAdminRelationshipOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Operations/Item/DelegatedAdminRelationshipOperationItemRequestBuilder.cs
index 4ba263ca4c4..b073acd8b12 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Operations/Item/DelegatedAdminRelationshipOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Operations/Item/DelegatedAdminRelationshipOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Requests/Item/DelegatedAdminRelationshipRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Requests/Item/DelegatedAdminRelationshipRequestItemRequestBuilder.cs
index 7be944633e6..fe093f97c3b 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Requests/Item/DelegatedAdminRelationshipRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/DelegatedAdminRelationships/Item/Requests/Item/DelegatedAdminRelationshipRequestItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/TenantRelationships/MultiTenantOrganization/Tenants/Item/MultiTenantOrganizationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/TenantRelationships/MultiTenantOrganization/Tenants/Item/MultiTenantOrganizationMemberItemRequestBuilder.cs
index bf9445f61b3..8b31d9f5abe 100644
--- a/src/Microsoft.Graph/Generated/TenantRelationships/MultiTenantOrganization/Tenants/Item/MultiTenantOrganizationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/TenantRelationships/MultiTenantOrganization/Tenants/Item/MultiTenantOrganizationMemberItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
index 1b3f66e089b..5ee9f2c34e8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/HistoryItems/Item/ActivityHistoryItemItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/UserActivityItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/UserActivityItemRequestBuilder.cs
index 40bdf3fe805..97d5e2cfb38 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/UserActivityItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Activities/Item/UserActivityItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
index a68704a58b5..e47a6ba0315 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/AppRoleAssignments/Item/AppRoleAssignmentItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/AuthenticationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/AuthenticationRequestBuilder.cs
index cd9e2f94911..8b4366617fc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/AuthenticationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/AuthenticationRequestBuilder.cs
@@ -186,6 +186,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
index bddc2d8d66e..7db892de8b3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/EmailMethods/Item/EmailAuthenticationMethodItemRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
index a681e09cbb0..c2e199c55bf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/Fido2Methods/Item/Fido2AuthenticationMethodItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
index 2171133cbc3..0d65efc5704 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/MicrosoftAuthenticatorMethods/Item/MicrosoftAuthenticatorAuthenticationMethodItemRequestBuilder.cs
@@ -103,6 +103,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
index 320b9b30311..2a9b1f0ed6c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/Operations/Item/LongRunningOperationItemRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
index 679afcf2e15..e3eacf6f4cb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/DisableSmsSignIn/DisableSmsSignInRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
index 6199e10b0dd..46a048eb630 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/EnableSmsSignIn/EnableSmsSignInRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
index 78f47103df8..5b27d87c293 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PhoneMethods/Item/PhoneAuthenticationMethodItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
index 19449da0c0d..710b5fad13f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/PlatformCredentialMethods/Item/PlatformCredentialAuthenticationMethodItemRequestBuilder.cs
@@ -102,6 +102,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
index c0f7311bfde..3c95c06c358 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/SoftwareOathMethods/Item/SoftwareOathAuthenticationMethodItemRequestBuilder.cs
@@ -96,6 +96,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
index e2cbd26982e..dfcfc00cd9c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/TemporaryAccessPassMethods/Item/TemporaryAccessPassAuthenticationMethodItemRequestBuilder.cs
@@ -97,6 +97,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
index 1408c03fe56..1c052077d6e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Authentication/WindowsHelloForBusinessMethods/Item/WindowsHelloForBusinessAuthenticationMethodItemRequestBuilder.cs
@@ -103,6 +103,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index 077a570c906..63707614e9a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -123,6 +123,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index e2b7d2163d2..76135911fcc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 8e6570efa8a..266defad64e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 5452d044bf8..b783bc1121e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 7ed07797860..64bb6d6671b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 529eaf149a2..7579d8f57f9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 50b59d3bc30..26dcb1c5585 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 04b5117bb3b..01cb120494f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index da28023dddd..7a94e6debbd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 560325a8265..52b03bde693 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 9ba60891615..3be928f235d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 40e5696bfb5..e6fa33a937c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 40ccb47d8d7..0f76b30cb0e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 327867e407b..44fe61e607f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a81c6fa151a..25ccbd3dc58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 8a4ae04e32e..14f1bc294b5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index ac672603b73..4471dd6cb78 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 660ae927e6c..e1b6c6e39f7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 34c4adfecb8..833948932a7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 9d4ee621b9d..b83743f29c7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 44f5f27000a..7d784e55ca2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 277c08be8d1..bcc115ddbf0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index cb0a21b758e..0e66e4b79da 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index a186043c45b..1f3a2a48843 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 60e982a5f54..263a65214fa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 58adabdd9aa..482117eb222 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9106fb83cee..26b9d6a7350 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 62e9613fed3..c176704ea3b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index cb04c5b04ea..b6064db0bd1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 0d401af00f4..0287f39d07f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 6acdf36faef..0492b683ca9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 097b5ae8b98..52b3d293216 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 50bbc2cef23..8d1c0dfdb72 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 3f9292add8c..81d72aefbb4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a032b137f4d..f4c09d03c89 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 14706b6d4c7..7a414b254c6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index b20f53e8c67..33e9a4edc9d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 04af190df4e..89c4fd14275 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 656ff3e60af..652c1ac4af5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 59946932777..a9360dad8b4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e3bd8930877..3bd592f242d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 98000d69c46..024a27b6100 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index b2e4755aebb..5bdd5aa816e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 3800332c2db..17a39af6a0e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 7ebfd22a91d..e13e6ee979e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 18b143c246b..3f9cc1b2635 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f048e73b543..f8832f31851 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 5d44d006b52..911da0e10cb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8966c9f635d..09df016153f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 4e9ca760755..7ebb9fa694d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 6e370a3f0f1..0f81b6f4111 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
index e09b8a5cc6b..fbe3da0ac49 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 1a2aa60e940..6a79f095328 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
index 099ebbac7d5..3f3c0eb2ad6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
index 5d5dd5b34e4..ca42f060fb1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 9a21c7936aa..f3ef3436390 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
index 986fc1716d4..83500a6ea13 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 758b9546edb..60c724e01d3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index db72bbf6ffe..9c56ad77bb4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 70956312373..17f59262486 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index ebf973aba29..6b2b45c8793 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index aec34b494a3..c0330770b58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index dd5835b3c6f..dc96685b347 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 62f88ffa56e..98052e6eef4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index c3fe86a074b..18d8422c2c9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 1b168e02e67..caedd55c7ce 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 2136cb30762..1cf8da45969 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index af659e6cdfc..551ad3ad261 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 30cf839da32..d1d7f082a8b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9c91d82867c..8313f77727d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 1f342ad16e2..7b9f589c1e8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9584ca188a0..ca95032f910 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ebbfad40250..4987a499577 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e18224488cf..0c59da779ac 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 99914b8915a..29bd8505550 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 629114e6f4d..6b7520ad6ed 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 315b42c73f9..83a89a7b9e1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 43557d1865b..de4b61e982a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
index f544bcaef33..f1472ab42c1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index d76da42d412..4935d99c8f7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e929b56c0e7..720edb37615 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index ad7da7f0d1a..ad9954d3e78 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 25dfa5f8cb4..6c9040e7301 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 93d72786499..bb34db68f75 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 485a92e07f9..c357df44e63 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index fc096996336..47e5a31163b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 273efbc621d..94f51b1d7ad 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 5de122275ea..c5c0c45a180 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 039bb5d0130..f6dabddd72b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 015b1b8805e..144ffbc444a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 036afab190e..d7f6d4d9187 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 110c21b4290..cfb3e9748f8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 44386d07543..010c50682fa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index eeda7691ea0..64940ba94a0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 6475ab86ace..79d3fafb89c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index af938ddf735..5e34754ae01 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 18a6b959b21..3192107bfb8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 958adbbf340..2929d04fa98 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index ce10258c7f4..59394bddc5d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 6b379d1b1f7..bb3006d5535 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b3c8343e7fa..696cc998868 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index a230c921e5b..92ab1dfa042 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 1f83e305d38..e6aeb3ac1c7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendar/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
index ddc3ae836fd..17c82b85ee5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/CalendarGroupItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
index b0f92f12fd9..06eceb67fb3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarItemRequestBuilder.cs
@@ -161,6 +161,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index 7473d8ee8e2..c508b9e1b80 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 45aa99c5977..85de1286ce0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 55bc1e4e85f..20ad5746235 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index a40d88c375f..47cbe0159e9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index c0e525e1ac7..a31da4901da 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index a647132ef9b..6fffbcffdc7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 46cd07cd0f6..ddf46a4ab1e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index efea0f83b26..08333e9fd43 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index a34973b2354..42d510db24c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index e3681b871e7..60b14e174d5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 5a152b44ce3..e4d8c649e23 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 5c0aa229453..43277526cf4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index a616beb9067..6683f4742f5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 5e732e52a8e..6422f36c23d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 835b272e092..3db47df8967 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 1ab57648596..dd83b2a4ce6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 68b565d7e91..e48b70bc4d6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index d630575ade9..4b8f704e75c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 5861784fac3..10e25e41e3c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index e3339da8cf4..b52d20cda53 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ca02b8702ba..73beea31700 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 5058c002f48..b4eb608a94f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e4ac3668322..41ca0868845 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 64633adc7ce..459cbadde8c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ede4b6a7d7c..9408a70cedf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index de8279530d6..4691cd93bed 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 719ea897e07..ad352f571a9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index d2f435b16ee..93188cec31d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 69efc7a4c8c..b39b742c2dd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 4754f12df0a..7172085e763 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index be9f6bedbbf..65daa686add 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 31541f0f45d..e705b04cc3c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index f02da895018..65a4fd0eadd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index ad380bc21a6..83c0806d89c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index b2556834186..865419823d3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 6214d603c85..7f35ac788c1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 0072782bb9e..138edd21cc8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 4961bb33a91..da5c7977540 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7c9be5fab94..aacd22b6370 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 4524b475b2c..f21896f4d70 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b13cb786551..d3f3826f4da 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b7040ecd6c2..bbe3eb47979 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index d7ee6ffaaa7..5047f83ff7e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index ed1a141274f..44b8799a1fc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 90f03ee532a..ca318d1fdb4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 52c4da3d701..6a76d1d4a4e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f2cfc356701..6aa6f742e3c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 0b90654b809..6f8d9f93516 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 368ed1c7d74..34f598caed7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 909662a20cc..86c6b394e86 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 12501554146..54099535b31 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index 2b45ebcd50c..fdc6979465b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 83315f277ea..e90aabf89c7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index 960feaa2773..cad3fbe24b3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index b141e66ee6c..3110c934de8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 13e1ec62383..9ea0076aa34 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
index 1cb4b55ecc6..86f513cabb7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index c8d43511790..ef28bf227e3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 65939cb5c94..5b5cc2f2855 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index dc64c9dda97..a6f38a4e531 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index b390bdead62..822703893be 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 33fe0aedebc..a02bc5c771b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 4580930c0e3..cc9885a486c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 1eb58f99d07..4899f2a1d46 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 2a86d47c8fe..7d354e33bab 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index d399c7cf4a2..015940d2a08 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index d7b911c1965..cd6504088f8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 200ad887f96..3b1fc78d464 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 8c3132fa640..b0dff302e68 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 6de89e5f9cf..219008fea33 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index c98a6d6412e..27633e3b022 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index a4a86718504..e165dd0c393 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b6b040b7eb9..f1197e11dcd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 6f2e2546c27..acf6f6c5023 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index cf0793b009f..8ea857905f9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 47d32249f51..a71257a3aa5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index c546f291e4f..906944ab887 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 11955d6629c..4df6df5a1ba 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index 30bf7693723..026a5baa42e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 978992ab9bf..abcb4db788a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index d9e9dd9c980..8b1f938dcc9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 04b6908c6e5..f75bcd04cfc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index a1eb1f08e8e..ccf26efc2e7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 5a58cddbcb2..dc299a7d5dc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 4904d0ea9df..e87c608c66e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 3cfc9e3369c..3364fd6c54c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 0a1eff35aae..d5abe783917 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index bec4120c2b0..249306d7ce4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index e2e858f180d..bcff30d690f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index c00e248810a..1f1e39fda29 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index b6e40991026..e45c5fd8622 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index fdd2594956c..b8b7ff1cc45 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 639c1736b0d..e5dfec58a50 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 729280d812a..fd8d08ed7fa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index fd5f9691198..d5c913b1ac0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 98e6df2e866..c867eb1d824 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 20467bdacdd..9a825514029 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 43324afa0de..39807121257 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index d5bba8f55b8..89a42ee73b0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 6f4002ef280..a5a50cc6e40 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index d3774ff741a..ed25ecb5445 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index bc47047e421..951b3ddd8c1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 107e138b136..6e967ec80f2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarGroups/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 83d789a8226..f0db11abbca 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 14d9153f9ed..a644b830ecb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 197fdd53147..c84a88a7cd1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index bbbd75625bb..1b369772d44 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 44ef350f091..bc0862ce40b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index cebc1ed23e9..ab7d704e1b4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index ac54d739e1a..5095692e75a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 041886a20ad..6a5ab8131b2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 64d8a89ba84..eab08d5afe7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 4ad83cd6407..9cdf78f5823 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 496b9779f19..9aa0c39fc0b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 88c0f83b8a3..cf7eaaed7c9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index c1357a38ac5..993db0087ba 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 81a19610168..cb4893b2ac4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 86feae52a46..0de197b05ba 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 793015cc7d3..f53757af6c7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 77ab1d147cb..2e2aa3a09a9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7a66a9ce933..8ca2fbba35c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index f4416395f03..4e7f7a658ce 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 74ad60ea2cf..12a30e4ee15 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index c482932836f..63b494a87d4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index db1ad463b26..5df05e3471c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index efaad06cd5b..55ee0cb4707 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 3af9bf37d26..04a77812a32 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 638db76b165..ded04217686 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index a9c6b151dff..7fb028580f1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 33cd3830c02..d4619004a67 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 1e1d766fa82..6ab0f4c1c3b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 24f924bb2d7..ec1f03692b1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index bc7fa50ff6d..4b30583a369 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 00ce921dca8..e58d46ad740 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 70cbb948d8f..55e9ea3cb6f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 7469ec899f1..aa9b7943a27 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 6620ec4a143..513393864a1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 31e762c4b4e..7d501ba386a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index c20454d9dd2..7be050e49f2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 71f87fd31c3..0a3bff27b9c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9547b244ac2..f059096c28a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index b61249269af..01d37e9332c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 2ad468b91c1..dc79cbafb9c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index c2ad4ee78d0..fe370be1a39 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 56c559680df..0fa2a296651 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 8bf62519967..3f3762098d1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 672d166a09a..c5b7a694e7c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index d1f348fe69f..c22a6fde940 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index a420b8ca8f1..fb7e2450cbc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index b2ed9daa95a..1a6be261a58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 943bd8c9612..80a2ee58d63 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index b887b77ce9f..0d5858d81bc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 9ec5c7b33b2..c10efc9f668 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarItemRequestBuilder.cs
index 848d13068eb..37426b03bfa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarItemRequestBuilder.cs
@@ -161,6 +161,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
index 7d231da9a5f..a84245e2ed4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarPermissions/Item/CalendarPermissionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
index 08f165d2c8b..a1175ca0d86 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index a853ba5d473..70585cfd470 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
index 319c0526945..bede9ddc5d0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
index 4345e974bba..38c86992fee 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
index c7a74755a5c..7206eecc067 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index a8f2b901e1a..9ffc6a99f6f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index fc1e9f39816..5242b92ec81 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 3ec3f2c83d0..46cbf591074 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 0d2dc68cf84..d4787185a66 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index a81dd2b651f..866d3a7983b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9afd8dc6fba..4926b4cfb10 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 3ededbbd9b2..43feae392d8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 46037a3a646..bbaad01b441 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 7ba0b90b3c9..87ca900f97a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 43697e34690..752f8133893 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index f8252b7571c..b998d879f1f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index fe3cdd1b5c3..5a0ccfa5575 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index eb888c9fc39..27a7952d85f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index b829c8adb4f..d94766db8b0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index bd5216ff5b1..c0c777b6302 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index f30a8dac4d1..fd3723a0198 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 16ab25d4312..32fc54a4a61 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f810c5413f6..24347c225c9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index dd671740c38..a385388e392 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 6ec76c2d1a5..fce53199466 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 82570b37248..a3c855c13b8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
index 2c8c62c689a..0d45be22b73 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index e976f8b401e..57f5cd0a564 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 621ee6eb2a3..1f2ee45322b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index ba01f91ded9..4d078eb1499 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index b0ef0c9e2d0..fa3ff38f7c1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 684e6745a49..8e451a8ebc5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 85a875248ac..7c10c93c8f8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 6cd632fabd3..4482a25bdf0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 578e0e110c7..2eca060dd0f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 1e9c7cccb62..59ca0d20cd4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index df3232075b1..42f75183412 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 15739187acb..4e7e6f4a67e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 9fbc2a996e5..f23928d8c84 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 1b48d826c97..dccad55cb37 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index fe89f05d7fb..183a2a5d0d1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index c2c7d8d1bd2..28ded0597bc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7ec8755a86e..7cc1d6edfc2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 6979882d7e5..e194b429ed3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 0b1a5075216..9ffa6abb897 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 1b62b8bccd9..1d6ece3f4b5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 0cc439c6920..2c1b1772b8b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ede546896a7..57d53c358de 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ccf689b171c..56ea08d4c4b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 0e28a06fabe..8b11a91edb3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/CalendarView/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index 4c33c21d0a6..388007f27de 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index b3dcf924bc8..b70511c84c5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index c732e12e3e3..afd8ceafaea 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index f8fa6157528..e9c02651d24 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 59940fecc11..6d2c66d7d44 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
index c70fe1541d3..87c1eb1e6b7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 3af3f4d564f..4245b0a0bd2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f17ad657541..7c82885d6f2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index c682becc846..d254c15b698 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 6da4e235bab..a5d60d99547 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index e1404d53cbb..9e981780253 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index d828549ad9b..03846274030 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 6544ba52258..10ba18f584b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 824534709b1..94a776d6407 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f472507a1ae..e5dc6e65fcd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index d80a199ca62..8199df98ac1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 49b22f3d31f..a98d2a3e4b9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 541fac237d1..812f1a794c6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 477096902ca..f844334d4b2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 29255f628c3..1935e16eb1f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 87b213069c1..6c8188a5456 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index c62051f5394..40a23e6bea9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 25f8ad65f29..dba54e8778b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 322c9733c7b..259ecba4c9d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 837f85c3524..1b655832f6e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index a85705ad6e6..144de4099a4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 9eba162bec9..e4b61f8e1c8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index bf1eb79b50d..32bd49be292 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 6180fba28bb..51c7bf87805 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 8e196a916f3..2b5f9c362a8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index fe11143617f..42889326fdd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index ad15a375614..5c0f96ad29f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 78060da97e9..37131e7e508 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 5dbddc5510b..ad66992f576 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 930e6c349c6..09a0f566c12 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index d1a75288592..46d0f072de0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index d1ca152fcff..7c2b7552ebb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 841caf2332d..7e701f90a87 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 74723297c2b..02b66bd4642 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index 19b8ef5ed68..887bd870a1f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 487fa4dcf03..9eeed6add90 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 1bbd2f71bf9..f06663a69f8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index e4fb1454b75..198a365227a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 6e764b82cc3..4d5d5d6e6f5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index 29516e2155c..d0b21a33596 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 33ca699b763..dec32be2319 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 4ab9d9c0c60..7f880170e8b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 6897c325552..b6afc8cc949 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index de814cbe22f..e800ae9d9a2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 516a24661f0..ddbe9e2d5f2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 9b5f8ba080d..e4064433a9a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9e17ecc91ff..0574de26dd8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Calendars/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ChangePassword/ChangePasswordRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ChangePassword/ChangePasswordRequestBuilder.cs
index 04041d89cb3..f6e79045aac 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ChangePassword/ChangePasswordRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ChangePassword/ChangePasswordRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
index cb1fd5481d6..336b988c8a7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/GetAllMessages/GetAllMessagesRequestBuilder.cs
@@ -34,7 +34,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
         {
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesGetResponse"/></returns>
@@ -58,7 +58,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesGetResponse>(requestInfo, global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesGetResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// Find more info here <see href="https://learn.microsoft.com/graph/api/chats-getallmessages?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesResponse"/></returns>
@@ -83,7 +83,7 @@ public GetAllMessagesRequestBuilder(string rawUrl, IRequestAdapter requestAdapte
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesResponse>(requestInfo, global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesResponse.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -111,7 +111,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
             return new global::Microsoft.Graph.Users.Item.Chats.GetAllMessages.GetAllMessagesRequestBuilder(rawUrl, RequestAdapter);
         }
         /// <summary>
-        /// Get all messages from all chats that a user is a participant in, including one-on-one chats, group chats, and meeting chats.
+        /// Get all messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats. To learn more about how to use the Microsoft Teams export APIs to export content, see Export content with the Microsoft Teams export APIs.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class GetAllMessagesRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/ChatItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/ChatItemRequestBuilder.cs
index b04faf757b6..53022a321e8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/ChatItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/ChatItemRequestBuilder.cs
@@ -193,6 +193,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/HideForUser/HideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
index d6a7b8507d7..ddfceed2f9d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/HideForUser/HideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index 5aded8219d6..206a7634f6a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index a06fa90eb10..7a115ddfcc2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
index bb08f441ae1..23b8f9bd776 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/LastMessagePreview/LastMessagePreviewRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
index ec04f262bd1..a21d5de2863 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatReadForUser/MarkChatReadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
index f321553fba1..8b0df6f4102 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/MarkChatUnreadForUser/MarkChatUnreadForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 21002f4e5d4..cdbbaf964b8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index 356e97f552c..ab7e74ce517 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 0425c58e165..e21b9cff25f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 5d57cb71448..5db694aac33 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 72d4cab242a..9aca52cee28 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 488cc32980a..a7ac8e84bad 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 93ef3b0bb61..87c46e30c64 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index 70b19a87024..1881f1a9df0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 71b7f0a652a..ec7725358d9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 1715410b0c4..abb2fb7e010 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 5634106f01b..7bda2beb274 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index f7eab0e457c..0fb8bfa9ac9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 297430603c2..bc29fa85ddb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index c22ed293849..99f2b53eabf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index a3bd5d526bd..3932a5adac3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index c48ccf5aecd..7df04890d1a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
index ceeaaa43b80..edf18b771b9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/PinnedMessages/Item/PinnedChatMessageInfoItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 7d934aee53a..e4ff77071d0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 748926a7942..71236c94409 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
index 449c5c5f416..f8a86db6067 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Chats/Item/UnhideForUser/UnhideForUserRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/CloudClipboardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/CloudClipboardRequestBuilder.cs
index 54d1ed1c17e..bf18948aeea 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/CloudClipboardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/CloudClipboardRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
index d8f6214e9a3..5e66042dc58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/CloudClipboard/Items/Item/CloudClipboardItemItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
index 916f1483735..770c1d3e3a4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/ContactFolderItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
index a9b60462e5b..03db5819c25 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index fb4bf96b0d5..206cbf0671c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9e2ff2494ae..efddcea8e6d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index 3e12de688fb..91f5a19a3a3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 239aeb4f6ee..76baee42766 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ContactFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
index 7d561ab7dfd..f0ba8b5ba47 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/ContactFolderItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
index 76b6561f5eb..8683d1472ea 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/ContactItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 53da5da8bd6..d9c7c304c3b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 8026aa9e541..625ea606d72 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index 4a2deb4a98b..84215bab647 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 78010b31fe9..709f701463d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ContactFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/ContactItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/ContactItemRequestBuilder.cs
index e2e4d0977a2..2b4562eef0d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/ContactItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/ContactItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 09204789659..9b8613f2b86 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index e440d8527b7..dde2f2abc27 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
index 22d2a6de082..e4bda30bc51 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Contacts/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
index 9af04d038cf..26fe089c876 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/DeviceManagementTroubleshootingEvents/Item/DeviceManagementTroubleshootingEventItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/EmployeeExperience/EmployeeExperienceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
index a0be319dd5a..33f3ff6dbc1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/EmployeeExperience/EmployeeExperienceRequestBuilder.cs
@@ -137,6 +137,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Accept/AcceptRequestBuilder.cs
index 5a060cbfb49..8e3509a35b5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 9ddad94bfce..44d3288ff84 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Cancel/CancelRequestBuilder.cs
index 223e53b6e89..110b30f8730 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Decline/DeclineRequestBuilder.cs
index 162810752e2..737cbc592a0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 67f6ca818d4..39c3a97e3f9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/EventItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/EventItemRequestBuilder.cs
index 28f2c16f77f..6472304dd53 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/EventItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/EventItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index 9a8f9e44523..1e5f03ea5fe 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index ef2f174d351..b17cf807130 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index 253e43c190b..fbec643d2db 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 290daf0fc00..81964934adf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 5aafdeb4d44..0cb461b1dc1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index bb91f0031c4..c7d8ba41b4f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index c7ada19155f..13c9530c462 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index a432bb32333..b4cdf450ef4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e85f2c74c2f..a2276da6be8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index 648c437bcef..6fa22c5afe8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 14b14263342..863e6d98497 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 577630425ab..4640c8504e1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 0d4e91fc325..7460f362875 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index ac44e48af6f..88af3c0a14f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 566ed0503f0..4abaf1a524b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index ffd4df57558..48ccc5818d4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 2fb1327b2f3..ae717c9d486 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 5f17c9d7ada..5970434346a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 403200a1260..6d2cdddf9b8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 75ac217b026..cb7c41af5ce 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 2106ce4ef77..be54b12125e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Forward/ForwardRequestBuilder.cs
index a7ad98edc92..13dd16779b0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
index 7f7ced7ecda..073cf325b33 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e10dcc3cbdd..4fd6684d34e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
index ca57c022d81..8bff51e6053 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
index 2075ff678ec..ce1f212c868 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
index 559d68cea29..1344bbc1c5a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
index b5d1f13514d..a4bbf1fdce7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Accept/AcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index 67d6f3f1bd2..8eb4fa26ec5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
index fe716b537dc..e11b0bb42c1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Cancel/CancelRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
index 55b1164cfdb..347da62a1e4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Decline/DeclineRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
index d67f17a9862..524bde861a3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/DismissReminder/DismissReminderRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 7f1cb673d99..3cada788045 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
index d00b63e06e4..5868b4fa874 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index b2d6a5ec367..943b48e6bc4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 7a40470fc72..f9c07338791 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 235709c3ff7..49f50923c3c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/ExceptionOccurrences/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 5ba45202ff8..ede549d9666 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
index ddac2b5ffc9..163a6fecbd6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index ef13b8e7c1a..530e1bf0ada 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index 56d56934b52..abc2584ffcb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index ef83a72544c..b691761574b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/Instances/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index a9416889303..14c1afd5c91 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
index bfb73d96efa..b40edb8eb15 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/SnoozeReminder/SnoozeReminderRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
index 152a1b54530..32e132f0d95 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Events/Item/TentativelyAccept/TentativelyAcceptRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ExportPersonalData/ExportPersonalDataRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
index 7609fc4a4f5..b606deead58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ExportPersonalData/ExportPersonalDataRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 290e6c01638..c76eba5eb01 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
index 63ea7a64e74..3aaeef5f659 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/InferenceClassification/Overrides/Item/InferenceClassificationOverrideItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Insights/InsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Insights/InsightsRequestBuilder.cs
index 5f81f3ee85d..96d2621ccab 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Insights/InsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Insights/InsightsRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
index 81567f6274c..113533a31c5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Insights/Shared/Item/SharedInsightItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Insights/Trending/Item/TrendingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Insights/Trending/Item/TrendingItemRequestBuilder.cs
index 9c5ee436ecd..8ad10472cac 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Insights/Trending/Item/TrendingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Insights/Trending/Item/TrendingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Insights/Used/Item/UsedInsightItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
index cdda8b44837..50f77a7417e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Insights/Used/Item/UsedInsightItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
index 8610a1a515e..364c131604c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index bf3fefa8824..c95fe93dbfe 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
index d2d9ced6325..d336d86661d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
index 61f63cc5845..b519be40249 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/ChannelItemRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index 38e82a8c28b..7f3b736dcac 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
index 7f6cb9958c1..a54711f95fc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index ea69f3d408d..f70aa75a30a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
index adab2e5bb51..de4bf2a1c8c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 4e531ae10e5..93e7e66fa6f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 86a33c1c6a2..7d674a13d4b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index dc386672ed0..f503283cc17 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index 22b036f90a4..5c8dcb258fe 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index d85189ec046..a8000d1d7e9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index ad237345afe..68a30fba18a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index ed7e41da288..f3a7c3ab4e6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index 25942eee87a..9700e4b45e5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 8cc3ad1f2c2..79d684b22eb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 9c9066add4f..c95e0cad3a3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index 05003e0fe67..5dd61085f34 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index d131c674338..fe7ee8720f3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 4a053ec1f5e..3314367cae9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
index c510eb03037..206dc4d4044 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 0f350072077..880cef3c088 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
index 6c70ad3adcb..f003101ea1f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
index 01936801e35..76039dd9d15 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Channels/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Clone/CloneRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
index 4eac51614bf..df8b87201e7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Clone/CloneRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
index a5664d732e9..dc4503ae7cc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
index 32934e31d1a..501e3452a26 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/TeamsAppInstallationItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
index 1ef5d55c5bd..2f07771b076 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/InstalledApps/Item/Upgrade/UpgradeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
index 5914d5c42f4..04d563d5c67 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
index da77ec63c4b..4214e7239f6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Operations/Item/TeamsAsyncOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index ac3a2b04dbd..2ef45abe721 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
index 6884054bc08..e0b0f634664 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
index cf44be3724a..368e6b03d61 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/AllMembers/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
index 89f82af071c..5618b7c9c9b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Archive/ArchiveRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
index f78c9f7533a..b603a039000 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/CompleteMigration/CompleteMigrationRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
index 23f5823e544..ec01eb6fe7b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/FilesFolder/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<gl
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
index 44957ad2475..4f131e7ca6b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Members/Item/ConversationMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
index d7b84f9196d..e9eb40aaa60 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/ChatMessageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index b42838ffcc2..71308a192a5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 463b09e7d94..d124eeb7283 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
index 514ad40d1a7..2a227c3e340 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/ChatMessageItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
index ec64259f33e..b489fd2e7eb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/ChatMessageHostedContentItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
index 0a4ff2ebf57..a7548bc03ae 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/HostedContents/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
index b71455aa320..43a47a9799b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index d6d06881b2e..d4143029026 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index b2849008f9f..e6b4c27fac8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 57a42a29960..64b44cc182a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/Replies/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
index 395fb83592f..79d83759648 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SetReaction/SetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
index a6f264234d6..cb8704d16d2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/SoftDelete/SoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
index bf75e4ebc79..9285d7e0802 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UndoSoftDelete/UndoSoftDeleteRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
index 9b5bb5a5502..19e5c4c3b16 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Messages/Item/UnsetReaction/UnsetReactionRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
index 0074f092ada..4511ddf28e7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/PrimaryChannelRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
index fb82e66e2e5..dcca90a6de0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/RemoveEmail/RemoveEmailRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
index 5517c26c61a..d613abfa756 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/SharedWithTeams/Item/SharedWithChannelTeamInfoItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
index f9972f3ed60..d9cdeb3eb6e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Tabs/Item/TeamsTabItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
index 0b3379c4408..8b2b01be4fc 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/PrimaryChannel/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
index ece05e00fcb..c163444cfdf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/DayNotes/Item/DayNoteItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
index 615434bf796..bb3e20fc07e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OfferShiftRequests/Item/OfferShiftRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
index 3d5e777e480..dba416932fb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShiftChangeRequests/Item/OpenShiftChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
index ef07bb85f27..f56998b9e74 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/OpenShifts/Item/OpenShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
index d5d690a47b7..c981ecb740a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/ScheduleRequestBuilder.cs
@@ -192,6 +192,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
index ae23d249daa..eed1394f72a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SchedulingGroups/Item/SchedulingGroupItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
index 11efed2ccb2..20a2d8aeff8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Share/ShareRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
index c6b79799167..f7fb312f60e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/Shifts/Item/ShiftItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
index cf018d81a78..f0615bf1538 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/SwapShiftsChangeRequests/Item/SwapShiftsChangeRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
index cd8ab24837b..9a72187a937 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeCards/Item/TimeCardItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
index 43d3812ebed..a2f1d15f813 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffReasons/Item/TimeOffReasonItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
index e273dd64cdb..c31f52cabc8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimeOffRequests/Item/TimeOffRequestItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
index e5902939c4a..93d37987e95 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Schedule/TimesOff/Item/TimeOffItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index b4aec27c7e3..e63d91829ff 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
index 3bcb7a87422..d7931154f3a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/Members/Item/TeamworkTagMemberItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
index 970b29dd4b7..f8aca5f40e4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Tags/Item/TeamworkTagItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/TeamItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/TeamItemRequestBuilder.cs
index 6e9c13e9249..bc9d7fd76a5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/TeamItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/TeamItemRequestBuilder.cs
@@ -228,6 +228,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
index 5baa5d87b1e..a2e180a1a3e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/JoinedTeams/Item/Unarchive/UnarchiveRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
index 8f8a3f55340..8cee0cd5207 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/LicenseDetails/Item/LicenseDetailsItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
index 81e601ffbe4..5d948d8ac78 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MailFolderItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
index 543a10b81eb..d36156e66a8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index e240dbaa830..5bbc29adb72 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 80afa3c9269..c2e4556d9f7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
index 1429a58a014..fa774590512 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
index 9a6de52394a..e61183c3dca 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 562909d0f4b..17f576aea1d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
index 242109eb334..a991f697bcd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index 930ba2fe870..572a183972f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
index 88c83dadae7..f7842f3637f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
index 556711abf60..c698ddf1ac5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 9a78e589288..eeb0594c5e9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/ChildFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MailFolderItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MailFolderItemRequestBuilder.cs
index d349cebaebc..504bf9fcea7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MailFolderItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MailFolderItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
index b1eef6eb81c..64c244fecab 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/MessageRules/Item/MessageRuleItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index f44d025e3b6..14f755dfd46 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 0dcd4523410..4eea35afafa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
index 4fd22e931e7..ee1cee6c856 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
index 81c52a4e6ee..3e104382823 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/MessageItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 7b7215bae29..67473d9471b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
index fbe1e276063..61a651dcf82 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index b92131033b3..f1337cfe458 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
index e220e668d11..263ec86c85d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
index 17bd4e2ae1e..31fabd8c843 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/Messages/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index f00dd9e3d3d..04738bc7ed6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/MailFolders/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
index 03316076e48..a94000c92eb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/BypassActivationLock/BypassActivationLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
index 2121c758fd2..05ec6ed7053 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/CleanWindowsDevice/CleanWindowsDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
index c3d467449fe..d56b3d71b04 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeleteUserFromSharedAppleDevice/DeleteUserFromSharedAppleDeviceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
index 6f6609b3f61..7df03107737 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/DeviceCategoryRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
index 6488c372f3f..0f478055b1d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCategory/Ref/RefRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
index d4e34db6232..29e6f7010be 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceCompliancePolicyStates/Item/DeviceCompliancePolicyStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
index e78579fddcb..d2c0ba7211f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DeviceConfigurationStates/Item/DeviceConfigurationStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
index dff76656a1a..bf9260bed4c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/DisableLostMode/DisableLostModeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
index c68d68fd774..868d83a27c8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LocateDevice/LocateDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
index 1e6078740e2..2bc6d1c2198 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogCollectionRequests/Item/DeviceLogCollectionResponseItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
index f065e94943c..e670aa5d283 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/LogoutSharedAppleDeviceActiveUser/LogoutSharedAppleDeviceActiveUserRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
index 7e20201f5b0..701023bd855 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ManagedDeviceItemRequestBuilder.cs
@@ -264,6 +264,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
index ee408b40889..2f34b76b415 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RebootNow/RebootNowRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
index 5b34e3d2ec0..060711282a7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RecoverPasscode/RecoverPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
index 4377fae044b..b7e6d4a064b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RemoteLock/RemoteLockRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
index fbf474ada10..9da9d332db2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/RequestRemoteAssistance/RequestRemoteAssistanceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
index b028073d591..b6a41da4e26 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ResetPasscode/ResetPasscodeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Retire/RetireRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
index 4f3166129c2..47d176f3408 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Retire/RetireRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
index 215d875c8f1..de60fd40b55 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/ShutDown/ShutDownRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
index fe923fd7c56..4fb3d188342 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/SyncDevice/SyncDeviceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
index d8e009d532c..3dd64471a66 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/UpdateWindowsDeviceAccount/UpdateWindowsDeviceAccountRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
index d5be2e6233a..9805fc04761 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderScan/WindowsDefenderScanRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
index a867cd97371..abd1d460fe7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsDefenderUpdateSignatures/WindowsDefenderUpdateSignaturesRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
index 17e6c3480d8..467b1d80bd6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/DetectedMalwareState/Item/WindowsDeviceMalwareStateItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
index 4ca8f0759e7..6790dcd6e47 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/WindowsProtectionState/WindowsProtectionStateRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
index 281d0994df4..5f68f78fd45 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ManagedDevices/Item/Wipe/WipeRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Manager/Ref/RefRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Manager/Ref/RefRequestBuilder.cs
index 2bc7b991baf..14f2326324a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Manager/Ref/RefRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Manager/Ref/RefRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -161,6 +162,7 @@ public RequestInformation ToPutRequestInformation(global::Microsoft.Graph.Models
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
index dc9f8172fa9..d412219c813 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Attachments/Item/AttachmentItemRequestBuilder.cs
@@ -95,6 +95,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 8dd4769952c..e435f2f2841 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Forward/ForwardRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
index e62fb372b27..ac5071166b2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Forward/ForwardRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/MessageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/MessageItemRequestBuilder.cs
index d5859b54ec7..352a891e7ae 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/MessageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/MessageItemRequestBuilder.cs
@@ -198,6 +198,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
index 06a031aa641..09304628f3b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/PermanentDelete/PermanentDeleteRequestBuilder.cs
@@ -71,6 +71,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Reply/ReplyRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
index 71a992cafe3..beb6a3b4762 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Reply/ReplyRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
index 72e5b6232d0..1aa907da290 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/ReplyAll/ReplyAllRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Send/SendRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Send/SendRequestBuilder.cs
index 92390efab85..4f91bfc1980 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Send/SendRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Send/SendRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Value/ContentRequestBuilder.cs
index c36ca01a3bd..f8fbb08e1eb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Messages/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
index fc9047e7f42..8437311d378 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/NotebookItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index 56170ec37e0..f8e54bbfad2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 3132be76121..49677ded458 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index cd840691eff..d29088b45af 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 12a91b2a99b..fe279d06a87 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 143ade87f9c..461030d2a07 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index c71d705a83b..94ae59ca80e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 404d82aa36d..ec743e559bd 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 80cb20c8639..c78e2eef05a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index af8583a8021..13768eb7b72 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Notebooks/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/OnenoteRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/OnenoteRequestBuilder.cs
index c69100f3ada..a1988395b1a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/OnenoteRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/OnenoteRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
index d2fb433e00c..fa2d40fb18f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Operations/Item/OnenoteOperationItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
index 35e9b427c3c..f4b0504e493 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
index debf906d389..185b4b5c780 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index eca5e167498..5f0ae2ffd5e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
index 870387ca549..ebd0785aab6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
index 3727a6e8dbf..b61c9f91f24 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Resources/Item/OnenoteResourceItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
index a4fa1261313..fec7d1bc33c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/SectionGroupItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 23a06466bb2..e2c45a88293 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 13baabc7c50..27a39928184 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 3bfb3e5695c..6240b67466f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 60bd0561f7d..24c93722690 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/SectionGroups/Item/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
index 00ea4479287..385ae93e01e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/OnenoteSectionItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
index 8e5bef03e77..543cc879789 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
index 2d81b8ca162..8feda4f9188 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePageItemRequestBuilder.cs
@@ -156,6 +156,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
index 18916200cb5..1b84e8cc0a0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Onenote/Sections/Item/Pages/Item/OnenotePatchContent/OnenotePatchContentRequestBuilder.cs
@@ -75,6 +75,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
index 97229febba5..5c34054ebaf 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/AttendanceRecords/Item/AttendanceRecordItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
index cca76f5d42f..9f1e1ed8e86 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendanceReports/Item/MeetingAttendanceReportItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
index aa579783029..5c720ce7a55 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/AttendeeReport/AttendeeReportRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
index 00883f5054e..159b21b1c37 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/OnlineMeetingItemRequestBuilder.cs
@@ -162,6 +162,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
index fb8288e0513..18e83d9036a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/CallRecordingItemRequestBuilder.cs
@@ -127,6 +127,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
index c8bf4036270..70ab621e72a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Recordings/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
index 497d54c6f57..ddfb50e8f3d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentReminderSms/SendVirtualAppointmentReminderSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
index 44d67ba4a63..174c78bc7a7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/SendVirtualAppointmentSms/SendVirtualAppointmentSmsRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
index a29e077c544..4a9684017a1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/CallTranscriptItemRequestBuilder.cs
@@ -133,6 +133,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
index bbb6dbc2a87..0376cc9b88b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/Content/ContentRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -139,7 +140,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
index 2f539080240..7b8d2429ead 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/OnlineMeetings/Item/Transcripts/Item/MetadataContent/MetadataContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -159,6 +160,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
index aafd2feebad..aba1d2c1dae 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Outlook/MasterCategories/Item/OutlookCategoryItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
index 27d6e3f290a..0d6a21c8031 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/PermissionGrants/Item/ResourceSpecificPermissionGrantItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Photo/PhotoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Photo/PhotoRequestBuilder.cs
index e5171b6931c..c1c13d0928e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Photo/PhotoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Photo/PhotoRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Photo/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Photo/Value/ContentRequestBuilder.cs
index cc45d74aaab..373ecdba3f0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Photo/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Photo/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Photos/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Photos/Item/Value/ContentRequestBuilder.cs
index 2ec0561866d..bf59a935944 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Photos/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Photos/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/PlannerRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/PlannerRequestBuilder.cs
index cf9a42df4a7..1ab5e0e6b8d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/PlannerRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/PlannerRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
index 7d020a3818c..8172615e84d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/PlannerBucketItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 68f0ba082db..1a2c8ffb99b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index e4e025907d6..f00717d956f 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 532ac17a62b..39151fb4ba1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 141656c3a6d..16caa9cd501 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index 126df9b7b07..c7642a7f21e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Buckets/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
index 367d8c9d1bd..f93c1f59ff5 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
index c5f9dee2710..ca7d7e0472b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/PlannerPlanItemRequestBuilder.cs
@@ -138,6 +138,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index 05b8400bfd9..afb71a7cb3c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 75b613905fc..e22bf865e4b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
index 0cee91939e7..bc3396a1403 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 26aa9fe0b05..b334d069858 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index d50f798806a..cb0bda7769c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Plans/Item/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
index aa2eee6896d..46d01bbac37 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/AssignedToTaskBoardFormat/AssignedToTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
index 0ece38f212f..0ba59a961d6 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/BucketTaskBoardFormat/BucketTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
index c263da17c19..f03dac55545 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/Details/DetailsRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
index 4742bcfbd69..f3a61e77437 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/PlannerTaskItemRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
index ca02e385342..db487864a99 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Planner/Tasks/Item/ProgressTaskBoardFormat/ProgressTaskBoardFormatRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearPresence/ClearPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
index 7bad76a6475..61fef4a6f29 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearPresence/ClearPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
index 3e8793e4800..10d753268f7 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/ClearUserPreferredPresence/ClearUserPreferredPresenceRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/PresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/PresenceRequestBuilder.cs
index 31790f3e417..bc25f2f806a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/PresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/PresenceRequestBuilder.cs
@@ -151,6 +151,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetPresence/SetPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetPresence/SetPresenceRequestBuilder.cs
index 1c78f47b2a4..2b19fc39334 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetPresence/SetPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetPresence/SetPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
index 59dd1b93e84..a0e26c64deb 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetStatusMessage/SetStatusMessageRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
index 4adf4f98639..288c86d31d3 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Presence/SetUserPreferredPresence/SetUserPreferredPresenceRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
index ac0b5ff88ef..f8d3934474a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/RemoveAllDevicesFromManagement/RemoveAllDevicesFromManagementRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
index 6ec3cbde0eb..78254a2f701 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/RetryServiceProvisioning/RetryServiceProvisioningRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
index d7abddace7e..a7f6eac8bc4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/ScopedRoleMemberOf/Item/ScopedRoleMembershipItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/SendMail/SendMailRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/SendMail/SendMailRequestBuilder.cs
index 323c319730e..2acf8e0a02e 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/SendMail/SendMailRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/SendMail/SendMailRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/ItemInsights/ItemInsightsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
index 7e5a714e61a..e278ee89afa 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/ItemInsights/ItemInsightsRequestBuilder.cs
@@ -121,6 +121,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/SettingsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/SettingsRequestBuilder.cs
index e449cff985c..7a948949910 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/SettingsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/SettingsRequestBuilder.cs
@@ -144,6 +144,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
index ff2f7d57319..a19d02bb561 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/ShiftPreferences/ShiftPreferencesRequestBuilder.cs
@@ -122,6 +122,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/QuotaRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/QuotaRequestBuilder.cs
index 36275266f5a..32c06e0f32d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/QuotaRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/QuotaRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
index 5f2f4748d45..218c9d09f7d 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/Quota/Services/Item/ServiceStorageQuotaBreakdownItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/StorageRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/StorageRequestBuilder.cs
index 7c5a4f641ab..a0429b1b945 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/StorageRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/Storage/StorageRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
index 3b2fe20cc9a..801c5712ad9 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/Instances/Item/WindowsSettingInstanceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
index 5c391ecb46a..25606509cd1 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Settings/Windows/Item/WindowsSettingItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Solutions/SolutionsRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Solutions/SolutionsRequestBuilder.cs
index 4ce1ce2b2de..bd1e14c6f96 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Solutions/SolutionsRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Solutions/SolutionsRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
index f16c8b5e804..d861f7a3fb2 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/EndWorkingTime/EndWorkingTimeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
index 548d77b6066..fc3d6f1f98b 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/StartWorkingTime/StartWorkingTimeRequestBuilder.cs
@@ -72,6 +72,7 @@ public RequestInformation ToPostRequestInformation(Action<RequestConfiguration<D
 #endif
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
index 22d54e5cffc..06f02317764 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Solutions/WorkingTimeSchedule/WorkingTimeScheduleRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
index c22069d9eeb..bb9c8a36c21 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/AssociatedTeams/Item/AssociatedTeamInfoItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
index 1017785ca52..0bd899905ab 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/InstalledApps/Item/UserScopeTeamsAppInstallationItemRequestBuilder.cs
@@ -140,6 +140,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
index 4bdc1c54d9c..34af3ecff59 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/SendActivityNotification/SendActivityNotificationRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/TeamworkRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/TeamworkRequestBuilder.cs
index bee2a0a8421..f2c9f957272 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Teamwork/TeamworkRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Teamwork/TeamworkRequestBuilder.cs
@@ -139,6 +139,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 28d2aac5a80..d3860aa560a 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
index 08a4b75668c..b7050afb032 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/AttachmentSessionItemRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
index 5db767853cb..f34be54fe58 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/AttachmentSessions/Item/Content/ContentRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -138,7 +139,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
index 628566220e4..665304824f0 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/AttachmentBaseItemRequestBuilder.cs
@@ -101,6 +101,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
index 92f70aaa6f7..481ba4476e8 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Attachments/Item/Value/ContentRequestBuilder.cs
@@ -119,6 +119,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
@@ -137,7 +138,7 @@ public RequestInformation ToGetRequestInformation(Action<RequestConfiguration<De
 #endif
             var requestInfo = new RequestInformation(Method.GET, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
-            requestInfo.Headers.TryAdd("Accept", "application/octet-stream");
+            requestInfo.Headers.TryAdd("Accept", "application/octet-stream, application/json");
             return requestInfo;
         }
         /// <summary>
@@ -158,6 +159,7 @@ public RequestInformation ToPutRequestInformation(Stream body, Action<RequestCon
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.PUT, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetStreamContent(body, "application/octet-stream");
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
index a9eda7f549f..017465e6f88 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/ChecklistItems/Item/ChecklistItemItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
index 5030d0f2c4d..24b14ef72ae 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/Extensions/Item/ExtensionItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
index fcfe947f45c..e4a4a631093 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/LinkedResources/Item/LinkedResourceItemRequestBuilder.cs
@@ -120,6 +120,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
index 51b66825e26..f45e3d9e77c 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/Tasks/Item/TodoTaskItemRequestBuilder.cs
@@ -150,6 +150,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
index 7bd0a30643c..0b66ed55946 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/Lists/Item/TodoTaskListItemRequestBuilder.cs
@@ -132,6 +132,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/Todo/TodoRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/Todo/TodoRequestBuilder.cs
index 2b350d7f6c2..d7ebad3fdb4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/Todo/TodoRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/Todo/TodoRequestBuilder.cs
@@ -126,6 +126,7 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
diff --git a/src/Microsoft.Graph/Generated/Users/Item/UserItemRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/UserItemRequestBuilder.cs
index 7d3c23bcab6..f8ccf029381 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/UserItemRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/UserItemRequestBuilder.cs
@@ -481,8 +481,8 @@ public UserItemRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : b
         {
         }
         /// <summary>
-        /// Deletes a user.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-user-delete?view=graph-rest-1.0" />
+        /// Delete a user object.   When deleted, user resources, including their mailbox and license assignments, are moved to a temporary container and if the user is restored within 30 days, these objects are restored to them. The user is also restored to any groups they were a member of. After 30 days and if not restored, the user object is permanently deleted and their assigned resources freed. To manage the deleted user object, see deletedItems.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -516,8 +516,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return new global::Microsoft.Graph.Users.Item.ExportDeviceAndAppManagementDataWithSkipWithTop.ExportDeviceAndAppManagementDataWithSkipWithTopRequestBuilder(PathParameters, RequestAdapter, skip, top);
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the user object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-user-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.User"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -578,7 +578,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return new global::Microsoft.Graph.Users.Item.ReminderViewWithStartDateTimeWithEndDateTime.ReminderViewWithStartDateTimeWithEndDateTimeRequestBuilder(PathParameters, RequestAdapter, endDateTime, startDateTime);
         }
         /// <summary>
-        /// Deletes a user.
+        /// Delete a user object.   When deleted, user resources, including their mailbox and license assignments, are moved to a temporary container and if the user is restored within 30 days, these objects are restored to them. The user is also restored to any groups they were a member of. After 30 days and if not restored, the user object is permanently deleted and their assigned resources freed. To manage the deleted user object, see deletedItems.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -593,10 +593,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
+        /// Read properties and relationships of the user object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -654,7 +655,7 @@ public partial class UserItemRequestBuilderDeleteRequestConfiguration : RequestC
         {
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
+        /// Read properties and relationships of the user object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class UserItemRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/Users/Item/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/Item/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
index cf678af7c6a..03b9a4a1db4 100644
--- a/src/Microsoft.Graph/Generated/Users/Item/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/Item/WipeManagedAppRegistrationsByDeviceTag/WipeManagedAppRegistrationsByDeviceTagRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/Users/UsersRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/UsersRequestBuilder.cs
index 9e3f098e696..8af54378d72 100644
--- a/src/Microsoft.Graph/Generated/Users/UsersRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/UsersRequestBuilder.cs
@@ -79,7 +79,7 @@ public UsersRequestBuilder(string rawUrl, IRequestAdapter requestAdapter) : base
         }
         /// <summary>
         /// List properties and relationships of the user objects.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-user-list?view=graph-rest-1.0" />
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-mam-user-list?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.UserCollectionResponse"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
diff --git a/src/Microsoft.Graph/Generated/Users/ValidateProperties/ValidatePropertiesRequestBuilder.cs b/src/Microsoft.Graph/Generated/Users/ValidateProperties/ValidatePropertiesRequestBuilder.cs
index 5c46c50797e..188bc8c5d1c 100644
--- a/src/Microsoft.Graph/Generated/Users/ValidateProperties/ValidatePropertiesRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/Users/ValidateProperties/ValidatePropertiesRequestBuilder.cs
@@ -76,6 +76,7 @@ public RequestInformation ToPostRequestInformation(global::Microsoft.Graph.Users
             _ = body ?? throw new ArgumentNullException(nameof(body));
             var requestInfo = new RequestInformation(Method.POST, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             requestInfo.SetContentFromParsable(RequestAdapter, "application/json", body);
             return requestInfo;
         }
diff --git a/src/Microsoft.Graph/Generated/UsersWithUserPrincipalName/UsersWithUserPrincipalNameRequestBuilder.cs b/src/Microsoft.Graph/Generated/UsersWithUserPrincipalName/UsersWithUserPrincipalNameRequestBuilder.cs
index c125a63beec..8c541489359 100644
--- a/src/Microsoft.Graph/Generated/UsersWithUserPrincipalName/UsersWithUserPrincipalNameRequestBuilder.cs
+++ b/src/Microsoft.Graph/Generated/UsersWithUserPrincipalName/UsersWithUserPrincipalNameRequestBuilder.cs
@@ -37,8 +37,8 @@ public UsersWithUserPrincipalNameRequestBuilder(string rawUrl, IRequestAdapter r
         {
         }
         /// <summary>
-        /// Deletes a user.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-user-delete?view=graph-rest-1.0" />
+        /// Delete a user object.   When deleted, user resources, including their mailbox and license assignments, are moved to a temporary container and if the user is restored within 30 days, these objects are restored to them. The user is also restored to any groups they were a member of. After 30 days and if not restored, the user object is permanently deleted and their assigned resources freed. To manage the deleted user object, see deletedItems.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-delete?view=graph-rest-1.0" />
         /// </summary>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -60,8 +60,8 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             await RequestAdapter.SendNoContentAsync(requestInfo, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
-        /// Find more info here <see href="https://learn.microsoft.com/graph/api/user-get?view=graph-rest-1.0" />
+        /// Read properties and relationships of the user object.
+        /// Find more info here <see href="https://learn.microsoft.com/graph/api/intune-onboarding-user-get?view=graph-rest-1.0" />
         /// </summary>
         /// <returns>A <see cref="global::Microsoft.Graph.Models.User"/></returns>
         /// <param name="cancellationToken">Cancellation token to use when cancelling requests</param>
@@ -110,7 +110,7 @@ public async Task DeleteAsync(Action<RequestConfiguration<DefaultQueryParameters
             return await RequestAdapter.SendAsync<global::Microsoft.Graph.Models.User>(requestInfo, global::Microsoft.Graph.Models.User.CreateFromDiscriminatorValue, errorMapping, cancellationToken).ConfigureAwait(false);
         }
         /// <summary>
-        /// Deletes a user.
+        /// Delete a user object.   When deleted, user resources, including their mailbox and license assignments, are moved to a temporary container and if the user is restored within 30 days, these objects are restored to them. The user is also restored to any groups they were a member of. After 30 days and if not restored, the user object is permanently deleted and their assigned resources freed. To manage the deleted user object, see deletedItems.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -125,10 +125,11 @@ public RequestInformation ToDeleteRequestInformation(Action<RequestConfiguration
 #endif
             var requestInfo = new RequestInformation(Method.DELETE, UrlTemplate, PathParameters);
             requestInfo.Configure(requestConfiguration);
+            requestInfo.Headers.TryAdd("Accept", "application/json");
             return requestInfo;
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
+        /// Read properties and relationships of the user object.
         /// </summary>
         /// <returns>A <see cref="RequestInformation"/></returns>
         /// <param name="requestConfiguration">Configuration for the request such as headers, query parameters, and middleware options.</param>
@@ -186,7 +187,7 @@ public partial class UsersWithUserPrincipalNameRequestBuilderDeleteRequestConfig
         {
         }
         /// <summary>
-        /// Retrieve the properties and relationships of user object. This operation returns by default only a subset of the more commonly used properties for each user. These default properties are noted in the Properties section. To get properties that are not returned by default, do a GET operation for the user and specify the properties in a $select OData query option. Because the user resource supports extensions, you can also use the GET operation to get custom properties and extension data in a user instance. Customers through Microsoft Entra ID for customers can also use this API operation to retrieve their details.
+        /// Read properties and relationships of the user object.
         /// </summary>
         [global::System.CodeDom.Compiler.GeneratedCode("Kiota", "1.0.0")]
         public partial class UsersWithUserPrincipalNameRequestBuilderGetQueryParameters 
diff --git a/src/Microsoft.Graph/Generated/kiota-dom-export.txt b/src/Microsoft.Graph/Generated/kiota-dom-export.txt
index 80fc9fa1324..41405b032f6 100644
--- a/src/Microsoft.Graph/Generated/kiota-dom-export.txt
+++ b/src/Microsoft.Graph/Generated/kiota-dom-export.txt
@@ -21800,8 +21800,10 @@ Microsoft.Graph.Drives.Item.Items.Item.Content.contentRequestBuilder::|public|To
 Microsoft.Graph.Drives.Item.Items.Item.Content.contentRequestBuilder::|public|WithUrl(rawUrl:string):global.Microsoft.Graph.Drives.Item.Items.Item.Content.ContentRequestBuilder
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|AdditionalData:IDictionary<string, object>
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|BackingStore:IBackingStore
+Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|ChildrenOnly:bool?
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|constructor():void
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|GetFieldDeserializers():IDictionary<string, Action<IParseNode>>
+Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|IncludeAllVersionHistory:bool?
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|Name:string
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|ParentReference:global.Microsoft.Graph.Models.ItemReference
 Microsoft.Graph.Drives.Item.Items.Item.Copy.copyPostRequestBody::|public|Serialize(writer:ISerializationWriter):void
@@ -127888,7 +127890,8 @@ Microsoft.Graph.Models.Security.detectionSource::0031-scheduledAlerts
 Microsoft.Graph.Models.Security.detectionSource::0032-microsoftDefenderThreatIntelligenceAnalytics
 Microsoft.Graph.Models.Security.detectionSource::0033-builtInMl
 Microsoft.Graph.Models.Security.detectionSource::0034-microsoftInsiderRiskManagement
-Microsoft.Graph.Models.Security.detectionSource::0035-microsoftSentinel
+Microsoft.Graph.Models.Security.detectionSource::0035-microsoftThreatIntelligence
+Microsoft.Graph.Models.Security.detectionSource::0036-microsoftSentinel
 Microsoft.Graph.Models.Security.detectionStatus::0000-detected
 Microsoft.Graph.Models.Security.detectionStatus::0001-blocked
 Microsoft.Graph.Models.Security.detectionStatus::0002-prevented
@@ -129427,6 +129430,7 @@ Microsoft.Graph.Models.Security.serviceSource::0009-unknownFutureValue
 Microsoft.Graph.Models.Security.serviceSource::0010-microsoftDefenderForCloud
 Microsoft.Graph.Models.Security.serviceSource::0011-microsoftSentinel
 Microsoft.Graph.Models.Security.serviceSource::0012-microsoftInsiderRiskManagement
+Microsoft.Graph.Models.Security.serviceSource::0013-microsoftThreatIntelligence
 Microsoft.Graph.Models.Security.singlePropertySchema::|public|AdditionalData:IDictionary<string, object>
 Microsoft.Graph.Models.Security.singlePropertySchema::|public|BackingStore:IBackingStore
 Microsoft.Graph.Models.Security.singlePropertySchema::|public|constructor():void
diff --git a/src/Microsoft.Graph/Generated/kiota-lock.json b/src/Microsoft.Graph/Generated/kiota-lock.json
index f62bb56a1f4..563f66f6244 100644
--- a/src/Microsoft.Graph/Generated/kiota-lock.json
+++ b/src/Microsoft.Graph/Generated/kiota-lock.json
@@ -1,5 +1,5 @@
 {
-  "descriptionHash": "8C75F16BB9ABE9567330698691D7174784D5895F82477311541FDD4D5E1E67DF7EF9D0E9A0C93A97EA7FED3E9145055DE21A65AEA5B3398D1482C6C8B0432822",
+  "descriptionHash": "BEB221C1C6B3D877739978541ED69FC649FE578C4B8B1B40F92A0B62DD153F2DE2D87024E65E97F8EB43F23BAF4FDA8A52DB64A198175A63C7AF145FAB05237B",
   "descriptionLocation": "../../msgraph-metadata/clean_v10_openapi/openapi.yaml",
   "lockFileVersion": "1.0.0",
   "kiotaVersion": "1.27.0",