Unable to pull image from mcr.microsoft.com

[jozkee]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108670
Build error leg or test failing:

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "Unable to pull image mcr.microsoft.com/dotnet-buildtools/prereqs",
  "BuildRetry": true,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108670
Result validation: ⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 8/1/2025 8:10:46 AM UTC

Report

Build	Definition	Test	Pull Request
1378404	dotnet/runtime	System.Globalization.Extensions.Tests.WorkItemExecution	#126848
1378355	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Threading.ThreadPool.Tests.WorkItemExecution	#126881
1378342	dotnet/runtime	System.Xml.Linq.xNodeBuilder.Tests.WorkItemExecution	#126874
1378363	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-0.WorkItemExecution	#126469
1378248	dotnet/runtime	Microsoft.Extensions.FileProviders.Composite.Tests.WorkItemExecution	#125437
1378182	dotnet/runtime	System.Xml.Linq.Axes.Tests.WorkItemExecution	#125436
1378133	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-2.WorkItemExecution	#126836
1378119	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-3.WorkItemExecution	#126874
1377866	dotnet/runtime	System.Diagnostics.DiagnosticSource.Tests.WorkItemExecution	#125439
1377783	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Reflection.CoreCLR.Tests.WorkItemExecution	#126809
1377804	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Reflection.CoreCLR.Tests.WorkItemExecution
1377789	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-18.WorkItemExecution	#125516
1377821	dotnet/runtime	System.Net.ServicePoint.Tests.WorkItemExecution	#126864
1377743	dotnet/runtime	System.IO.Compression.Brotli.Tests.WorkItemExecution	#126845
1377665	dotnet/runtime	System.ComponentModel.TypeConverter.Tests.WorkItemExecution	#126864
1377647	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tests.WorkItemExecution	#126863
1377618	dotnet/runtime	Microsoft.Bcl.TimeProvider.Tests.WorkItemExecution	#126833
1377594	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-4.WorkItemExecution	#126380
1377574	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Private.Uri.Unit.Tests.WorkItemExecution	#126855
1377604	dotnet/runtime	System.Numerics.Tensors.Tests.WorkItemExecution	#125596
1377563	dotnet/runtime	JIT_ro.WorkItemExecution
1377506	dotnet/runtime	System.Private.Xml.Tests.WorkItemExecution	#126752
1377437	dotnet/runtime	Invariant.Tests.WorkItemExecution	#126854
1377141	dotnet/runtime	Invariant.Tests.WorkItemExecution	#126719
1377025	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Collections.Immutable.Tests.WorkItemExecution	#126453
1376952	dotnet/runtime	System.Resources.ResourceManager.Tests.WorkItemExecution	#126700
1376824	dotnet/runtime	System.Threading.Thread.Tests.WorkItemExecution	#126835
1376736	dotnet/runtime	System.Runtime.Intrinsics.Tests.WorkItemExecution	#126833
1376733	dotnet/runtime	System.Threading.Tasks.Dataflow.Tests.WorkItemExecution	#126832
1376617	dotnet/runtime	System.Composition.Convention.Tests.WorkItemExecution	#126091
1376545	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1376461	dotnet/runtime	WBT-NoWorkload-CLR-ST-Wasm.Build.Tests.FilesToIncludeInFileSystemTests.WorkItemExecution	#126830
1376443	dotnet/runtime	Microsoft.Extensions.Options.SourceGeneration.Tests.WorkItemExecution	#124637
1376410	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.Tests.WorkItemExecution	#125607
1376398	dotnet/runtime	System.Net.Primitives.UnitTests.Tests.WorkItemExecution
1376220	dotnet/runtime	System.Web.HttpUtility.Tests.WorkItemExecution	#126825
1376114	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Xml.Schema.Extensions.Tests.WorkItemExecution	#126447
1376080	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Linq.Tests.WorkItemExecution	#125396
1376046	dotnet/runtime	System.Threading.Thread.Tests.WorkItemExecution	#126797
1376043	dotnet/runtime	Regression_9.WorkItemExecution	#126813
1375999	dotnet/runtime	WasmTestOnChrome-MONO-ST-MetricOuterLoop.Tests.WorkItemExecution	#126622
1375973	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Diagnostics.TextWriterTraceListener.Tests.WorkItemExecution	#126309
1375887	dotnet/runtime	System.Net.Security.Enterprise.Tests.WorkItemExecution	#126553
1375881	dotnet/runtime	System.Xml.Linq.TreeManipulation.Tests.WorkItemExecution	#126796
1375877	dotnet/runtime	Regression_5.WorkItemExecution
1375864	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-1.WorkItemExecution	#126803
1375854	dotnet/runtime	WasmTestOnChrome-MONO-ST-Invariant.Tests.WorkItemExecution	#126691
1375869	dotnet/runtime	System.Text.Encoding.Tests.WorkItemExecution	#126542
1375861	dotnet/runtime	System.Collections.NonGeneric.Tests.WorkItemExecution	#126810
1375801	dotnet/runtime	System.Xml.Linq.xNodeBuilder.Tests.WorkItemExecution	#126801
1375822	dotnet/runtime	Regression_5.WorkItemExecution	#126790
1375777	dotnet/runtime	System.Runtime.Tests.WorkItemExecution	#126809
1375774	dotnet/runtime	MetricOuterLoop1.Tests.WorkItemExecution	#126542
1375691	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1375693	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1375644	dotnet/runtime	System.Formats.Tar.Tests.TarReader_SparseFileTests.SparseLayout_ExpandsCorrectly
1375562	dotnet/runtime	System.Runtime.InteropServices.Tests.DestroyStructureTests.DestroyStructure_Blittable_Success
1375635	dotnet/runtime	System.Text.RegularExpressions.Tests.WorkItemExecution
1375617	dotnet/runtime	Microsoft.Extensions.Logging.Tests.WorkItemExecution	#125889
1375627	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Diagnostics.TraceSource.Config.Tests.WorkItemExecution	#126806
1375607	dotnet/runtime	System.Threading.Timer.Tests.WorkItemExecution	#126805
1375557	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Text.Json.Tests.WorkItemExecution	#126575
1375525	dotnet/runtime	System.Xml.Linq.Misc.Tests.WorkItemExecution	#126803
1375471	dotnet/runtime	System.Runtime.InteropServices.Tests.DestroyStructureTests.DestroyStructure_Blittable_Success	#125396
1375379	dotnet/runtime	System.Formats.Tar.Tests.TarReader_SparseFileTests.SparseLayout_ExpandsCorrectly
1375441	dotnet/runtime	System.Data.DataSetExtensions.Tests.WorkItemExecution	#125901
1375394	dotnet/runtime	System.Runtime.InteropServices.Tests.DestroyStructureTests.DestroyStructure_Blittable_Success	#126773
1375374	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-2.WorkItemExecution	#126542
1375234	dotnet/runtime	System.Runtime.InteropServices.Tests.DestroyStructureTests.DestroyStructure_Blittable_Success	#126707
1375224	dotnet/runtime	_covariant_returns::AsyncMicro.Program.TestPrRepro()
1375212	dotnet/runtime	Microsoft.Extensions.Options.ConfigurationExtensions.SourceGeneration.Tests.WorkItemExecution	#126791
1375200	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#126699
1375078	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Threading.Tests.WorkItemExecution	#126575
1375030	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1375023	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Net.Mail.Unit.Tests.WorkItemExecution	#125304
1375013	dotnet/runtime	System.Threading.Tasks.Dataflow.Tests.WorkItemExecution
2948765	dotnet-runtime	WasmTestOnChrome-CLR-ST-Batch-17.WorkItemExecution
1375004	dotnet/runtime	System.Runtime.InteropServices.Tests.DestroyStructureTests.DestroyStructure_Blittable_Success	#126478
1374990	dotnet/runtime	Microsoft.Bcl.AsyncInterfaces.Tests.WorkItemExecution
1374947	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#126784
1374936	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Collections.Immutable.Tests.WorkItemExecution	#126782
1374909	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.InvariantTimezoneTests.WorkItemExecution	#126277
1374879	dotnet/runtime	System.Private.Xml.Tests.WorkItemExecution	#126752
1374810	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-5.WorkItemExecution	#126520
1374800	dotnet/runtime	System.Runtime.Extensions.Tests.WorkItemExecution	#126717
1374782	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Reflection.InvokeEmit.Tests.WorkItemExecution	#126678
1374744	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Net.Security.Enterprise.Tests.WorkItemExecution	#126662
1374518	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Threading.Channels.Tests.WorkItemExecution	#126653
1374571	dotnet/runtime	System.Text.Encodings.Web.Tests.WorkItemExecution	#126765
1374466	dotnet/runtime	System.Runtime.Serialization.Json.Tests.WorkItemExecution
1374455	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#126762
1374460	dotnet/runtime	System.Xml.Schema.Extensions.Tests.WorkItemExecution	#126720
1374447	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#126571
1374331	dotnet/runtime	reflection.WorkItemExecution
1374294	dotnet/runtime	WasmTestOnChrome-ST-System.Text.RegularExpressions.Tests.WorkItemExecution
1374333	dotnet/runtime	tracing/eventlistener/EventListenerThreadPool/EventListenerThreadPool.dll	#126108
1374112	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.Tests.WorkItemExecution	#126520
1374054	dotnet/runtime	System.Memory.Tests.WorkItemExecution	#126702
1373997	dotnet/runtime	System.Xml.Linq.Streaming.Tests.WorkItemExecution	#123827
1373958	dotnet/runtime	System.Xml.Linq.Properties.Tests.WorkItemExecution	#126512
Displaying 100 of 464 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
24	164	464

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[jozkee]

This is from a preview6 run from Jun 20th, it might've been fixed in main already.

[lewing]

@akoeplinger do we know what is causing these in general?

[akoeplinger]

hm no, this looks like an infrastructure/dnceng issue to me

[AndriySvyryd]

We are hitting a similar one: Unable to pull image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-sqlserver-amd64 in efcore
https://dev.azure.com/dnceng-public/public/_build/results?buildId=1106421&view=logs&j=f95328f7-07f5-5106-5c2a-5dc7069f305c&t=e2f3026d-346a-509b-3549-57236476a9cb
https://dev.azure.com/dnceng-public/public/_build/results?buildId=1108065&view=logs&j=f95328f7-07f5-5106-5c2a-5dc7069f305c&t=e2f3026d-346a-509b-3549-57236476a9cb