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
1222720	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#122258
1222690	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1222694	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1222674	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution
1222664	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.AppsettingsTests.WorkItemExecution
1222622	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.DllImportTests.WorkItemExecution	#122258
1222598	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.DllImportTests.WorkItemExecution	#121694
1222595	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.Blazor.NoopNativeRebuildTest.WorkItemExecution	#121656
1222457	dotnet/runtime	Wasm.Build.NativeRebuild.Tests.FlagsChangeRebuildTests.ExtraEmccFlagsSetButNoRealChange	#121614
1222166	dotnet/runtime	Regression_1.WorkItemExecution	#122242
1221895	dotnet/runtime	System.Collections.NonGeneric.Tests.WorkItemExecution
1221654	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#122208
1221587	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.SimpleRunTests.WorkItemExecution	#120330
1221571	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1221487	dotnet/runtime	System.Security.Cryptography.X509Certificates.Tests.CollectionTests.X509ChainElementCollection_CopyTo_NonZeroLowerBound_ThrowsIndexOutOfRangeException
1220963	dotnet/runtime	chrome-DebuggerTests.AssignmentTests.WorkItemExecution	#122199
1220544	dotnet/runtime	JSImportGenerator.Unit.Tests.Compiles.ValidateGeneratedSourceOutput_AllAnnotatedParameters	#121412
1220495	dotnet/runtime	WasmTestOnChrome-ST-System.Net.Http.Functional.Tests.WorkItemExecution	#121614
1220446	dotnet/runtime	JIT_ro.WorkItemExecution	#120330
1220399	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.PInvokeTableGeneratorTests.WorkItemExecution	#121366
1220161	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1220169	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1219965	dotnet/runtime	Common.Tests.WorkItemExecution	#122136
1219763	dotnet/runtime	System.Net.Http.Functional.Tests.WorkItemExecution	#122125
1219939	dotnet/runtime	System.ComponentModel.TypeConverter.Tests.WorkItemExecution	#122170
1219788	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution
1219771	dotnet/runtime	profiler.transitions.WorkItemExecution	#121343
1219748	dotnet/runtime	threading_group2.WorkItemExecution
1219628	dotnet/runtime	System.Xml.Linq.xNodeBuilder.Tests.WorkItemExecution	#121973
1219633	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution
1219595	dotnet/runtime	System.Net.Security.Tests.WorkItemExecution	#121366
1219086	dotnet/runtime	Microsoft.Bcl.Numerics.Tests.WorkItemExecution	#121366
1218999	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.PreloadingTests.WorkItemExecution	#122092
1218552	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1218559	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1217372	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.ConfigSrcTests.WorkItemExecution	#122101
1217838	dotnet/runtime	System.Text.RegularExpressions.Unit.Tests.WorkItemExecution	#121158
1217746	dotnet/runtime	System.Threading.Timer.Tests.WorkItemExecution
1217729	dotnet/runtime	WasmTestOnChrome-ST-System.Text.RegularExpressions.Tests.WorkItemExecution
1217725	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution
1217160	dotnet/runtime	Common.Tests.WorkItemExecution	#122090
1217080	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1216955	dotnet/runtime	WasmTestOnChrome-ST-Microsoft.Extensions.Configuration.Ini.Tests.WorkItemExecution	#121906
1216938	dotnet/runtime	JIT.CodeGenBringUpTests_d.WorkItemExecution	#120688
1216897	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#121973
1216753	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#121862
1216342	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn3.11.Tests.WorkItemExecution	#122070
1216237	dotnet/runtime	Microsoft.Extensions.Configuration.Tests.WorkItemExecution	#121956
1216137	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1216157	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#122068
1216133	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1216040	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.InterpPgoTests.WorkItemExecution
1216020	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#122056
1215929	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#120893
1215822	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.IcuShardingTests.WorkItemExecution	#122056
1215765	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#122023
1215705	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#122059
1215665	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1215643	dotnet/runtime	Common.Tests.WorkItemExecution
1215581	dotnet/runtime	Wasm.Build.Tests.SatelliteAssembliesTests.ResourcesFromMainAssembly	#122056
1215576	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#122054
1215508	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution
1215470	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#122023
1215379	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#122053
1215373	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1215334	dotnet/runtime	Common.Tests.WorkItemExecution
1215368	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1215318	dotnet/runtime	WasmTestOnChrome-ST-Microsoft.Bcl.Memory.Tests.WorkItemExecution	#121906
1215222	dotnet/runtime	NoWorkload-ST-Wasm.Build.Tests.WorkItemExecution	#122051
1215187	dotnet/runtime	System.Xml.Schema.Extensions.Tests.WorkItemExecution
1215158	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#122017
1214938	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.BuildPublishTests.WorkItemExecution	#121956
1214891	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.AppsettingsTests.WorkItemExecution	#120330
1214886	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1214765	dotnet/runtime	System.Transactions.Local.Tests.WorkItemExecution
1214644	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution	#120688
1214439	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#116574
1214687	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#121614
1214477	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#122024
1214280	dotnet/runtime	NoWebcil-ST-Wasm.Build.NativeRebuild.Tests.FlagsChangeRebuildTests.WorkItemExecution	#120330
1214213	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1213930	dotnet/runtime	JIT.Generics.WorkItemExecution	#120330
1213853	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.DebugLevelTests.WorkItemExecution
1213846	dotnet/runtime	System.Reflection.Extensions.Tests.WorkItemExecution	#121917
1213708	dotnet/runtime	System.Xml.Linq.Misc.Tests.WorkItemExecution	#121908
1213719	dotnet/runtime	WasmTestOnChrome-ST-System.Reflection.InvokeInterpreted.Tests.WorkItemExecution	#120589
1213733	dotnet/runtime	IL_Conformance.WorkItemExecution	#120866
1213603	dotnet/runtime	Microsoft.Extensions.DependencyInjection.Tests.WorkItemExecution
1213362	dotnet/runtime	System.ObjectModel.Tests.WorkItemExecution
1213365	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1213242	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#121956
1213192	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#121976
1213173	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Finalization_Http3.IncompleteResponseStream_ResponseDropped_CancelsRequestToServer	#119432
1213105	dotnet/runtime	WasmTestOnFirefox-ST-System.IO.Compression.Tests.WorkItemExecution	#121614
1212269	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1212273	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1212148	dotnet/runtime	GC-simulator.WorkItemExecution	#121817
1211780	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#120640
1211728	dotnet/runtime	WasmTestOnFirefox-ST-System.IO.Compression.ZipFile.Tests.WorkItemExecution	#121938
1211074	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
Displaying 100 of 222 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
10	62	222

[dotnet-policy-service]

Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/runtime-infrastructure
See info in area-owners.md if you want to be subscribed.

[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