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	Repository	Test	Pull Request
1516360	dotnet/runtime	System.Reflection.CoreCLR.Tests.WorkItemExecution	#131021
1516315	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.SatelliteAssembliesTests.WorkItemExecution	#131020
1516215	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-9.WorkItemExecution	#131015
1511747	dotnet/runtime	System.Runtime.InvariantTimezone.Tests.WorkItemExecution	#130832
1511797	dotnet/runtime	Regression_ro_2.WorkItemExecution	#130837
1516178	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#129935
1516113	dotnet/runtime	Regression_ro_2.WorkItemExecution
1516092	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#131012
1516044	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-19.WorkItemExecution	#130954
1516021	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tests.WorkItemExecution	#129118
1515780	dotnet/runtime	System.Runtime.Serialization.Xml.ReflectionOnly.Tests.WorkItemExecution	#129543
1515663	dotnet/runtime	System.Composition.Runtime.Tests.WorkItemExecution
1515550	dotnet/runtime	Managed.WorkItemExecution
1515518	dotnet/runtime	JIT.CodeGenBringUpTests_d.WorkItemExecution	#130825
1515274	dotnet/runtime	System.Transactions.Local.Tests.WorkItemExecution	#130976
1515271	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--1.WorkItemExecution	#130689
1515240	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-19.WorkItemExecution	#126367
1515059	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution
1515081	dotnet/runtime	WasmTestOnChrome-ST-System.Text.Json.Tests.WorkItemExecution
1514985	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#130974
1514464	dotnet/runtime	Workloads-NoWebcil-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#130862
1514492	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Threading.ThreadPool.Tests.WorkItemExecution	#130794
3024690	dotnet-runtime	Wasm.Build.Tests.BuildPublishTests.BuildThenPublishWithAOT(buildArgs: BuildArgs { ProjectName = placeholder, Config = Release, AOT = True, ProjectFileContents = placeholder, ExtraBuildArgs = }, host: Chrome, id: "h2ptmosy_00f")	#62978
1514192	dotnet/runtime	Microsoft.Extensions.HostFactoryResolver.Tests.WorkItemExecution	#130950
1514166	dotnet/runtime	JIT.CodeGenBringUpTests_do.WorkItemExecution	#130829
1514133	dotnet/runtime	jit64_4.WorkItemExecution	#130946
1514129	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution
1514147	dotnet/runtime	System.IO.FileSystem.Manual.Tests.WorkItemExecution	#130745
1514130	dotnet/runtime	jit64_1.WorkItemExecution	#130928
1514053	dotnet/runtime	Workloads-NoWebcil-ST-Wasm.Build.Tests.MainWithArgsTests.WorkItemExecution	#130943
1513554	dotnet/runtime	System.Security.Cryptography.Xml.Tests.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd_WithExactTransformChainLimit	#130724
1513396	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.Linq.xNodeReader.Tests.WorkItemExecution	#128031
1513305	dotnet/runtime	System.Xml.Linq.Streaming.Tests.WorkItemExecution	#130913
1508917	dotnet/runtime	System.Security.Cryptography.Xml.Tests.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd_WithExactTransformChainLimit	#130724
1512638	dotnet/runtime	System.Threading.Tasks.Tests.AsyncProfilerTests.StateMachineAsync_NestedChildResume_FlattensPerSegment	#130877
1512203	dotnet/runtime	Microsoft.Win32.Primitives.Tests.WorkItemExecution	#129734
1512091	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution	#130755
1512035	dotnet/runtime	Loader/classloader/regressions/InvalidFriendAssemblyName/InvalidFriendAssemblyName/InvalidFriendAssemblyName.dll
1511993	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.MT.Blazor.SimpleMultiThreadedTests.WorkItemExecution	#130853
1511927	dotnet/runtime	System.ComponentModel.TypeConverter.Tests.WorkItemExecution	#130692
1511878	dotnet/runtime	Microsoft.Extensions.Diagnostics.Abstractions.Tests.WorkItemExecution	#130842
1511788	dotnet/runtime	System.Diagnostics.TextWriterTraceListener.Tests.WorkItemExecution	#130816
1511823	dotnet/runtime	LoaderClassloaderRegressions.WorkItemExecution	#130842
1511653	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Reflection.Emit.ILGeneration.Tests.WorkItemExecution	#130366
1511193	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-18.WorkItemExecution	#130817
1511200	dotnet/runtime	Regression_do.WorkItemExecution	#119674
1511278	dotnet/runtime	threading_group1.MergedTestAssembly.7.10.WorkItemExecution	#128799
1510471	dotnet/runtime	Workloads-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#130651
1510359	dotnet/runtime	System.Threading.Thread.Tests.WorkItemExecution	#130782
1510246	dotnet/runtime	normal-System.Runtime.Tests.WorkItemExecution
1509924	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution	#130039
1509625	dotnet/runtime	threading_group2.WorkItemExecution	#130753
1509591	dotnet/runtime	Regression_9.WorkItemExecution	#130723
1509372	dotnet/runtime	Loader/classloader/regressions/InvalidFriendAssemblyName/InvalidFriendAssemblyName/InvalidFriendAssemblyName.dll
1509125	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Net.Http.Unit.Tests.WorkItemExecution	#128498
1508891	dotnet/runtime	System.Xml.Linq.SDMSample.Tests.WorkItemExecution	#130613
1508808	dotnet/runtime	WasmTestOnFirefox-MONO-ST-Microsoft.Extensions.Logging.Testing.Tests.WorkItemExecution	#130720
1508879	dotnet/runtime	System.Net.Sockets.Tests.SocketBlockingModeTransitionTests.ConnectAsync_WithBuffer_Succeeds	#130380
1508531	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Text.Encoding.CodePages.Tests.WorkItemExecution	#129924
1508496	dotnet/runtime	System.Threading.Channels.Tests.WorkItemExecution	#129846
3021955	dotnet-runtime	System.Security.Cryptography.Xml.Tests.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd_WithExactTransformChainLimit	#62894
1508116	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Threading.Tasks.Extensions.Tests.WorkItemExecution	#130665
1507397	dotnet/runtime	System.Text.RegularExpressions.Unit.Tests.WorkItemExecution	#130658
1507416	dotnet/runtime	System.Reflection.Emit.Tests.WorkItemExecution	#129924
1507045	dotnet/runtime	tracing.WorkItemExecution	#130272
1507066	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#130632
1506769	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#130305
1506852	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution
1506651	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.AppSettingsTests.WorkItemExecution	#130611
1506371	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.FileSystem.Primitives.Tests.WorkItemExecution	#130603
1505820	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#130300
1505714	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#130603
1502840	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-9.WorkItemExecution	#130122
1505506	dotnet/runtime	Wasm.Build.Tests.BuildPublishTests.BuildThenPublishWithAOT(buildArgs: BuildArgs { ProjectName = placeholder, Config = Release, AOT = True, ProjectFileContents = placeholder, ExtraBuildArgs = }, host: Chrome, id: "kiomgwwu_tvo")	#130598
1505389	dotnet/runtime	System.Web.HttpUtility.Tests.WorkItemExecution	#129992
1505292	dotnet/runtime	System.Diagnostics.FileVersionInfo.Tests.WorkItemExecution	#128604
1505265	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.NativeRebuild.Tests.ReferenceNewAssemblyRebuildTest.WorkItemExecution	#130589
1505182	dotnet/runtime	WBT-NoWorkload-CLR-ST-Wasm.Build.Tests.PInvokeTableGeneratorTests.WorkItemExecution
1505113	dotnet/runtime	tracing.WorkItemExecution	#130579
1505034	dotnet/runtime	Regression_PdbOnly_ro.WorkItemExecution
1504855	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#130564
1504189	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#130535
1504486	dotnet/runtime	threading_group1.WorkItemExecution	#99200
1504983	dotnet/runtime	tracing.WorkItemExecution	#130481
1504965	dotnet/runtime	System.Composition.TypedParts.Tests.WorkItemExecution	#130566
1504905	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.NativeRebuild.Tests.ReferenceNewAssemblyRebuildTest.WorkItemExecution	#130567
1503815	dotnet/runtime	Regression_o_2.WorkItemExecution	#130509
1504279	dotnet/runtime	tracing.WorkItemExecution	#130506
1504878	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Composition.AttributeModel.Tests.WorkItemExecution	#130565
1504858	dotnet/runtime	System.Xml.Linq.Streaming.Tests.WorkItemExecution	#130558
1504839	dotnet/runtime	System.Security.SecureString.Tests.WorkItemExecution	#130560
1504785	dotnet/runtime	Wasm.Build.NativeRebuild.Tests.FlagsChangeRebuildTests.ExtraEmccFlagsSetButNoRealChange
1504701	dotnet/runtime	threading_group1.WorkItemExecution	#129992
1504668	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution	#130393
1504673	dotnet/runtime	tracing.WorkItemExecution	#130156
1504638	dotnet/runtime	JIT_ro.WorkItemExecution	#130446
1504646	dotnet/runtime	System.Text.Encoding.Extensions.Tests.WorkItemExecution	#130549
1504571	dotnet/runtime	jit64_1.WorkItemExecution	#130408
1503594	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#130503
1504549	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.Linq.Events.Tests.WorkItemExecution	#130478
Displaying 100 of 316 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
9	81	316

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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