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
1315041	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1314965	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#125024
1314845	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Runtime.Tests.WorkItemExecution	#125021
1314811	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#125022
1314804	dotnet/runtime	JSImportGenerator.Unit.Tests.WorkItemExecution
1314713	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#125017
1314624	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution
1314427	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution	#123819
1314384	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1314296	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Text.RegularExpressions.Tests.WorkItemExecution	#124842
1314199	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#125001
1313594	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution
1313319	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.SimpleRunTests.WorkItemExecution	#124854
1312794	dotnet/runtime	Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithRefReadOnlyParam_Success	#124850
1312618	dotnet/runtime	System.Threading.Overlapped.Tests.WorkItemExecution
1312559	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution
1312491	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#124834
1312265	dotnet/runtime	Common.Tests.WorkItemExecution	#123952
1310945	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1310891	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Net.Http.Functional.Tests.WorkItemExecution	#124886
1310894	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Linq.Parallel.Tests.WorkItemExecution	#123860
1310734	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#124850
1310320	dotnet/runtime	Methodical_d2.WorkItemExecution	#124203
1309161	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1309172	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1309118	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.FilesToIncludeInFileSystemTests.WorkItemExecution	#124791
1309007	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tests.WorkItemExecution
1308404	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.EventPipeDiagnosticsTests.WorkItemExecution	#124791
1308204	dotnet/runtime	GC-scenarios1.WorkItemExecution	#124819
1307843	dotnet/runtime	Regression_PdbOnly_r_2.WorkItemExecution	#124760
1307360	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#124789
1307323	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1307256	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#124588
1307035	dotnet/runtime	Microsoft.Extensions.Configuration.CommandLine.Tests.WorkItemExecution	#124586
1307000	dotnet/runtime	JIT.CodeGenBringUpTests_d.WorkItemExecution	#124738
1305770	dotnet/runtime	System.IO.FileSystem.Primitives.Tests.WorkItemExecution	#124753
1305302	dotnet/runtime	Wasm.Build.Tests.Blazor.WorkloadRequiredTests.DefaultTemplate_WithoutWorkload	#124578
1305236	dotnet/runtime	tracing.WorkItemExecution
1304876	dotnet/runtime	baseservices/exceptions/stackoverflow/stackoverflowtester/stackoverflowtester.cmd
1304767	dotnet/runtime	System.Console.Manual.Tests.WorkItemExecution
1304565	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#123819
1304521	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.DllImportTests.WorkItemExecution	#124725
1304468	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1304476	dotnet/runtime	System.Private.Uri.Functional.Tests.WorkItemExecution
1304391	dotnet/runtime	Common.Tests.WorkItemExecution	#124716
1304013	dotnet/runtime	Regression_PdbOnly_r.WorkItemExecution	#124250
1303921	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
2909463	dotnet-runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tests.WorkItemExecution
1303845	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#124698
1303806	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#124699
1303706	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tests.WorkItemExecution	#124686
1303638	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#123614
1302190	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1301492	dotnet/runtime	WasmTestOnChrome-MONO-ST-Invariant.Tests.WorkItemExecution	#111439
1301110	dotnet/runtime	Regression_ro_1.WorkItemExecution
1300364	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1300102	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#124560
1299691	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#124571
1299321	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.Blazor.NoopNativeRebuildTest.WorkItemExecution	#124374
1299076	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tests.WorkItemExecution	#124560
1298839	dotnet/runtime	WasmTestOnV8-ST-Microsoft.Extensions.Options.Tests.WorkItemExecution	#124553
1298655	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.Compression.Tests.WorkItemExecution	#123145
1298608	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1298373	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.SimpleRunTests.WorkItemExecution	#124538
1298310	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.WorkItemExecution	#124125
1297928	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.FileSystem.Tests.WorkItemExecution	#119432
1297160	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1296818	dotnet/runtime	WasmTestOnFirefox-ST-System.Runtime.Numerics.Tests.WorkItemExecution	#124494
1296686	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.SimpleRunTests.WorkItemExecution	#124268
1296641	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Runtime.Tests.WorkItemExecution	#124482
1296069	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1296007	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#124457
1295959	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#120899
1295655	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.NativeBuildTests.WorkItemExecution	#124125
1295553	dotnet/runtime	Methodical_r2.WorkItemExecution
1295514	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tests.WorkItemExecution	#124326
1295347	dotnet/runtime	IL_Conformance.WorkItemExecution	#124374
1295292	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1295246	dotnet/runtime	Interop.WorkItemExecution
1295159	dotnet/runtime	System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Finalization_Http3.IncompleteResponseStream_ResponseDropped_CancelsRequestToServer	#119432
1294808	dotnet/runtime	LibraryImportGenerator.Tests.WorkItemExecution	#124415
1294753	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#124409
1294700	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1294665	dotnet/runtime	jit64_3.WorkItemExecution
1294647	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.BuildPublishTests.WorkItemExecution	#124125
1294357	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Runtime.InteropServices.Tests.WorkItemExecution	#124408
1293214	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1293015	dotnet/runtime	System.Diagnostics.TextWriterTraceListener.Tests.WorkItemExecution	#123727
1292882	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#124323
1292767	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.BuildPublishTests.WorkItemExecution	#123521
1291128	dotnet/runtime	LibraryImportGenerator.Unit.Tests.WorkItemExecution
1291048	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Threading.Tests.WorkItemExecution	#124303
1290680	dotnet/runtime	System.Globalization.Tests.JapaneseCalendarTests.IsLeapMonth_Invalid_ThrowsArgumentOutOfRangeException
1290347	dotnet/runtime	System.Security.Cryptography.X509Certificates.Tests.X509FilesystemTests.CrlDiskCacheRecovers	#124268
1290048	dotnet/runtime	System.Security.Cryptography.X509Certificates.Tests.X509FilesystemTests.CrlDiskCacheRecovers	#123860
1289928	dotnet/runtime	Microsoft.Extensions.Logging.Generators.Roslyn3.11.Tests.WorkItemExecution	#123377
1289029	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Runtime.Tests.WorkItemExecution	#123894
1288897	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Logging.Testing.Tests.WorkItemExecution	#124254
1288900	dotnet/runtime	WasmTestOnChrome-CLR-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#124225
1288872	dotnet/runtime	Microsoft.Extensions.Options.SourceGeneration.Tests.WorkItemExecution	#124184
Displaying 100 of 184 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
7	40	165

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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