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
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
1211077	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1210721	dotnet/runtime	Invariant.Tests.WorkItemExecution
1210680	dotnet/runtime	System.Runtime.InvariantTimezone.Tests.WorkItemExecution	#119432
1210651	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1210643	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1210623	dotnet/runtime	LibraryImportGenerator.Tests.WorkItemExecution
1210610	dotnet/runtime	Directed_3.WorkItemExecution
1210596	dotnet/runtime	jit64_3.WorkItemExecution	#121864
1210500	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution
1210470	dotnet/runtime	Microsoft.Bcl.TimeProvider.Tests.WorkItemExecution	#121728
1210435	dotnet/runtime	LibraryImportGenerator.Tests.WorkItemExecution	#121896
1210343	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1210351	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1210087	dotnet/runtime	WasmTestOnChrome-ST-Microsoft.Bcl.Numerics.Tests.WorkItemExecution
1210095	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.InvariantTimezoneTests.WorkItemExecution	#121643
1209958	dotnet/runtime	WasmTestOnChrome-ST-System.Text.Json.Tests.WorkItemExecution
1209955	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution
1209817	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.DllImportTests.WorkItemExecution	#119575
1209640	dotnet/runtime	NoWorkload-NoWebcil-ST-Wasm.Build.Tests.WorkItemExecution	#121388
1209572	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1209482	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#121857
1209160	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution
1208593	dotnet/runtime	async.WorkItemExecution	#121743
1207523	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.WorkloadTests.WorkItemExecution	#121789
1208490	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution
1208395	dotnet/runtime	JIT.CodeGenBringUpTests_do.WorkItemExecution	#121584
1208346	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution
1208284	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#121776
1207549	dotnet/runtime	System.ComponentModel.EventBasedAsync.Tests.WorkItemExecution	#119575
1207462	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1207407	dotnet/runtime	tracing.WorkItemExecution	#121706
1207465	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1207238	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#100729
1207241	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#121776
1207044	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#121603
1206901	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#121646
1206491	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#114521
1206471	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#121456
1206423	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1206408	dotnet/runtime	System.Diagnostics.TraceSource.Tests.WorkItemExecution
1206237	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#121316
1205994	dotnet/runtime	System.Diagnostics.TextWriterTraceListener.Tests.WorkItemExecution
1205724	dotnet/runtime	MetricOuterLoop.Tests.WorkItemExecution	#121643
1205345	dotnet/runtime	IntrinsicsInSystemPrivateCoreLib.Tests.WorkItemExecution	#121496
1205269	dotnet/runtime	baseservices-exceptions.WorkItemExecution	#121687
1205140	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution	#120893
1205033	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.NativeLibraryTests.WorkItemExecution	#121217
1205006	dotnet/runtime	_Sve2_r::JIT.HardwareIntrinsics.Arm._Sve2.Program.Sve2_ShiftArithmeticSaturate_int()
1205012	dotnet/runtime	jit64_3.WorkItemExecution	#121687
1204838	dotnet/runtime	Directed_1.WorkItemExecution
1204685	dotnet/runtime	System.Net.Http.Functional.Tests.HttpClientHandlerTest_Http3.Public_Interop_ExactVersion_BufferContent_Success
1204650	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#121681
1204597	dotnet/runtime	JIT.CodeGenBringUpTests_r.WorkItemExecution	#121614
1204573	dotnet/runtime	_Sve2_r::JIT.HardwareIntrinsics.Arm._Sve2.Program.Sve2_ShiftArithmeticSaturate_int()
1204583	dotnet/runtime	chrome-DebuggerTests.GetPropertiesTests.WorkItemExecution	#121676
1204581	dotnet/runtime	NoWorkload-Wasi.Build.Tests.WorkItemExecution	#121675
1204570	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#121674
1204496	dotnet/runtime	jit64_5.0.1.WorkItemExecution
1204469	dotnet/runtime	Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations
1204337	dotnet/runtime	System.Composition.TypedParts.Tests.WorkItemExecution
1204290	dotnet/runtime	JIT.CodeGenBringUpTests_ro.WorkItemExecution
Displaying 100 of 224 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
9	47	224

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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