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
1276197	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.Blazor.AssetCachingTests.WorkItemExecution	#123883
1276093	dotnet/runtime	System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution
1276050	dotnet/runtime	JIT.Generics.WorkItemExecution	#123726
1275750	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123865
1275685	dotnet/runtime	GC/LargeMemory/Allocation/finalizertest/finalizertest.cmd
1275628	dotnet/runtime	System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution	#123845
1275548	dotnet/runtime	System.Text.Json.Tests.WorkItemExecution	#123855
1275452	dotnet/runtime	MetricOuterLoop1.Tests.WorkItemExecution	#123726
1275460	dotnet/runtime	WasmTestOnChrome-ST-System.Threading.Tests.WorkItemExecution	#123629
1275427	dotnet/runtime	System.Net.Primitives.Functional.Tests.WorkItemExecution	#123855
1275385	dotnet/runtime	Microsoft.Extensions.Primitives.Tests.WorkItemExecution	#123433
1275404	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123854
1275369	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1275306	dotnet/runtime	WasmTestOnChrome-ST-System.Threading.Tests.WorkItemExecution	#123846
1275147	dotnet/runtime	System.Linq.Tests.WorkItemExecution	#123845
1275093	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#122556
1274986	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution
1274952	dotnet/runtime	JSImportGenerator.Unit.Tests.WorkItemExecution	#123838
1274848	dotnet/runtime	Microsoft.Extensions.Configuration.EnvironmentVariables.Tests.WorkItemExecution	#123836
1274763	dotnet/runtime	Microsoft.Extensions.Hosting.Unit.Tests.WorkItemExecution
1274796	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
2892169	dotnet-runtime	WasmTestOnChrome-ST-System.Threading.Tasks.Tests.WorkItemExecution
1274767	dotnet/runtime	WasmTestOnChrome-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#123601
1274731	dotnet/runtime	WasmTestOnChrome-ST-System.Net.Http.Functional.Tests.WorkItemExecution	#123832
1274463	dotnet/runtime	Common.Tests.WorkItemExecution	#123734
1274340	dotnet/runtime	IntrinsicsInSystemPrivateCoreLib.Tests.WorkItemExecution	#123825
1273773	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123342
1273581	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#123033
1273418	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1273379	dotnet/runtime	System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution	#123791
1273416	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1273021	dotnet/runtime	WasmTestOnChrome-ST-System.Threading.Tests.WorkItemExecution	#123753
1273006	dotnet/runtime	WasmTestOnChrome-ST-System.Net.Http.Functional.Tests.WorkItemExecution	#123656
1272941	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#123508
1271874	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1271359	dotnet/runtime	WasmTestOnChrome-ST-System.Threading.Tests.WorkItemExecution	#123739
1271402	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#123740
1270869	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.IcuShardingTests.WorkItemExecution	#123509
1270776	dotnet/runtime	System.Data.DataSetExtensions.Tests.WorkItemExecution	#123721
1270273	dotnet/runtime	Workloads-NoWebcil-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#123538
1270214	dotnet/runtime	WasmTestOnChrome-ST-MetricOuterLoop1.Tests.WorkItemExecution	#123704
1265300	dotnet/runtime	Common.Tests.WorkItemExecution	#123569
2886469	dotnet-runtime	System.Diagnostics.StackTrace.Tests.WorkItemExecution
1265151	dotnet/runtime	System.Net.NameResolution.Pal.Tests.WorkItemExecution	#123041
1265144	dotnet/runtime	Microsoft.CSharp.Tests.WorkItemExecution	#122947
1265003	dotnet/runtime	Directed_1.MergedTestAssembly.0.1.WorkItemExecution	#123248
1264634	dotnet/runtime	IntrinsicsInSystemPrivateCoreLib.Tests.WorkItemExecution	#123522
1264543	dotnet/runtime	threading_group1.MergedTestAssembly.6.10.WorkItemExecution	#123546
1264379	dotnet/runtime	WasmTestOnChrome-ST-System.Threading.Tasks.Tests.WorkItemExecution	#120336
1264356	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1264068	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#123526
1263711	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123265
1263219	dotnet/runtime	System.Globalization.Tests.JapaneseCalendarTests.IsLeapMonth_Invalid_ThrowsArgumentOutOfRangeException	#122373
1262822	dotnet/runtime	System.Security.Cryptography.ProtectedData.Tests.WorkItemExecution	#123489
1262677	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1262591	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.Blazor.EventPipeDiagnosticsTests.WorkItemExecution	#123481
1261710	dotnet/runtime	IntrinsicsInSystemPrivateCoreLib.Tests.WorkItemExecution
1261230	dotnet/runtime	NoWorkload-ST-Wasm.Build.Tests.WorkItemExecution	#123436
1261293	dotnet/runtime	WasmTestOnChrome-ST-System.Text.Json.Tests.WorkItemExecution
1261290	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution
1260834	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1260653	dotnet/runtime	System.Xml.Linq.Misc.Tests.WorkItemExecution	#123409
1260566	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#123417
1260438	dotnet/runtime	Workloads-NoWebcil-ST-Wasm.Build.Tests.BuildPublishTests.WorkItemExecution	#121429
1260114	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#122371
1260142	dotnet/runtime	Microsoft.Extensions.Configuration.Functional.Tests.WorkItemExecution	#123408
1259823	dotnet/runtime	System.Tests.ConvertTests.TryFromBase64Chars	#123044
1259759	dotnet/runtime	WasmTestOnFirefox-ST-System.Threading.Tasks.Tests.WorkItemExecution	#123329
1259319	dotnet/runtime	System.Xml.Linq.SDMSample.Tests.WorkItemExecution	#123142
1259223	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#123191
1259215	dotnet/runtime	Methodical_ro.WorkItemExecution
1259040	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1259033	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1258858	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Extensions.Tests.WorkItemExecution	#122828
1258749	dotnet/runtime	JIT_r.WorkItemExecution	#123233
1258392	dotnet/runtime	System.ServiceModel.Syndication.Tests.WorkItemExecution	#123304
1258069	dotnet/runtime	System.Security.Cryptography.ProtectedData.Tests.WorkItemExecution
1257878	dotnet/runtime	JIT_r.WorkItemExecution
1257837	dotnet/runtime	threading_group2.MergedTestAssembly.0.1.WorkItemExecution	#123248
1257674	dotnet/runtime	ComInterfaceGenerator.Tests.WorkItemExecution	#105403
1257665	dotnet/runtime	Regression_5.WorkItemExecution
1257607	dotnet/runtime	System.Runtime.Numerics.Tests.WorkItemExecution	#123335
1257534	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123329
1257523	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Tests.WorkItemExecution	#123328
1257476	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.InterpPgoTests.WorkItemExecution	#105403
1257408	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.InvariantTimezoneTests.WorkItemExecution	#121412
1257364	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1257322	dotnet/runtime	IcuAppLocal.Tests.WorkItemExecution
1257267	dotnet/runtime	NoWebcil-ST-Wasm.Build.NativeRebuild.Tests.OptimizationFlagChangeTests.WorkItemExecution	#123299
1257226	dotnet/runtime	System.IO.FileSystem.Tests.WorkItemExecution	#123290
1257234	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.PInvokeTableGeneratorTests.WorkItemExecution	#121412
1257139	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#123314
1257081	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#123315
1256904	dotnet/runtime	NoWebcil-ST-Wasm.Build.Tests.Blazor.SimpleRunTests.WorkItemExecution	#123304
1256850	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1256788	dotnet/runtime	MetricOuterLoop.Tests.WorkItemExecution	#119432
1256766	dotnet/runtime	WasmTestOnChrome-ST-System.Runtime.Intrinsics.Tests.WorkItemExecution	#123288
1256720	dotnet/runtime	Wasm.Build.Tests.FilesToIncludeInFileSystemTests.LoadFilesToVfs	#123299
1256592	dotnet/runtime	WasmTestOnChrome-ST-Microsoft.Extensions.Logging.Tests.WorkItemExecution	#123109
2881206	dotnet-runtime	System.ComponentModel.Composition.Tests.WorkItemExecution
Displaying 100 of 175 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
7	41	175

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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