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
1529084	dotnet/runtime	System.Runtime.Serialization.Schema.Tests.WorkItemExecution	#130159
1528905	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.LazyLoadingTests.WorkItemExecution	#131441
1528932	dotnet/runtime	jit64_5.WorkItemExecution	#131442
1528496	dotnet/runtime	System.Data.DataSetExtensions.Tests.WorkItemExecution	#131428
1528216	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.ComponentModel.Tests.WorkItemExecution	#126093
1527700	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Templates.Tests.NativeBuildTests.WorkItemExecution
1526824	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#131380
1527449	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Net.Primitives.UnitTests.Tests.WorkItemExecution	#129683
1527439	dotnet/runtime	Regression_PdbOnly_r_2.WorkItemExecution
1527402	dotnet/runtime	Exceptions.WorkItemExecution	#131402
1527378	dotnet/runtime	JIT_do.WorkItemExecution	#131400
1527354	dotnet/runtime	System.Diagnostics.Tracing.Tests.WorkItemExecution	#131358
1527343	dotnet/runtime	WasmTestOnWasmtime-CLR-ST-System.Runtime.Tests.WorkItemExecution	#131375
1527329	dotnet/runtime	WasmTestOnWasmtime-CLR-ST-System.Runtime.Tests.WorkItemExecution	#131398
1527236	dotnet/runtime	System.Runtime.Caching.Tests.WorkItemExecution	#131351
1527223	dotnet/runtime	Microsoft.Extensions.DependencyInjection.Tests.WorkItemExecution	#131383
1527094	dotnet/runtime	LoaderClassloaderRegressions.WorkItemExecution	#121896
1527073	dotnet/runtime	JIT.opt.WorkItemExecution	#131375
1527028	dotnet/runtime	WasmTestOnWasmtime-CLR-ST-System.Runtime.Tests.WorkItemExecution	#131189
1526962	dotnet/runtime	CdacDumpTests.WorkItemExecution	#131365
1526702	dotnet/runtime	System.Resources.Extensions.Tests.WorkItemExecution	#131345
1526671	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.FileExtensions.Tests.WorkItemExecution	#131167
1526599	dotnet/runtime	System.IO.MemoryMappedFiles.Tests.WorkItemExecution	#118075
1526584	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.MainWithArgsTests.WorkItemExecution	#130512
1526413	dotnet/runtime	tracing.WorkItemExecution
1526397	dotnet/runtime	readytorun_coreroot_determinism.WorkItemExecution	#131110
1526394	dotnet/runtime	CdacDumpTests.WorkItemExecution	#131366
1526351	dotnet/runtime	System.Xml.Linq.xNodeReader.Tests.WorkItemExecution	#131008
1526307	dotnet/runtime	ComInterfaceGenerator.Unit.Tests.WorkItemExecution	#130373
1525447	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#131165
1525252	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn4.4.Tests.WorkItemExecution	#130834
1525283	dotnet/runtime	reflection.WorkItemExecution	#130436
1525137	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.MemoryTests.WorkItemExecution	#131308
1524832	dotnet/runtime	threading_group1.MergedTestAssembly.8.10.WorkItemExecution	#131309
1524592	dotnet/runtime	System.Runtime.Serialization.Xml.ReflectionOnly.Tests.WorkItemExecution	#131303
1524417	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-9.WorkItemExecution	#131265
1524270	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-4.WorkItemExecution	#130525
1524188	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Threading.Overlapped.Tests.WorkItemExecution	#131281
1523877	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.SatelliteLoadingTests.WorkItemExecution	#131245
1523876	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.MainWithArgsTests.WorkItemExecution	#131024
1523841	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-12.WorkItemExecution	#131242
1523320	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.IcuTests.WorkItemExecution
1523385	dotnet/runtime	Regression_10.WorkItemExecution	#131260
1522976	dotnet/runtime	System.Runtime.InvariantTimezone.Tests.WorkItemExecution	#131250
1522860	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#131241
1522836	dotnet/runtime	System.Transactions.Local.Tests.WorkItemExecution
1522784	dotnet/runtime	Wasm.Build.Tests.BuildPublishTests.BuildThenPublishWithAOT(buildArgs: BuildArgs { ProjectName = placeholder, Config = Release, AOT = True, ProjectFileContents = placeholder, ExtraBuildArgs = }, host: Chrome, id: "mkp4zhoe_neo")	#130943
1522748	dotnet/runtime	Loader.WorkItemExecution	#131233
1522294	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--1.WorkItemExecution	#131235
1521971	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Net.Http.Functional.Tests.WorkItemExecution	#130007
1521943	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Threading.Tasks.Tests.WorkItemExecution	#131212
1521013	dotnet/runtime	System.Collections.Specialized.Tests.WorkItemExecution	#131183
1520975	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Configuration.Tests.WorkItemExecution	#129734
1520962	dotnet/runtime	Microsoft.Extensions.Hosting.Unit.Tests.WorkItemExecution	#131068
1520954	dotnet/runtime	System.Threading.RateLimiting.Tests.WorkItemExecution	#126968
1520777	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution
1520736	dotnet/runtime	threading_group1.WorkItemExecution
1520415	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-13.WorkItemExecution	#131171
1520189	dotnet/runtime	Methodical_r2.WorkItemExecution	#131166
1519962	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.InvariantTimezone.Tests.WorkItemExecution	#131160
1519574	dotnet/runtime	System.Collections.Tests.WorkItemExecution	#130824
1519390	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.WorkloadTests.WorkItemExecution	#131041
1519154	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-17.WorkItemExecution	#131134
1519179	dotnet/runtime	Microsoft.Extensions.Logging.Tests.WorkItemExecution	#131132
1519130	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Linq.Parallel.Tests.WorkItemExecution	#131049
1518978	dotnet/runtime	System.Threading.Tests.WorkItemExecution	#124721
1519105	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Runtime.Tests.WorkItemExecution	#130512
1519034	dotnet/runtime	System.Runtime.Caching.Tests.WorkItemExecution
1518478	dotnet/runtime	System.Runtime.CompilerServices.VisualC.Tests.WorkItemExecution	#116166
1518105	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.Linq.Misc.Tests.WorkItemExecution	#131089
1517640	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-5.WorkItemExecution	#124559
1517636	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-0.WorkItemExecution	#131002
1517663	dotnet/runtime	Regression_PdbOnly_r.WorkItemExecution	#130970
1517691	dotnet/runtime	threading_group1.MergedTestAssembly.7.10.WorkItemExecution	#131069
1517578	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Options.Tests.WorkItemExecution	#131048
1517598	dotnet/runtime	WasmTestOnChrome-MONO-ST-Microsoft.Extensions.Options.SourceGeneration.Unit.Tests.WorkItemExecution	#130977
1516995	dotnet/runtime	System.Reflection.InvokeEmit.Tests.WorkItemExecution
1517280	dotnet/runtime	Microsoft.Extensions.Configuration.Binder.SourceGeneration.Tests.WorkItemExecution	#131062
1517003	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.DebugLevelTests.WorkItemExecution	#131055
1516926	dotnet/runtime	WasmTestOnChrome-ST-System.Text.RegularExpressions.Tests.WorkItemExecution
1516834	dotnet/runtime	System.Security.Cryptography.Pkcs.Tests.WorkItemExecution	#131045
1516806	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Reflection.Metadata.Tests.WorkItemExecution	#131030
1516689	dotnet/runtime	System.Collections.NonGeneric.Tests.WorkItemExecution	#130761
1516680	dotnet/runtime	System.Xml.Schema.Extensions.Tests.WorkItemExecution	#131040
1516645	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.IO.Compression.ZipFile.Tests.WorkItemExecution	#129118
1516594	dotnet/runtime	System.Runtime.Caching.Tests.WorkItemExecution	#131033
1516568	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-7.WorkItemExecution	#126187
1516540	dotnet/runtime	Regression_o_1.WorkItemExecution
1516496	dotnet/runtime	System.Net.NameResolution.Pal.Tests.WorkItemExecution	#131019
1516486	dotnet/runtime	jit64_4.WorkItemExecution	#130928
1516459	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tests.WorkItemExecution	#131017
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
Displaying 100 of 326 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
8	68	326

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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