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
1428670	dotnet/runtime	MetricOuterLoop1.Tests.WorkItemExecution	#128162
1428227	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-19.WorkItemExecution
1427810	dotnet/runtime	Microsoft.Bcl.Memory.Tests.WorkItemExecution	#128252
1427025	dotnet/runtime	System.Threading.Overlapped.Tests.WorkItemExecution	#125437
2978848	dotnet-runtime	System.Xml.Xsl.XslTransformApi.Tests.WorkItemExecution	#61199
1426420	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1426101	dotnet/runtime	Exceptions.MergedTestAssembly.0.1.WorkItemExecution	#128351
1426047	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.InteropServices.JavaScript.Tests.WorkItemExecution	#127475
2977907	dotnet-runtime	System.IO.Compression.ZipFile.Tests.WorkItemExecution	#61199
1424920	dotnet/runtime	System.Security.Cryptography.Csp.Tests.WorkItemExecution	#128068
1424802	dotnet/runtime	System.Reflection.TypeExtensions.Tests.WorkItemExecution	#128326
1424824	dotnet/runtime	JSImportGenerator.Unit.Tests.WorkItemExecution	#128327
1424748	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#125024
1424743	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--2.WorkItemExecution	#128325
1424763	dotnet/runtime	System.Text.Json.SourceGeneration.Roslyn3.11.Tests.WorkItemExecution	#128261
1424645	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Runtime.Serialization.Xml.Tests.WorkItemExecution	#128252
1424664	dotnet/runtime	baseservices-exceptions.WorkItemExecution	#128323
1424544	dotnet/runtime	System.Runtime.Tests.WorkItemExecution
1424427	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--2.WorkItemExecution	#126646
1424457	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.Blazor.MiscTests.WorkItemExecution	#127749
1424409	dotnet/runtime	readytorun.WorkItemExecution
1424333	dotnet/runtime	Regression_NoOptimize_d.WorkItemExecution	#128250
1424289	dotnet/runtime	System.Globalization.Calendars.Tests.WorkItemExecution	#128068
1424138	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-19.WorkItemExecution	#127133
1421963	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Threading.Tests.WorkItemExecution	#127838
1423971	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-4.WorkItemExecution	#128304
1424035	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#128309
1423955	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#128306
1423886	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-16.WorkItemExecution	#128296
1423443	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--2.WorkItemExecution	#128271
1422469	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#127970
1423811	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Private.Xml.Tests.WorkItemExecution	#128300
1423776	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Net.WebSockets.Client.Tests.WorkItemExecution	#128200
1423729	dotnet/runtime	Regression_ro_1.WorkItemExecution	#127958
1423687	dotnet/runtime	JIT.CodeGenBringUpTests_do.WorkItemExecution
1423673	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution
1423646	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-7.WorkItemExecution	#128295
1423654	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.Linq.TreeManipulation.Tests.WorkItemExecution	#128279
1423640	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-6.WorkItemExecution	#128294
1423634	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-16.WorkItemExecution	#122056
1423554	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.IcuShardingTests2.WorkItemExecution	#127989
1423529	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#128238
1423425	dotnet/runtime	tracing.WorkItemExecution	#128238
1423506	dotnet/runtime	baseservices-exceptions.WorkItemExecution
1423465	dotnet/runtime	Regression_o_3.WorkItemExecution
1423412	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#127915
1423407	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-17.WorkItemExecution	#128200
1423392	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-17.WorkItemExecution	#128247
1423376	dotnet/runtime	System.Web.HttpUtility.Tests.WorkItemExecution	#124721
1423288	dotnet/runtime	Microsoft.Extensions.DependencyInjection.ExternalContainers.Tests.WorkItemExecution	#128284
1423195	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#128274
1423184	dotnet/runtime	Methodical_others.WorkItemExecution
1423142	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-9.WorkItemExecution	#124721
1423107	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-4.WorkItemExecution	#128281
1423137	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Runtime.Tests.WorkItemExecution	#128054
1423081	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#128241
1423064	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#127596
1423097	dotnet/runtime	Microsoft.Extensions.Configuration.Json.Tests.WorkItemExecution	#128279
1423046	dotnet/runtime	Regression_PdbOnly_ro.WorkItemExecution	#128278
1422854	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-9.WorkItemExecution	#128271
1422978	dotnet/runtime	System.Linq.Tests.WorkItemExecution	#125596
1422787	dotnet/runtime	WasmTestOnV8-CLR-ST-System.Runtime.Tests.WorkItemExecution	#128268
1422528	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#126947
1422470	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch-8.WorkItemExecution	#128238
1422235	dotnet/runtime	System.Threading.Tasks.Extensions.Tests.WorkItemExecution	#127894
1422398	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Resources.Writer.Tests.WorkItemExecution	#125024
1422677	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#127536
1422445	dotnet/runtime	WasmTestOnFirefox-CLR-ST-System.Runtime.Tests.WorkItemExecution	#128116
1422167	dotnet/runtime	System.Runtime.Serialization.Schema.Tests.WorkItemExecution	#128162
1422246	dotnet/runtime	System.Threading.RateLimiting.Tests.WorkItemExecution	#127281
1422173	dotnet/runtime	System.Tests.ActivatorTests.TestingCreateInstanceFromObjectHandle	#122607
1420728	dotnet/runtime	Wasm.Build.Tests.WasmNativeDefaultsTests.DefaultsWithPublish	#127749
1420674	dotnet/runtime	Workloads-ST-Wasm.Build.Tests.WasmSIMDTests.WorkItemExecution	#128197
1420074	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.Security.Claims.Tests.WorkItemExecution	#127228
1420092	dotnet/runtime	jit64_3.WorkItemExecution	#125311
1420047	dotnet/runtime	MetricOuterLoop.Tests.WorkItemExecution
1419952	dotnet/runtime	WBT-Workloads-MONO-ST-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution	#128176
1419907	dotnet/runtime	Microsoft.Extensions.Configuration.UserSecrets.Tests.WorkItemExecution	#125596
1419784	dotnet/runtime	NoWorkload-ST-Wasm.Build.Tests.WorkItemExecution
1419771	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.InvariantGlobalizationTests.WorkItemExecution	#128169
1419683	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Composition.Convention.Tests.WorkItemExecution	#128039
1419461	dotnet/runtime	Regression_3.WorkItemExecution
1419215	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution
1418849	dotnet/runtime	System.Xml.XmlSerializer.ReflectionOnly.Tests.WorkItemExecution
1418732	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Xml.Linq.Axes.Tests.WorkItemExecution	#127281
1418724	dotnet/runtime	jit64_4.WorkItemExecution
1418642	dotnet/runtime	WasmTestOnChrome-CLR-ST-Batch--1.WorkItemExecution	#128127
1418576	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.Runtime.Serialization.Json.Tests.WorkItemExecution	#128123
1418533	dotnet/runtime	System.Runtime.InteropServices.RuntimeInformation.Tests.WorkItemExecution
1418506	dotnet/runtime	System.Runtime.Serialization.Schema.Tests.WorkItemExecution	#127762
1418357	dotnet/runtime	profiler.transitions.WorkItemExecution
1418360	dotnet/runtime	WBT-NoWebcil-MONO-ST-Wasm.Build.Tests.InvariantTimezoneTests.WorkItemExecution	#128116
1418359	dotnet/runtime	System.Threading.Tasks.Parallel.Tests.WorkItemExecution
1418335	dotnet/runtime	System.IO.FileSystem.DisabledFileLocking.Tests.WorkItemExecution	#128010
1418174	dotnet/runtime	System.Xml.Linq.xNodeBuilder.Tests.WorkItemExecution
1418063	dotnet/runtime	System.Runtime.Serialization.Xml.ReflectionOnly.Tests.WorkItemExecution	#128104
1418041	dotnet/runtime	System.Xml.Linq.Misc.Tests.WorkItemExecution	#127778
1418065	dotnet/runtime	jit64_5.WorkItemExecution	#128105
1417975	dotnet/runtime	WasmTestOnFirefox-MONO-ST-System.IO.FileSystem.Tests.WorkItemExecution	#126782
1417872	dotnet/runtime	WasmTestOnChrome-MONO-ST-System.ComponentModel.Tests.WorkItemExecution	#127770
Displaying 100 of 378 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
2	73	378

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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