## Build Information Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1122693 Build error leg or test failing: System.Security.Cryptography.X509Certificates.Tests.ChainTests.BuildChainForCertificateSignedWithDisallowedKey Pull request: https://github.com/dotnet/runtime/pull/118733 <!-- Error message template --> ## Error Message Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md). <!-- Use ErrorMessage for String.Contains matches. Use ErrorPattern for regex matches (single line/no backtracking). Set BuildRetry to `true` to retry builds with this error. Set ExcludeConsoleLog to `true` to skip helix logs analysis. --> ```json { "ErrorMessage": "Actual: NotSignatureValid | PartialChain", "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false } ``` <!-- Known issue validation start --> ### Known issue validation **Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1122693 **Error message validated:** `[Actual: NotSignatureValid | PartialChain`] **Result validation:** :white_check_mark: Known issue matched with the provided build. **Validation performed at:** 8/15/2025 8:49:13 AM UTC <!-- Known issue validation end -->