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AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy test fails with TimeoutException #136096
Description
System.Net.Security.Tests.TlsSessionTests.AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy(isServer: False, chainPolicyTrustsPeer: null) [FAIL]
System.TimeoutException : The operation has timed out.
Stack Trace:
/_/src/libraries/Common/tests/System/Threading/Tasks/TaskTimeoutExtensions.cs(54,0): at System.Threading.Tasks.TaskTimeoutExtensions.WhenAllOrAnyFailed(Task[] tasks, Int32 millisecondsTimeout)
/_/src/libraries/System.Net.Security/tests/FunctionalTests/TestConfiguration.cs(36,0): at System.Net.Security.Tests.TestConfiguration.WhenAllOrAnyFailedWithTimeout(Task[] tasks)
/_/src/libraries/System.Net.Security/tests/FunctionalTests/TlsSessionTests.cs(1904,0): at System.Net.Security.Tests.TlsSessionTests.AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy(Boolean isServer, Nullable`1 chainPolicyTrustsPeer)
--- End of stack trace from previous location ---
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1640524
Build error leg or test failing: System.Net.Security.Tests.TlsSessionTests.AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy
Pull request: #125304
Error Message
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Fill the error message using step by step known issues guidance.
{
"ErrorMessage": "",
"ErrorPattern": ["AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy.*FAIL","TimeoutException"],
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1640524
Error message validated: [AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPolicy.*FAIL TimeoutException]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 10/19/2026 5:48:26 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 78 | 91 | 91 |
Activity
dotnet-policy-service commentedon Oct 19, 2026
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Fix AcceptWithDefaultValidation_CertificateContextTrust_HonorsChainPo…