Issues

• Build Analysis: KBE filed from a PR build is never applied to that PR's check (validation suppresses reprocessing; refresh serves cached analysis)

  dotnet/dnceng#6742 · Filter by author lewing opened on Oct 1, 2026

• dotnet-helix-machines image VS2022 & VS2026 update - Week of 09/30/2026

  Ops - Service Maintenance
  dotnet/dnceng#6735 · Filter by author v-ctiean opened on Sep 23, 2026
  

• [dnceng-bot] Branch winforms-datavisualization/main can't be mirrored to Azdo fast forward branch

  dotnet/dnceng#6732 · Filter by author dotnet-mirroring opened on Sep 20, 2026

• Base images regular update - Week of 09/09/2026

  Ops - Service Maintenance
  dotnet/dnceng#6715 · Filter by author v-ctiean opened on Sep 2, 2026
  

• CI failure in dotnet/runtime because of rate limiting in a devops NuGet feed

  First ResponderKnown Build Error
  dotnet/dnceng#6615 · Filter by author svick opened on Jun 12, 2026

• Assertion failed: new_time >= loop->time in Component Governance Detection

  First ResponderKnown Build Error
  dotnet/dnceng#6510 · Filter by author svick opened on Apr 17, 2026

• iOS tests failing with OSError: [Errno 28] No space left on device

  First ResponderKnown Build Error
  dotnet/dnceng#6473 · Filter by author MihaZupan opened on Mar 16, 2026
  1

• Known Test Repository Issue Sometimes Misses Test Failures

  First ResponderKnown Build Error
  dotnet/dnceng#6411 · Filter by author nagilson opened on Nov 6, 2025
  1

• arcade/src/Microsoft.DotNet.Arcade.Sdk/src/DownloadFile.cs:line 184 TimeoutException: The operation was canceled.

  First ResponderKnown Build Error
  dotnet/dnceng#6074 · Filter by author lewing opened on Aug 21, 2025

• Sometimes the helix SDK uses GetWorkItemsAsync when workitems aren't done processing.

  Detected By - CustomerFirst ResponderKnown Build Error
  dotnet/dnceng#6011 · Filter by author hoyosjs opened on Jul 21, 2025
  1

• Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.

  First ResponderKnown Build Error
  dotnet/dnceng#5922 · Filter by author premun opened on Jun 23, 2025
  1

• Infra timeout causing "Unable to obtain kernel buffer"

  First ResponderKnown Build Error
  dotnet/dnceng#4547 · Filter by author steveharter opened on Nov 26, 2024

• Unable to checkout

  First ResponderKnown Build Error
  dotnet/dnceng#4115 · Filter by author lewing opened on Sep 18, 2024
  5

• The Operation will be canceled. The next steps may not contain expected logs.

  First ResponderKnown Build Error
  dotnet/dnceng#3008 · Filter by author tarekgh opened on Jun 4, 2024
  11

• Error reported in diagnostic logs. Please examine the log for more details

  First ResponderKnown Build Error
  dotnet/dnceng#1928 · Filter by author jeffschwMSFT opened on Feb 1, 2024
  11

  

• File upload failed even after retry

  First ResponderKnown Build Error
  dotnet/dnceng#1916 · Filter by author jeffschwMSFT opened on Jan 30, 2024
  5

• ##[error]Process 'OneLocBuildClient.exe' exited with code '1'

  First ResponderKnown Build Error
  dotnet/dnceng#1908 · Filter by author jeffschwMSFT opened on Jan 29, 2024
  1

• "We stopped hearing from agent Azure Pipelines 32. Verify the agent machine is running and has a healthy network connection"

  First ResponderKnown Build Error
  dotnet/dnceng#1886 · Filter by author jeffschwMSFT opened on Jan 24, 2024
  5

• slow macOS - "##[error]The job running on agent Azure Pipelines 9 ran longer than the maximum time of 60 minutes."

  First ResponderKnown Build Error
  dotnet/dnceng#1883 · Filter by author jeffschwMSFT opened on Jan 24, 2024
  11