zhizhu
Home / macos-help / Clear DNS Cache for Windows Update Issues - Teams 502 Bad Gateway Troubleshooting Guide-How to Resolve OneDrive Sync Error 0x8004de40

Clear DNS Cache for Windows Update Issues - Teams 502 Bad Gateway Troubleshooting Guide-How to Resolve OneDrive Sync Error 0x8004de40

Updated 2026-06-13 21:27:04macos-help
Clear DNS Cache for Windows Update Issues - Teams 502 Bad Gateway Troubleshooting Guide-How to Resolve OneDrive Sync Error 0x8004de40
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.