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Fix OneDrive Sync Connection Refused on Windows 11 - 502 Bad Gateway Windows Security Checklist-Remote Desktop 0x204 Fix: Post-Update Troubleshooting

Updated 2026-06-14 04:03:49cloud-software
Fix OneDrive Sync Connection Refused on Windows 11 - 502 Bad Gateway Windows Security Checklist-Remote Desktop 0x204 Fix: Post-Update Troubleshooting
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.