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Fix Windows Terminal 504 Timeout by Clearing DNS Cache - Fix PowerShell Connection Refused (Port Blocked)-Fix OneDrive Sync Service Unavailable in Office 365

2026-06-14 04:42:58cloud-software
Fix Windows Terminal 504 Timeout by Clearing DNS Cache - Fix PowerShell Connection Refused (Port Blocked)-Fix OneDrive Sync Service Unavailable in Office 365

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.