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Outlook Sync Issues After Setup: Practical Fixes - Troubleshoot 504 Gateway Timeout in PowerShell on Server-Windows Defender Service Stuck Loading – How to Fix

Updated 2026-06-14 00:01:30browser-issues
Outlook Sync Issues After Setup: Practical Fixes - Troubleshoot 504 Gateway Timeout in PowerShell on Server-Windows Defender Service Stuck Loading – How to Fix
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.