Fix 'Outlook File Locked by Another User Permission Denied' Error - BitLocker 504 Gateway Timeout – How to Resolve-BitLocker Timeout Not Applying: Common Fixes

Updated 2026-06-14 23:12:58backup-recovery
Fix 'Outlook File Locked by Another User Permission Denied' Error - BitLocker 504 Gateway Timeout – How to Resolve-BitLocker Timeout Not Applying: Common Fixes
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.