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Fix Windows Defender Proxy Error Sync Issue - How to Fix Outlook Access Denied Error 0x80070005-OneDrive Settings Locked? Try These Fixes

Updated 2026-06-15 02:31:52macos-help
Fix Windows Defender Proxy Error Sync Issue - How to Fix Outlook Access Denied Error 0x80070005-OneDrive Settings Locked? Try These Fixes
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.