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Fix Windows Activation 502 Bad Gateway Server Timeout - Fix Windows Defender Error 0x80070643 on macOS-Outlook Exchange Proxy Setup Guide

Updated 2026-06-13 22:49:38office-tools
Fix Windows Activation 502 Bad Gateway Server Timeout - Fix Windows Defender Error 0x80070643 on macOS-Outlook Exchange Proxy Setup Guide
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.