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Fix Microsoft Teams Error Code cxa20001 - Remote Desktop Credentials Expired Windows 10 Solution-Outlook SMTP Authentication Failure Troubleshooting

Updated 2026-06-14 04:38:59developer-tools
Fix Microsoft Teams Error Code cxa20001 - Remote Desktop Credentials Expired Windows 10 Solution-Outlook SMTP Authentication Failure Troubleshooting
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.