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PowerShell Connection Refused: Troubleshooting Checklist - Resolve Windows Defender Proxy Error: Quick Fixes-How to Fix Outlook Cannot Connect to Server

Updated 2026-06-14 21:08:24developer-tools
PowerShell Connection Refused: Troubleshooting Checklist - Resolve Windows Defender Proxy Error: Quick Fixes-How to Fix Outlook Cannot Connect to Server
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.