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Fix Task Scheduler Cannot Connect to Server Error - Windows Defender Proxy Error Troubleshooting-How to Resolve Task Scheduler DNS Errors

Updated 2026-06-18 12:23:58cloud-software
Fix Task Scheduler Cannot Connect to Server Error - Windows Defender Proxy Error Troubleshooting-How to Resolve Task Scheduler DNS Errors
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.