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Fix PostgreSQL Connection Refused Due to Firewall - Task Scheduler DNS Failure Troubleshooting-Teams Update Causing SSL Certificate Error? Try These Fixes

Updated 2026-06-14 07:22:14developer-tools
Fix PostgreSQL Connection Refused Due to Firewall - Task Scheduler DNS Failure Troubleshooting-Teams Update Causing SSL Certificate Error? 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.