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PowerShell DNS Server Troubleshooting Checklist - Fix 502 Bad Gateway in PowerShell Invoke-WebRequest-Fix Authentication Failed in Task Scheduler

Updated 2026-06-14 02:56:43developer-tools
PowerShell DNS Server Troubleshooting Checklist - Fix 502 Bad Gateway in PowerShell Invoke-WebRequest-Fix Authentication Failed in Task Scheduler
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.