zhizhu
Home / developer-tools / Fix PowerShell Connection Refused Errors in Scripts - Microsoft Teams CXA20001 Error – How to Resolve-How to Fix 502 Bad Gateway in CMD Due to DNS

Fix PowerShell Connection Refused Errors in Scripts - Microsoft Teams CXA20001 Error – How to Resolve-How to Fix 502 Bad Gateway in CMD Due to DNS

Updated 2026-06-14 15:25:16developer-tools
Fix PowerShell Connection Refused Errors in Scripts - Microsoft Teams CXA20001 Error – How to Resolve-How to Fix 502 Bad Gateway in CMD Due to DNS
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.