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Fix SQL Server Connection Refused Error in CMD - Windows 10 Command Prompt Command Not Found Fix-Resolve 502 Bad Gateway in Windows Terminal – Firewall Fixes

2026-06-14 07:56:34
Fix SQL Server Connection Refused Error in CMD - Windows 10 Command Prompt Command Not Found Fix-Resolve 502 Bad Gateway in Windows Terminal – Firewall Fixes

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.