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Fix SQL Server Connection Refused Error in CMD - Resolve Windows Update 'Connection Refused' Error-Troubleshooting Windows Defender 502 Gateway Error

Updated 2026-06-15 11:49:41cloud-software

Fix SQL Server Connection Refused Error in CMD - Resolve Windows Update 'Connection Refused' Error-Troubleshooting Windows Defender 502 Gateway Error

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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