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Fix DNS Probe Finished NXDOMAIN on Custom DNS Server - Troubleshooting Nginx 502: Backend Connection Refused-How to Manually Activate a Python Virtual Environment

Updated 2026-07-28 07:11:56windows-fixes

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server - Troubleshooting Nginx 502: Backend Connection Refused-How to Manually Activate a Python Virtual Environment

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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