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Fix PowerShell 504 Gateway Timeout When Calling REST API - Fix Windows Defender Disabled by Group Policy: Step-by-Step-Fix Proxy Blocking Microsoft Teams Connection

Updated 2026-06-14 09:44:54windows-fixes

Fix PowerShell 504 Gateway Timeout When Calling REST API - Fix Windows Defender Disabled by Group Policy: Step-by-Step-Fix Proxy Blocking Microsoft Teams Connection

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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