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Fix Microsoft Teams Connection Refused by Proxy Server - Windows Defender Scanning Despite Real-Time Protection Off-Proxy Misconfiguration Leading to Windows Update 504 Error

Updated 2026-06-15 08:53:57developer-tools
Fix Microsoft Teams Connection Refused by Proxy Server - Windows Defender Scanning Despite Real-Time Protection Off-Proxy Misconfiguration Leading to Windows Update 504 Error
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  • Keep a rollback note if the workflow affects shared files or team settings.

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