Prevent changing proxy settings

Supported on: At least Internet Explorer 5.0

Registry

HKLM Software\Policies\Microsoft\Internet Explorer\Control Panel

HKCU Software\Policies\Microsoft\Internet Explorer\Control Panel

Value name: Proxy

Description

This policy setting specifies if a user can change proxy settings. If you enable this policy setting, the user will not be able to configure proxy settings. If you disable or do not configure this policy setting, the user can configure proxy settings.