Prevent changing proxy settings via Group Policy in Windows Server 2019

Prevent changing proxy settings via Group Policy in Windows Server 2019 1. Prepapre - DC31 : Domain Controller(Yi.vn) | WIN71 : Client 2. Step by step : Prevent changing proxy settings - WIN71 : Internet Explorer - Tools - Internet Options - Connections - LAN settings - no proxy - DC31 : Set proxy and prevent changing proxy settings via GPO + Server manager - Tools - Active Directory Users and Computers - Yi.vn - Check 'Clients' OU + Server manager - Tools - Group Policy Management - Right-Click 'Clients' - Create a GPO in this domain, and Link it here... - Name : Proxy - Righ-Click 'Proxy' - Edit... - User Configuration - Preferences - Control Panel settings - Right-click Internet Settings - New - Internet Explorer 8 and 9 - Connections - LAN settings... : + Select "Use a proxy server for your LAN (These settings will not apply to dial-up or VPN connections)" + Address : 10.0.0.200 ( press F6 to green) + Port : 8080 + Select : Bypass proxy server for local addresses ( press F6 to green) + Policies - Administrative Templates - Windows components - Internet Explorer - Prevent changing proxy settings : Enable + Start - cmd - gpupdate /force - WIN71 : Update policy and check proxy + Start - cmd - gpupdate /force - Log off - Log on + Internet Explorer - Tools - Internet Options - Connections - LAN settings - can not change -------------------------------------------******************** Youtube.com/c/MicrosoftLab ********************-------------------------------------