Use Active Directory Group Policy Object (GPO) to enforce the use of a PAC file.
Before you start, get the file path of the desired PAC file in the PAC file location column on the PAC Files tab (Zero Trust Secure Access > Secure Access Configuration > Internet Access Configuration).
This task uses the Active Directory domain controller server running Windows Server 2019 as an example to illustrate proxy configuration via GPO.
The steps contained in these instructions were valid as of September 2022.
This task applies the GPO using Internet Settings to end-user devices running Windows 8 or 10.
The Group Policy Management window appears.
The New GPO window appears.
The newly created GPO displays under Group Policy Objects in the left navigation.
The Group Policy Management Editor window appears.
The New Internet Explorer 10 Properties window appears.
The Local Area Network (LAN) Settings window appears.
This task applies the GPO using Registry to end-user devices running Windows 10 or 11.
The Group Policy Management window appears.
The New GPO window appears.
The newly created GPO displays under Group Policy Objects in the left navigation.
The Group Policy Management Editor window appears.
The New Registry Properties window appears.
Key Path: Set the key path to SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings.
Value name: Set the value name to AutoConfigURL.
Value data: Type the PAC file path.