force proxy setting via group policy(GPO)

       We are using GPOs to apply proxy settings in our domain. Works fine and gives us the flexibility we need. GPOs are applied at system startup or user login. Take a look into the refresh policy. Changed GPOs will not be applied before the refresh interval takes place (in case the user remains logged in).

This article describes how to force proxy setting via group policy.

• Click Start – All programs – Administrative Tools – Group Policy Management.
• Create or Edit Group Policy Objects.
• Expand User configuration – Policies – Windows Settings – Internet Explorer Maintenance – Connection.
• In right Pane Proxy Settings.

For some security reasons maybe administrator need to prevent end users from change their proxy settings. You can do it with group policy follow this steps:

• Click Start – All programs – Administrative Tools – Group Policy Management.
• Create or Edit Group Policy Objects.
• Expand Computer Configuration – Administrative Templates – Windows Components - Internet Explorer – Internet Control Panel
• In right Pane Disable the Connections page (Enabled)

       Removes the Connections tab from the interface in the Internet Options dialog box. If you enable this policy, users are prevented from seeing and changing connection and proxy settings. If you disable this policy or do not configure it, users can see and change these settings. When you set this policy, you do not need to set the following policies for the Connections tab, because this policy removes the Connections tab from the interface

Use GPORESULT (resource kit) to check if a GPO will be applied or not.

More info...