How to disable Tcp/Ip settings in windows XP via GPO?

Enable the following policies in GPO,

To go to GPO:

Go to RUN>type gpedit

>User Configuration/Administrative Templates/Network/Network Connections/

• "Prohibit TCP/IP advanced connection"
• "Prohibit access to properties of components of a LAN connection"
• "Enable Windows 2000 Network Connections setings for Administrators"

Restart your system..

I hope this helps.