How to disable ipv4 in winxp

I need a little help concerning a Dual-Stack implementation of IPv6 on my Windows XP machine.

I wish to operate my network as IPv6-Only. How do I go about disabling IPv4 but ensuring that IPv6 is
still installed and operational?

Thanks you

I don't think you want to do that, unless you have a 6to4 router, and your internal network was all ipv6

Windows XP can only disabled IPv6. Not until Vista are you able to disable IPv4.