When you initially install IPv6 on a computer in your network, be sure to install it first in a test environment so that you can configure and test the IPv6 protocol before installing it in your production environment. For more information about setting up a test lab, including typical test lab tasks and a sample infrastructure, see "Setting up an IPv6 test lab" in Help and Support Center for Windows Server 2003.
▸ To install IPv6
In Control Panel, double-click Network Connections.
Right-click any local area connection, and then click Properties.
In the Select Network Component Type dialog box, click Protocol, and then click Add.
In the Select Network Protocol dialog box, click Microsoft TCP/IP version 6, and ...