This extension reconfigures DC1, the native IPv6 router for the Corpnet and Corpnet2 subnets, to stop advertising address prefixes and act as a DHCPv6 server. Additionally, you configure DC1 with a DHCPv6 option for the IPv6 address of a DNS server.
If you have an idea for an extension that adds something new and interesting to a test lab, by all means, write it up and publish it in the TechNet Wiki. Here is a blog post to get you started.
Windows Server Information Experience