What if you want to configure the networks on your TMG firewall and the wizard claims it can’t find your NIC?
Ouch!
Here’s one way you might be able to fix it.
http://blogs.technet.com/b/isablog/archive/2010/11/19/no-network-adapters-could-be-identified-error-when-choosing-a-network-template-in-tmg.aspx
HTH,
Deb