Brian, who runs the excellent Blogcast Repository, recently shared with me how he could not use a host computer's wireless NIC with a guest OS when running Virtual PC when Windows Vista is the host OS. I even tried it on my laptop and sure enough, no luck. It just doesn't appear as an option under settings > network. After doing some digging in the readme that came with Virtual PC 2007 I stumbled upon: Virtual PC fails to open the network services driver after an upgrade of Windows Vista. It didn't ......