I have AP 1200's, ACS 3.1 and XP machines (all with SP1 or better) The laptop that I use, has a Cisco Aironet card (350) and works just fine. I can authenticate with NDS using LEAP or PEAP.
However, the new IBM machines using internal "high rate wireless LAN" cards aren't playing well with my network. I'm setting them up for our library, and none will pass authentication. They always fail.
I have imported a Thawte certificate into our ACS server. Can anyone please give me some advice?