Enable the Authentication Tab on the wireless connection.
Please go to the Windows 2000 Services and look for Wireless Configuration and
start the service
A.Right-click My Computer, and then click Manage.
B. Click Services and Applications, and then click Services.
C. Set the Startup value for the service (Wireless Configuration) to Automatic,
and then start the service.
You can find more information about this Microsoft issue on the following link under common
issues: Using 802.1x Authentication on Computers Running Windows 2000
http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b313664
2- When you install the 802.1X hot fix, the Microsoft install the PEAP-MSCHAPv2 supplicant.
The Cisco ACS doesn?t support it. We need to use PEAP-GTC which is install with the ACU
We need to be sure the ACU was install (or reinstall) after the hot fix.
After completing the previous two tasks, you need to set up the wireless connection through the
Authentication tab with the correct settings. The screens look very similar to the screen shots thats available for Windows XP.