How to set up RADIUS on Windows 2000 so you can autheticate wireless clients

Windows 2000 with Active Directory (latest service pack)
Certificate server
IAS server
Access point with 802.1X capability, the following were used in this guide

Linksys BEFW11S4
D-link DI-824vup

Windows 2000 or Windows XP client with a wireless adapter (latest service pack)

Windows 2000 Radius server setup:
Make sure Active Directory [...]