Setting up Wi-Fi Authentication in Windows Server 2008 (Part 1)
http://www.windowsnetworking.com/articles_tutorials/Setting-up-Wi-Fi-Authentication-Windows-Server-2008-Part1.html
Why business should use the Enterprise mode of WPA/WPA2 encryption with 802.1X authentication for their Wi-Fi network, and begins setting up Windows Server 2008 to act as the required RADIUS server.