Online solutions are either targeted at SP2 or patched.
IEEE 802.1X authentication is either forbidden. But there are a lot of people, like me, using SP3, and the above verification is gray. Search on the internet for a long time, and today finally in the help of experts to solve, the process issued, hoping to help to have the same problem friends. Wireless Network Properties Wireless network configuration Select the network that you want to connect to, properties verify the EAP type (Protected EAP), properties of the Trusted Root certification authority (GTE cybertrust Global root), select the authentication method, properties, do not automatically select the login name and password OK. Transferred from: http://blog.sina.com.cn/s/blog_54424ba30101p2hj.html
Windows cannot find a certificate to let you log on to the network, enabling IEEE 802.1X authentication to be dimmed