I have deployed a Wi-Fi network with WPA2 protocol set, and authentication with RADIUS server (FreeRADIUS 1.1.3), both "users" file and Active Directory. Everything is working fine for all kind of clients: GNU/Linux, Mac OS X, Windows XP (Professional), etc. It also works fine for users listed in "users" file and users belonging Active Directory.
Everyone but users that try to get access to Wi-Fi network with a Windows Vista (Home Premium, if this detail is important) operating system. There is no way they can connect to the network.
I have been capturing traffic and recording logging information from RADIUS server. In both cases I have realized that for a working client there is a series of RADIUS "Access Request" and "Access Challenge" between NAS and RADIUS server, 7 pairs, before an "Access Acept" is issued. But when a Windows Vista (Home Premium) appears in scene, there is just 4 pairs and then.... nothing more.
I have not had the chance to try with a Windows Vista Business.
I had found this link while searching for an answer before writing this post:Is it possible this issue be a Windows Vista (Home Premium) pitfall ?. Anybody has heard about it before ?. I am driving crazy with this problem.
If anybody needs additional information do not hesitate in asking me.