Windows + Linux - как скрестить ужа и ежа

Free Active Directory Authentication for UNIX, Linux & Mac

«Centrify Express is a comprehensive suite of free Active Directory-based integration solutions for authentication, single sign-on, remote access, file-sharing, monitoring The #1 Choice for Active Directory Integration and cloud security for cross-platform systems. It is the quickest and most proven solution for integrating UNIX, Linux and Mac systems with Windows, and delivers more functionality and more to upgrade to when compared to other free offerings.»

http://www.centrify.com/express/free-active-directory-tools-for-linux-mac.asp