Our mechanical engineers run an HP-UX workstation for CAD and a Windows XP Pro box (in a native 2003 AD domain) for everything else. I've used Samba 2.something for a few years to export the users' ...
I'm planning on migrating a few of our Linux servers to use AD authentication via SAMBA/Winbind. Operating system will be openSUSE 11.3 x64. Our AD environment does not have UNIX extensions installed.