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 ...

I don't know anything about winbind.<BR><BR>I will say if you want users to log into a linux box with domain credentials (which is fine for everybody except sysadmins), use PAM and the smb-auth ...