1) You talking about AD or NT Domain? 2) Samba 4 is not out yet. 3) Samba 3 client can join both AD and NT style domains. 4) To join AD domain, need to configure krb5. 5) RedHat and Suse will have samba 3 client. But expect to configure a few things before you can get things to work. 6) Does not really matter if RedHat or Suse. -- Lyndon Tiu