Hi, i am still stuck with the single sign on. i am using red hat 9 with the latest kerberos packages and samba 3.0.4. i have tried different combinations in the pam.d/gdm file but i always get my system stuck. can any one send me a gdm file where gdm uses single sign on. Sahibzada Junaid Noor Ph#(+92) (051) 5950 940 Cell#(+92) (0333) 5223586 Qazi plaza,Third Floor,Commerical Market, Chaklala Scheme 3, Rawalpindi Islamic Republic of Pakistan