Bonjour, I know, this question was already ask many times, but in all i read, i didn't find solution. I'm steel with : Aug 19 22:26:17 stl01 gdm(pam_unix)[3247]: authentication failure; logname= uid=0 euid=0 tty=:0 ruser= rhost= Aug 19 22:26:17 stl01 pam_winbind[3247]: user 'SID\z1' granted acces Aug 19 22:26:17 stl01 pam_winbind[3247]: user 'SID\z1' granted acces Aug 19 22:26:17 stl01 gdm(pam_unix)[3247]: session opened for user SID\z1 by (uid=0) Aug 19 22:26:18 stl01 gdm[5344]: session_child_run : l'utilisateur n'est pas autorisé à se connecter Aug 19 22:26:21 stl01 gdm(pam_unix)[3247]: session closed for user SID\z1 I succed in join domain, I succed in creat with 'smbpasswd -j SID -r myserver' the samba's computer wbinfo -u -> SID\z1 SID\root /home/SID/z1 /root are created #%PAM-1.0 (login) auth required pam_securetty.so auth required pam_stack.so service=system-auth auth sufficient pam_winbind.so auth required pam_nologin.so account required pam_stack.so service=system-auth password required pam_stack.so service=system-auth session required pam_selinux.so multiple session required pam_stack.so service=system-auth session optional pam_console.so1 and nsswitch : passwd: files winbind shadow: files winbind group: files winbind could someone helpme to find my mistake. Jean-François DUMONT --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.737 / Virus Database: 491 - Release Date: 11/08/2004