I have a samba server on linux with a LDAP DC, On a client server, I was do net join -S DOMSERV -Uadmin%PASSWORD and that's work The server member of DOMSERV have a share XFS filesystem. When I set manualy the acl (setfacl -m g:group:rwx the_file) It's ok, the other domain member see the ACL But when I set the acl with a Windows Workstation, that's don't work smbd/posix_acls.c:create_canon_ace_lists(1380) create_canon_ace_lists: unable to map SID my client smb.conf [global] workgroup = TOTODOM server string = Samba Server security = DOMAIN password server = domain-srv log file = /var/log/samba/%m.log max log size = 50 socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 load printers = No dns proxy = No ldap ssl = no map acl inherit = Yes my server smb.conf [global] unix charset = ASCII workgroup = DOMSERV server string = Samba Server update encrypted = Yes passdb backend = ldapsam:ldap://192.168.53.58, guest passwd program = /usr/bin/smbpasswd %u passwd chat = *new*password* %n\n *new*password* %n\n *changed* passwd chat = *New*UNIX*password* %n\n *ReType*new*UNIX*password* %n\n *passwd:*all*authentication*tokens*updated*successfully* unix password sync = no encrypt passwords = Yes passwd chat debug = Yes log file = /var/log/samba/log.%m max log size = 50 socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 bind interfaces only = no interfaces = eth0 lo pam password change = yes add user script = /usr/bin/smbpasswd -a %u -D 256 delete user script = /usr/bin/smbpasswd -x %u -D 256 add machine script = /usr/bin/smbpasswd -m -a %u$ -D 256 logon script = netlogon.bat logon path = \\srv-image\profiles\%u logon drive = X: logon home = \\srv-image\%u domain logons = Yes os level = 65 preferred master = No domain master = Yes dns proxy = No ldap suffix = dc=domserv,dc=com ldap machine suffix = ou=hosts ldap user suffix = ou=People ldap group suffix = ou=Groups ldap admin dn = cn=manager,dc=domserv,dc=com #ldap delete dn = Yes #ldap trust ids = Yes ldap ssl = no ldap passwd sync = Yes admin users = Administrator root hosts allow = 192.168.53.0/255.255.255.0 127.0.0.1 #ldap filter = (&(uid=%u) (objectclass=sambaAccount)) ldap delete dn =yes Someone can help me?? -- Daniel Ch?nard Croesus Finansoft Inc. 2 Place Laval, Suite 510 Laval, Quebec Canada H7N 5N6 Site Web: www.croesus.com Daniel.Chenard@croesus.com Tel: +1 450-662-6101, 145 Fax: +1 450-662-3629 Please Note: The Light at the End of The Tunnel will be turned off until further notice due to budget cutbacks. --The Managemen