problemes samba

[De Leeuw Guy <G.De_Leeuw@eurofer.be>]

Bonjour à tous,

Je n' arrive pas à connecter une resource samba :

ma commande :
root@pcGDL:/home/guy# mount -t smbfs -o username=guy //SambaV3/guy
/mnt/loop/
Password:
21467: tree connect failed: Call returned zero bytes (EOF)
SMB connection failed
root@pcGDL:/home/guy#   

mon smb.conf
[global]
        workgroup = SAMBAV3
        netbios name = SAMBAV3
        server string = Samba-LDAP PDC Server
        domain master = Yes
        local master = Yes
        domain logons = Yes
        preferred master = Yes

        obey pam restrictions = Yes
        syslog = 0
        log file = /var/log/samba/log.%m
        max log size = 1000
        dns proxy = no
        panic action = /usr/share/samba/panic-action %d
        invalid users = root
        hosts allow = 10.0.2 127.0.0.1

[homes]
        comment = Home Directories
        path = /home/%U/Docs
        read only = No
        create mask = 0700
        directory mask = 0700
        hide dot files = Yes
        browseable = Yes


si qqun à une idéee ...
merci d'avance
Guy