Добрый день.
	Это только у мея самба лог пишет в /var ?
======= smb.conf =======
[global]
    <skip>    
    security = domain
    encrypt passwords = yes
    password server = SERVER
    log file = /var/log/samba/log.%U
    max log size = 1000
    nt acl support = yes
    nt pipe support = yes
    nt smb support = yes
    guest account = nobody
    protocol = NT1