Ciao
fatta la modifica della cartella e con il signal-event sembra funzionare.
Ecco i log del problema PDC:
su sme:
/var/log/samba/log.w7mariella: Visualizzato alle mer 19 nov 2014 16:22:57 CET.
[2014/11/17 09:14:37.840929, 0] rpc_server/netlogon/srv_netlog_nt.c:976(_netr_ServerAuthenticate3)
_netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting auth request from client W7MARIELLA machine account W7MARIELLA$
[2014/11/17 18:10:34.700449, 0] rpc_server/netlogon/srv_netlog_nt.c:976(_netr_ServerAuthenticate3)
_netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting auth request from client W7MARIELLA machine account W7MARIELLA$
[2014/11/18 16:27:14.962327, 0] rpc_server/netlogon/srv_netlog_nt.c:976(_netr_ServerAuthenticate3)
_netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting auth request from client W7MARIELLA machine account W7MARIELLA$
[2014/11/19 16:12:48.223238, 0] rpc_server/netlogon/srv_netlog_nt.c:976(_netr_ServerAuthenticate3)
_netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting auth request from client W7MARIELLA machine account W7MARIELLA$
Sul pc client

Intanto ti ringrazio nuovamente.