Little Samba SMF changes a comming.
By smg on Mar 06, 2007
services; winbind and wins. Tis for running samba in a domain controlled by ADS-PDC.
Since ADS resolves hostnames via whatever nameserver (nis, dns, ldap...) it no
longer needs the old WINS protocol (nmdb).
Though if you've got an older setup and may still need the WINS protocol you'll need
to enable the network/wins server ala:
svcadm enable network/wins
Some details of this are with this bug; 6525472