http://www.bmtsolutions.us/wiki/freebsd:cifs:server?s%5B%5D=samba4

zfs set aclmode tank
zfs set aclinherit tank
 
samba-tool domain passwordsettings set --complexity=off
samba-tool domain provision --use-ntvfs --use-rfc2307 --interactive
Realm [IDEFIX.LAN]: SERVER.IDEFIX.LAN
 Domain [SERVER]: IDEFIX.LAN