samba - Dec 2005 - Get all user of one groups ? with winbindd/ads

Hi

before, i use
    getent group "name of the group"
for know all user on the groups ..

I have upgraded in 3.0.21rc2 and change security domain to ADS and now i 
can get it.
He have other solution for get with best speed all user of one groups ?

Thanks bye