[Samba] SID List

[L.P.H. van Belle]

Hi, 
 
when im runing te command: 
net usersidlist

[2007/10/19 09:11:13, 0] utils/net_rpc.c:net_usersidlist(4724)
  Could not get the user/sid list

I'll get this error.
 
S-1-5-21-XXXXXXXXX-XXXXXXXX-XXXXXXXXX-500 
i must find this sid.. 
 
someone got a hint ? 
 
Louis