Authorized DHCP servers in the domain.

Hi,

How could I get a list of all the authorized DHCP servers within my domain?

I came across this MS article (http://support.microsoft.com/kb/306925) but the list form the dhcpServers atribute from DhcpRoot object doesn't match the real list of authorized DHCP servers in the domain.

The idea is to add a bunch of domain users to the local DHCP Administrator group of all the DHCP servers within the domain. I don't find any other way to achieve that through restricted groups, but I need before a group with all the authorized DHCP server in the domain.

Thank you.