DHCP service security issue on a Domain Controller

Hi!

This security issue related here is istill valid for Windows Server 2008 R2 or Windows Server 2012?

http://support.microsoft.com/kb/255134/en-us

http://social.technet.microsoft.com/Forums/en-US/winserverNIS/thread/2057eeed-7fe4-46c0-bff8-3f62ea68b56d

Thanks in advance.

FM

Fabio Martins MCDST/MCSA Brasil!!!