Tip – A Quick Tip to designate a domain controller for client authentications.

This article explains the use of SRV priority. This applies to Windows 2000, Windows 2003 and Windows Server 2008.

Read more here…

http://www.windowsnetworking.com/kbase/WindowsTips/WindowsServer2008/AdminTips/ActiveDirectory/AQuickTiptodesignateadomaincontrollerforclientauthentications.html