Question : how do i/can setup backup DC on an existing 2008 AD.

how do i/can setup backup DC on an existing 2008 AD. I have setup my 1st DC 2008, now would like to know the steps in doing for the 2nd DC and then how to do the replication setup. Please share your view on this.


My 1 server is domain controller i want configure  if my domian controller is faill thein how start the work with memebr server
Whats the best practise to see whether the domain controller is down.

Answer : how do i/can setup backup DC on an existing 2008 AD.

Here are some good step by steps links that will walk you through the whole process.

http://technet.microsoft.com/en-us/library/cc733027(WS.10).aspx

http://canihelpyou.wordpress.com/2008/08/14/setting-up-an-additional-domain-controller-with-windows-server-2008-2/