How to Setup & Configure DNS Server on Windows 2008 R2
Jun 02, 2012 Running Windows Server 2008 R2 – Installing and Creating Sep 24, 2009 How to Add a Server 2008 R2 Domain Controller (DC) to a Dec 21, 2010 Setting NTP on Windows 2008 Domain - Server Fault Those domain controllers in turn will synchronize their time with the domain controller that holds the PDC emulator FSMO role. That domain controller holding the role should be configured to use NTP time synchronization against a reliable source be it internal or external, and all the rest of the domain members should fall in line.
Add Additional Domain Controller to Existing Domain step
Server Basics (1) | Setup a Domain Controller | Windows Feb 20, 2011 Deploying a Read-Only Domain Controller with Server 2008
Feb 20, 2011
Dec 12, 2011 How to Setup a Windows 2008 R2 SNTP/NTP Server - Bit Dec 21, 2009 Setting up an authoritative DNS in Windows Server 2008 Jul 11, 2013 Step by Step guide to setup Active Directory on Windows