Server 2012 active directory includes the new feature called domain controller cloning.Using this feature we can easily create domain controllers without installing os or running adds installation wizard.
System Requirement of the domain controller cloning.
- Virtualization platform which is supporting VMGID(Hyper-v 2012)
- Windows Server 2012 operating system running as a Guest Domain Controller
- PDC emulator on windows 2012
- Forest Functional Level to be Windows Server 2003 or higher
- Schema version- 56.
In my setup, I have only one dc.(testad)