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Thanks to: https://blogs.technet.microsoft.com New to  Windows Server 2012 , Hyper-V Replica is an asynchronous, virtual machine replication technology designed for business continuity and disaster recovery.  With  Hyper-V Replica , one can replicate a virtual machine from one location to another simple utilizing Hyper-V and a network connection. Hyper-V Replica works with any server network and/or storage vendor and provides unlimited replication capability out of the box. Benefits achieved by to your organization include: Hyper-V Replica allows you, in the event of a failure at a primary site (for example, fire, power outage, or server failure), to fail over your production workloads to Replica servers at a secondary location with minimal downtime. Configurations for the Hyper-V Replica server and storage hardware at each site do not have to be identical. Domain membership is also not required. Hyper-V Replica provides the option to restore virtualized...

Thanks to: http://www.msserverpro.com/ Windows Server 2012 is the Microsoft latest Windows Server Operating System which is more powerful than previous versions of Windows Server. For examples, Hyper-V replication, DHCP failover, Dynamic Access Control, Improvements in Active Directory Recycle Bin, Virtual Domain Controller etc. So it’s better to migrate Windows Server 2008 R2 to Windows Server 2012 Domain Controller because of the new cool features of Windows Server 2012. There are two options for migrating Windows Server 2008 R2 to Windows Server 2012 Domain Controller. Directly Upgrading to Windows Server 2012 on same physical machine, which is not recommended? Migrating specific domain controller functionality to the new Windows Server 2012 Active Directory Domain environment using new hardware, which is the best option for migrating Active Directory Domain Controller from Windows Server 2008 R2 to Windows Server 2012 Domain Controller. The prerequisites for migratin...