Hyper-V Replica is a disaster recovery add-on feature for Hyper-V. The feature was released with Windows Server 2012, and has been enhanced further with the release of Windows Server 2012 R2. The add-on is offered for free, and is present in all Hyper-V variants, regardless of whether it be Standard or Datacenter edition, or even free Hyper-V Server 2012 R2. The Hyper-V Replica is not a VM mobility concept or a backup strategy. Its purpose is to maintain a standby replica copy of virtual machines, running on your Hyper-V host or in your data center. In case your host goes down or even the entire data center goes down, the VMs can be brought online on the secondary site or data center to resume services with a very minimal downtime and data loss, which is defined as per the Relative Time Objective (RTO) and Relative Point Objective (RPO) in your BCP.

Hyper-V Replica enables asynchronous replication of virtual machines between two or more Hyper-V hosts. The replication...