Test failover creates a linked clone VM of the destination VM for replication tests. The View test failover/Clone VMs option can be used to view all of the test failover VMs and clone VMs.
In the navigation pane, go to Auto Recovery.
The Recovery groups page appears
Under Group name, click a recovery group.
The recovery group details page appears.
On the Overview tab, in the upper-right corner, click then menu button, and then click Failback now.
The Failback now dialog box appears.
Click the check box Discard the changes since failover to undo failover.