nary4484
The replicas are protected from being vmotion. You have to unprotect the replica using sviconfig, vmotion it, then re-protect it after you're done.
Steps to unprotect
Manually deleting replica virtual machines in VMware Horizon View (1008704) | VMware KB
Steps to protect
Re-protecting a View replica virtual machine (2015006) | VMware KB
As far as which vms are using the replica...
You have to query the database to find that information
Finding the virtual machines that are associated with a Replica in the VMware Horizon View (2088582)...
