Replication Manager (RM) is being used to create replicas for a SQL server installed on VMFS
residing on an ESX server. The operations are sent from a separate virtual RM proxy host.
However, the RM is not able to successfully create copies.
What is the most likely cause of the failure?

A.
The RM proxy is unable to connect to the RM Server over port 443.

B.
The RM proxy host is already registered with the RM server.

C.
The RM proxy must be a physical host.

D.
The RM server credentials were not properly entered for the RM proxy.