An administrator is using Update Manager 5.0 to update virtual appliances in a vSphere environment. The environment is using the vCenter Server appliance. The administrator is unable to remediate the vCenter server appliance.

What would cause the remediation to fail?

A.
Updating of the appliance can only be done if the vCenter Server Appliance has been

B.
Remediation must be configured on the Appliance Administration page before use

C.
Remediation of the vCenter Server Appliance with Update Manager is not supported

D.
Remediation of the vCenter Server Appliance must be done from the Power CLL

Explanation: