What can be done to back up the VSS save sets?

An administrator is backing up a Windows 2008 R2 system using save set ALL with EMC NetWorker version 7.6.2. The administrator notices that no VSS save sets are backed up.

What can be done to back up the VSS save sets?
A . Specify VSS:DISASTER_RECOVERY=off
B . Reinstall the client software
C . Check the VSS service on the client
D . Recreate the client resource

Answer: A