Você leu isso e atendeu aos requisitos mencionados na documentação do BackupExec 2010:
The following items are required to protect data for Microsoft Exchange, SQL, and Active Directory on virtual machines:
The virtual machine must be turned on.
You must enter the appropriate credentials for the virtual machine. Ensure that the credentials for the virtual machine allow access to the VSS-aware applications.
The media server must be able to connect to the virtual machine using the network name or IP address.
The Backup Exec Remote Agent for Windows Systems must be installed on the virtual machine.
The correct number of licenses must be entered for the applications that you want to protect on the virtual machines.
The operating system on the virtual machine must support VSS.
If you want to use Backup Exec's Granular Recovery Technology (GRT), you must purchase and install the application agents, such as Backup Exec's Agent for Microsoft Exchange, on your virtual machines.