What is a possible reason for this?

A backup administrator is performing a disaster recovery for a Windows Server 2008 system. However, the Avamar Disaster Recovery Wizard is unable to perform the recovery.

What is a possible reason for this?
A . Windows 2008 OS software has not been installed on the replacement hardware
B . The Avamar Disaster Recovery Wizard does not support Windows 2008
C . A backup using the Windows VSS plug-in and the full file system was not performed
D . A backup using the Avamar Server Restore Option was not performed

Answer: B