All Local Drives not get Backed-up through Hyper-V Type

Hi All ,

We taken a Backup type of Hyper-V, the backup get completed sucessfully with the backup selection of all Local Drives.

But at the time of restore it not showing the some drives to view in the Backup & Archive Resotre window.

Details are below.

Master Server :- NBU=7.5.0.6 / OS=Windows2008

Media Server :- NBU= 7.5.05 / OS=Windows2008

VM Host :- NBU=7.5 /

Please let us know if any info required.

Thanks in Advance,
Bharat