I would advise that you check the DP 7.0 support matrix
http://support.openview.hp.com/selfsolve/document/KM1357659
Click on the Virtualization_Support_Matrix PDF file. If anything was added for a version higher than 7.0, there will be a footnote specifying this
This will tell you what versions of VMware are supported, currently
Vsphere 5.0, 5.1, and 5.1.1
All guest operating systems supported by the respective vendors are supported with Data Protector as long as they are listed as supported on physical hosts in the HP Data Protector 7.00 Platform and Integration Support Matrix.
On pg 7, there is a list of supported OS-types and levels