MS Windows 2012 server is currently supported with Netbackup 7.5.0.6 and later with BMR support starting in 7.6.0.2.
MS Windows 2012 R2 server is currently supported with Netbackup 7.5.0.6 and later with BMR, NBAC and SAN client support starting in 7.6.0.3.
NBU version 7.5.0.6
You can download it here : http://www.symantec.com/docs/TECH204644
Specifically Here : www.symantec.com/docs/TECH204661
NB_7.5.0.6.winnt.x64.Client.Win2012.exe provides a full installer for NetBackup 7.5.0.6 Client on Windows 2012 Server and WIndows 8 Client.
Please review the 7.5.0.6 Release Notes for additional known issues, fixes, and other general information for this release.
www.symantec.com/docs/DOC6396
Be sure to also review the 7.5 Late Breaking News - http://www.symantec.com/docs/TECH178334
For OS cerification, be sure to review : http://www.symantec.com/docs/TECH76648 - NetBackup (tm) 7.x Operating System Compatibility List
NBU version 7.1.0.4
NOT CERTIFIED and UNSUPPORTED
Please see : http://www.symantec.com/docs/TECH29677 - Version Compatibility
