Migration tips from NBU 7.5.0.6 to 7.6+

I'm planning to migrate from Symantec NBU 7.5.0.6 (Windows Server 2008 R2 Standard) to Symantec NBU 7.6+ (Windows Server 2012). Also I'm plannning to migrate from other machine (more memory and powerful processor). Please provide me tips, suggestions, comments about this. Please help. Thank you in advance.