upgrade question from 6.5.6 ---> 7.1.0.4

I'm about ready to upgrade one of our Masters ::--->

Solaris 10 v445 [master & 1 media]...

I have several questions ::--->

1::  When I remove NetBackup do I also remove PBX?

2::  Are there any gotcha's I should worry about?

Thanks.......

Joe Despres