We have a problem with running 6.5 scripts of the web/NCA mixed protocol variety, doesn't work-- After trying just about everything, Mercury confirms this--Also appears thaLR7 just doesn't work with mixed Web/NCA protocol at all--if you're on a timeline I'd stay with 6.5 for this project, Ask yourself "Do I really need LR7 for this project"
Oh the boredom... of endless space---"Pigs in Space"-The Muppets
I think rather than going to 7.0, you better go with 7.02 version. The application that I am working on, LR 7.0 could not handle cookie in the right way. So I had to move back to 6.5. Even Mercury says that you should upgrade to 7.02