secondary partition

This image describes it well My question is, this will probably break something, so what steps should I take to fix things up after I delete and move stuff around like that?

I put 7100 on a second partition on my p.c. so I could test it out since I have had to revert to 7000 paritition on this machine on all builds after 7022 due to internet loss bug. However I have solved the problem and am now ready to move the second partition over onto the first one, which I...