Goto 1.6 Shift click your server from 1 place to another.
Try this in 1.7 and you see it wont work.
MC-40653
You can't swap servers Using Shift + Click (Between 2 servers) anymore
Resolved
Duplicate
0
Duplicate of MC-40338 - If you have not , please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.