How to Move Servers and/or Change Directories
This should assist you in moving servers probally the best thing for you to do is use the install script to reinstall on the new server into the same database tables. This will correct urls and paths.
The thread states how to do it before you move. If you do not want to use the install script you would have to view the pp_settings table and set the proper urls and server paths. Plus as the thread states you need to list the correct details in the config files.