Is it possible to migrate customer's webspace between POA-managed shared hosting servers?
Linux Shared Hosting
It is possible to migrate customer's webspace from Legacy Linux Shared Hosting service to Linux Shared Hosting NG service.
Refer to the Parallels Knowledgebase article #114400 Linux Shared Hosting NG: Migration for more details.
Windows Shared Hosting
Migration of Windows webspaces is not supported in the current POA implementation.
It is going to be implemented in the future versions of POA in scope of the request POA-75665.