The solution supposes that customer will describe hosting objects on PPA system so that Plesk migration tool could create these objects in Plesk. Plesk Migration Development Team work on automation of the process to list these objects from source PPA/OPA system. We estimate that automated solution will be available in first half of 2017 with PPA 11.5 included to the list of panels that are natively supported by Plesk Migrator extension.