This means that you change owner of subscriptions, or, in other words, reassign subscriptions to another user: another customer or yourself. In this case, the subscriptions are automatically unbound from their plans and become custom. To transfer one or several subscriptions to another user, go to Subscriptions, select the corresponding checkboxes and click Change Subscriber.
Please follow the following steps:-
1) Login to Plesk control panel.
2) Click on "Subscriptions".
3) Click on Subscriptions.
4) Click on Change Subscriber.
Choose New Subscriber
Choose a new owner for the selected subscriptions and click Next >>.
Click Finish to complete the reassignment. When it is done, the selected subscriptions will be assigned to a new owner, their provider will be changed to the new owner's provider, and they will be unbound from their service plans and become 'Custom'.
Information: Subscription ownership was changed.
