This Article will help you with on-premises mailbox moves.

To create a local move request, log in to the EAC and perform the following steps:

  1. In the EAC, navigate to Recipients > Migration, Add and then click Move to a different database


  1. In the New local mailbox move wizard, select the users you want to move click OK and then click Next.


  1. On the Move configuration page, specify a name for the new batch. Select which options you want for the archive mailbox, and mailbox database location and click Next.


  1. On the Start the batch page, specify a recipient for the new batch report and click New.


Reference: Manage On-Premises Moves