The latest major revision, version 5.0, was released in 2009 for Exchange and Domino; support for Group Wise was added in 2010.
To support the growing number of multiple devices, ownership models, and operating environments, Black Berry reinvented Enterprise Mobility Management (EMM) by bringing together Mobile Device Management, Security, Unified Communications and Applications by launching Black Berry Enterprise Service 10 (BES 10).
from our friends @ Tech Net – Managing Mailbox Database copies Seeding a Database Copy , is the process in which a database, either a blank database or a copy of the production database, is added to the target copy location on another Mailbox server in the same database availability group (DAG) as the production database.
This becomes the baseline database for the copy maintained by that server.
It has a few minor feature limitations, but only requires a data plan - not a BES plan.