You have a Lync Server 2010 and Lync Server 2013 infrastructure. The infrastructure contains Front End pools.
Currently, all users use the Lync Server 2010 Front End pool. An administrator migrates a user to the Lync Server 2013 Front End pool.
After the migration, the user can no longer access the whiteboards, the attachments, the poll data, and the Microsoft PowerPoint presentations that were uploaded
to the meeting before the migration.
You need to ensure that the PowerPoint presentations, the whiteboards, the attachments, and the poll data are moved when users migrate from Lync Server 2010
to Lync Server 2013.
What should you do?

A.
Run the Move-CsUser cmdlet and specify the -ProxyPool parameter.

B.
Run the Move-CsLegacyUser cmdlet before you migrate the users.

C.
Run the Move-CsConferenceDirectory cmdlet before you migrate the users.

D.
Run the Move-CsUser cmdlet and specify the -MoveConferenceData parameter.