What is the procedure with an NM-CUE module to roll back from a 50 user license to a 25 user license?

What is the procedure with an NM-CUE module to roll back from a 50 user license to a 25 user license?

A.
Use the same procedure as doing an upgrade.

B.
This procedure is not supported.

C.
Require that the individual mailboxes be copied into the system individually from the FTP server.

D.
Require that the extra space on the NM-CUE be used as a swap space to move mailboxes into the new system.

Explanation:

Note: Caution Downgrading of the licensed capacity is not supported and can cause unpredictable results..