After you create the Email Journaling App, you must associate mailboxes with the journal mailbox subclient.
Before You Begin
Create the journal mailbox plan.
Procedure
In the navigation pane, expand Solutions >Exchange, and then click the Email Journaling App.
In the Journal Mailbox area, on the right side of the page, click Add.
The Associate journal mailboxes dialog box appears.
From the list of available journal mailboxes, select all the required mailboxes.
From the Exchange plan list, select journal mailbox plan.
Click Save.