The following article contains instructions on how to enable the Blackberry mobile service for a Full Access Exchange user.

**(Blackberry 10 or Z10 Device users DO NOT need to enable this service. The new Blackberry 10 uses  Microsoft's  native  Active-sync  protocol. You will need to add this account using the following article - 

(Setting Up a Blackberry 10 Device With ActiveSync)

1. Log into the Administrative Control Panel at

2. Under My Current Services, select Microsoft Exchange.

3. From the Service Management column, Click on Mailboxes.

4. From the Mailbox List, select the mailbox you wish to edit then click the Edit Mailbox link form the top of the column.

5. Under the Mobile Access Section, enable the Blackberry service. 

6. Select Submit Changes when finished.