Increase mailbox size in Microsoft Exchange 2007

To increase the Mailbox size or remove mailbox size restrictions on your Exchange 2007 server do the following:

1. Open the Exchange Management Console.



2. Expand the Server Configuration from the Console tree, and click Mailbox

3. Select the server that contains the mailbox database you want to configure, then select the Mailbox Database as shown.

4. Next Click on Properties of the Mailbox Database.

5. Now on the limits tab you can change the Storage limit values or uncheck the storage limits altogether.