1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. If the Administrative Groups branch exists in the left pane, expand it,
   1. Expand the appropriate administrative group branch (Servers),
   2. Expand the Servers branch, and then expand the appropriate server branch.
3. If the Administrative Groups branch does not exist,
   1. Expand the Servers branch in the left pane, and then expand the appropriate server branch. For each database that you want to restore, expand the associated storage group branch,
   2. Right-click the database, and then click Dismount Store. The databases comprise both the Mailbox and Public Store, both need to be dismounted.
4. Additionally, right-click each database,
5. Click Properties,
6. Click the Database tab, verify that the This database can be overwritten by a restore check box is selected,
7. And then click OK.

The information in this article applies to:

• Microsoft Exchange Server 2003 Enterprise Edition
• Microsoft Exchange Server 2003 Standard Edition
• Microsoft Windows Small Business Server 2003, Premium Edition
• Microsoft Windows Small Business Server 2003, Standard Edition
• Microsoft Exchange 2000 Server