1. In Exchange System Manager, click the virtual server that you want to configure.
2. On the Action menu, click Properties.
3. Click the Access tab, and then click Connection.
4. In the Connection dialog box, either click Only the list below to limit access to this virtual server to the listed computers, or click All except the list below to prevent the listed computers from gaining access to this virtual server.
5. Click Add.
6. In the Computer dialog box, you can specify computers by one of the following criteria:
   • IP Address
   • Range of IP Addresses
   • Domain
7. Click OK to add the restriction and return to the Connection dialog box.
8. Click OK, and then click OK again to close the virtual server properties.

The information in this article applies to:

• Microsoft Exchange 2000 Server