Regions are listed under their parent Directory Server.

To add a new region, click * NEW and specify its details in the NEW REGION dialog box. You can edit or delete regions by clicking the appropriate icon at the far right of the region row. To start or stop a region, click the Start/Stop icon, this takes you to the CONTROL page.

Note: A warning will be displayed if you try to create a region with a working mode that is different from the bitism of the parent Directory Server. The region might not work on some platforms if they do not have the corresponding product binaries. [1]