In the main console window, choose Remote Domain Manager from the File menu.
The Remote Domain Manager dialog box is displayed.
Type the name of the remote server in the Host field.
If applicable, type the port number for the remote Topology manager in the Port field
By default, the Topology manager is installed on the server on port 164.
Click the List Domains button.
A list of administrative domains on the remote server is displayed.
Select the administrative domain that you want to reference.
The selected administrative domain is highlighted.
Click the Reference button.
The selected administrative domain is created as a reference administrative domain in the currently selected administrative domain in the main console window.