In a web browser, log into the Access Manager admin console:
Select Organizations from the View drop-down list in the navigation pane (left pane).
A list of the domains under the top-level organization is displayed in the left pane.
In the navigation pane, click the name of domain under the top-level organization to which you want to add services.
In the navigation pane, select Services from the View drop-down list.
A list of services assigned to the domain appear in the navigation pane.
Click Add in the navigation pane.
The data pane (right pane) displays a list of services you can add to the domain.
Under Instant Messaging Configuration in the data pane, select the Instant Messaging service and Presence Service checkboxes and click OK.
The services you selected are now listed in the navigation pane and have been assigned to the domain under the top-level organization.