In the tree component, expand the Configurations node.
Expand the node for the configuration you want to edit.
Select the Availability Service node.
In the Availability Service page, enable instance level availability by checking the Availability Service box.
To disable it, uncheck the box.
Additionally, you can change the Store Pool Name if you changed the JDBC resource used for connections to the HADB for session persistence. For details, see configure-ha-cluster(1).
The HADB software is supplied with the Application Server standalone distribution of Sun Java System Application Server. For information about available distributions of Sun Java System Application Server, see Distribution Types and Their Components in Sun Java System Application Server 9.1 Installation Guide. HADB features are available only in the enterprise profile. For information about profiles, see Usage Profiles in Sun Java System Application Server 9.1 Administration Guide.
Click on the Save button.
Stop and restart the server instance.