Administration Server can be configured for failover. Refer to Sun Cluster Data Services Planning and Administration Guide for Solaris OS for information on installing and configuring the Administration Server data service.
To install the necessary packages, run the Java ES installer on each node, installing the Administration Server and HA Sun Java System Directory Server subcomponent of the Sun Cluster Agents for Sun Java System component. Select the Configure Later option.
During configuration, use a location on the cluster file system as the Server Root.