You must purchase the ASE_HA license option to use Adaptive Server with Failover. See the Installation Guide for information about enabling the ASE_HA license.
The two Adaptive Servers in a high availability system must have similar, compatible configurations. Both must be
Running Adaptive Server 12.0 or higher.
Running the latest version of Open Client™.
At the same release level.
The must have a compatible configuration.
Running Component Integration Services (CIS).
Running a high availability subsystem (for example Sun Cluster, Windows NT running the Microsoft Server Cluster, and so on).
Configured for parallel or non-parallel processing.
