You must purchase the ASE_HA license option to use Adaptive Server with Failover. See the installation guide for your platform 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 15.0 or higher
Be running the latest version of Open Client
Be at the same release level
Have a compatible configuration
Be running Component Integration Services (CIS)
Be running a high availability system (for example Sun Cluster)
Be configured for either parallel or nonparallel processing.
