Enable the following configuration parameters before you configure Adaptive Server for fail over:
enable CIS – enables Component Integration Services (CIS). This configuration parameter is enabled by default.
enable xact coordination – enables Distributed Transaction Management (DTM). This configuration parameter is enabled by default.
enable HA – enables Adaptive Server to function as a companion in a high availability system. enable HA is off by default. Restart Adaptive Server for it to take effect. This parameter causes a message to be written to your error log stating that you have started the Adaptive Server in a high availability system. You must purchase the ASE_HA license option separately. See the installation guide for your platform for information about enabling the ASE_HA license.
See Chapter 5, “Setting Configuration Parameters,” in the System Administration Guide: Volume 1.