Whenever you change or update the OneSpan Authentication Server Appliance license key, you need to reconfigure OneSpan Authentication Server Appliance replication!
Primary and backup OneSpan Authentication Server Appliance instances
The basic and most common replication setup is used when a company has two OneSpan Authentication Server Appliance instances, allowing a redundant setup in case of hardware failure. Following initial synchronization, all services are identical on both OneSpan Authentication Server Appliance instances with modified data replicated in both directions.
Figure: Replication between primary and backup OneSpan Authentication Server Appliance instances
Primary, backup, and disaster recovery OneSpan Authentication Server Appliance instances
This scenario is often used when a company requires an off-site disaster recovery OneSpan Authentication Server Appliance instance and database.
Figure: Replication between primary, backup, and disaster recovery OneSpan Authentication Server Appliance instances