Replication Server 15.6 uses SySAM 2. You may use an earlier version of SySAM, but it must be modified.
Replication Server version 15.6 uses a newer version of Sybase Software Asset Management System (SySAM) and an updated license format. You can run only one instance of a license server on a computer. To use earlier versions of Sybase products with Replication Server 15.6, see SySAM Users Guide for details.
For instructions on migrating a license server, see the SySAM Users Guide.