You can perform a direct upgrade from Integrity Modeler 8.3 or later.
To migrate archived model export data after you upgrade to Integrity Modeler 9.1, you should consider maintaining an Integrity Modeler 8.3, 8.4 or 8.5 installation.
To upgrade to Integrity Modeler 9.1, follow the instructions for each installation type below.
For Server Only and Client Only installations:
1. Stop clients from connecting to the server by closing all firewall ports.
2. Use the Enabler Export tool to export repositories that you want to migrate.