You can preserve the FME Server job history when upgrading FME Server, if desired.
Create and run a workspace that reads the following tables directly from your repository database and writes to FFS:
Note: If you are using the Default Database Server, connection information can be found under 'Database Connection' in the fmeServerConfig.txt file, located in the Server folder of your FME Server installation directory.
To preserve the log files, make a backup of the <FMEServerDir>\Logs directory.