Backing up your admin database ARD 2
From this Apple Knowledge base article #108024

If you want to back up your Apple Remote Desktop 2 database files, the easiest way is to copy the files to another storage device. Apple Remote Desktop 2 stores information about client systems in Postgres database files located at: /var/db/RemoteManagement/




 ARD 2 copy a computer list  
 Backing up ARD 2 database  
 Configure remotely with Command Line