dump exportPSK = YES Creates a script that contains the current configuration. If saved to a file, this script can be used ...

dump      [exportPSK =] YES        Creates a script that contains the current configuration. If saved to a      file, this script can be used to restore altered configuration settings.        exportPSK - To export the shared secrets for RADIUS clients and remote                 RADIUS servers (required).        If you want to export the NPS server configuration, you must also export      all shared secrets and SQL server logging settings. Export of NPS server      configuration without shared secrets is not supported.        The exported file contains unencrypted shared secrets for RADIUS      clients and members of remote RADIUS server groups. Because of this, you      should ensure that the file is stored in a secure location to prevent      malicious users from accessing the file.