Maintenance Back up and restore PEUse the Puppet Enterprise (PE) backup tool to create regular backups of your installation. Then, if you migrate your primary server to a new operating system or replace your primary server hardware, you can restore your installation. The backup and restore process can also be useful for troubleshooting or for recovering your installation after a system failure. Database maintenanceYou can optimize the Puppet Enterprise (PE) databases to improve performance. Rotating the inventory service secret keyThe inventory service uses a randomly-generated secret key to encrypt a connection entry's sensitive parameters.