Panorama, firewalls, Log Collectors, and WF-500 appliances use a master key to encrypt sensitive elements in a configuration. As part of a standard security practice, you must renew the key on each individual firewall, Log Collector, WildFire appliance, and Panorama when your master key expires
Panorama
Firewall
PAN-OS 9.0
Master key
Starting with PAN-OS 9.0, deploying a new master key to multiple firewalls can be performed centrally through the Panorama. Before PAN-OS 9.0, the master keys must be updated individually on each device.
A new “Deploy Master Key” button has been added:
Managed Devices
Managed Collectors
Managed WildFire Appliances
On the GUI, navigate to Panorama > Managed Devices > Summary
The Deploy Master Key dialog box will display a list of all connected devices
No filter for connection state
Devices must be connected in order to deploy Master Keys
Select devices for deployment, then click “Change”