The upgrade process
When you start the upgrade process, quickly recheck each of the nine steps in the preceding section and reach out to your stakeholders to let them know that the maintenance window is about to start, and to wait for your signal to test whether all the applications and processes are running smoothly. Do this so that they have time to shut down any processes that do not handle interruptions very well. The first step is to upgrade Panorama.
In the first section, we’ll upgrade a standalone Panorama instance followed by an HA cluster. Next, we’ll review log collectors, and then we’ll go for standalone firewalls, followed by firewall clusters. Skip ahead to the section you need (but remember to upgrade Panorama first).
If you need to download the images manually, be mindful of which version you download. For Panorama and log collectors, there are two flavors: Panorama_pc-x.x.x for VM-installed Panorama/collector, and Panorama_m-x.x...
