The upgrade process
When you start the upgrade process, quickly recheck each of the preceding eight steps 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 well in time so that they have time to shut down any processes that do not handle interruptions too well.
The first step is to upgrade Panorama.
Upgrading a single Panorama instance
While upgrading Panorama introduces the least risks in terms of network impact, as it doesn’t process sessions, a standalone Panorama instance does require an appropriate amount of precaution as a failed upgrade could introduce some difficulties with managing the firewalls. Be extra sure that an up-to-date configuration save is stored in a secure location, then follow these steps:
- If any configuration changes have not been committed, review and save them, then collect...
