When you trigger a firmware upgrade on the primary unit in an HA cluster:
For organisations still operating older branches, Fortinet also maintains patch support for 7.2.x (e.g., 7.2.10) and 7.0.x, but migrating to 7.4.x or 7.6.x is strongly advised to benefit from both security updates and modern feature sets.
FortiGate Firmware: The Ultimate Administrator's Guide to FortiOS Lifecycle, Maintenance, and Upgrades fortigate firmware
Stay on the latest patch of the second-most-recent major version . (Currently: 7.2.latest).
The firmware supports various security profiles: Antivirus: Scanning for viruses/malware. When you trigger a firmware upgrade on the
Administrators can create upgrade schedules that automatically run pre-checks, execute the upgrade sequence across hundreds of devices sequentially or concurrently, and perform post-checks.
The CLI method is useful when the Web GUI is inaccessible, when upgrading in a low‑bandwidth environment, or when recovering a device that cannot boot normally. Offload computation-heavy cryptographic tasks
Offload computation-heavy cryptographic tasks, providing faster SSL/TLS inspection and automated antivirus scanning. Virtual Domains (VDOMs)