Upgrading the firmware on the primary FortiGate automatically upgrades the firmware on the backup FortiGate. Upgrading firmware causes minimal traffic disruption. Before upgrading firmware, always review the Release Notes first.
- Click the System Information widget and select Update firmware in System > Firmware.
- Back up the configuration and update the firmware from FortiGuard or upload a firmware image file.
The firmware installs onto both the primary and backup FortiGates.
- After the upgrade is complete, verify that the System Information widget shows the new firmware version.