Please be advised, when upgrading FortiGate devices to a firmware version that is not part of the upgrade path, the warning 'The firmware version is not on firmware upgrade path of selected devices. Upgrading the image may cause the current syntax to break'. is shown.
In earlier versions of FortiManager, when upgrading FortiGate devices to a higher version than FortiManager, there was no check and the upgrade process would be completed. Managing higher version FortiOS devices with lower version of FortiManager caused issues.
This release includes multiple usability improvements to guide the administrator towards a successful upgrade.
The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.