: For production environments, many administrators remain on the 7.2.x branch (e.g., 7.2.12 ) because engineering support for that branch has only recently ended, and it is considered highly stable for E-series hardware.
While newer FortiOS versions like 7.6 or 8.0 exist for modern hardware, the FortiGate 60E is generally restricted to older, more stable branches due to its 2GB RAM limitation. latest firmware for fortigate 60e
The FortiGate 60E has passed its "End of Sale" date and is moving toward "End of Support". Engineering support for the 7.4 branch is currently scheduled to end in How to Upgrade Safely Upgrade Path Tool - Fortinet Document Library : For production environments, many administrators remain on
High-end modern releases like FortiOS 8.0 (released April 2024) do not support the 60E. The device lacks the hardware resources to run these newer operating systems. Critical Lifecycle Dates Engineering support for the 7
Note that the 60E is approaching its end-of-engineering support; keep an eye on the Fortinet Product Life Cycle page for official sunset dates. CLI commands to perform this upgrade via a TFTP server? FortiGate Firmware Upgrade
FortiOS 7.4.11 is the highest supported version currently recommended for many E-series models, providing advanced configuration options for SAML signature verification.