FortiGate-51E
Fortinet FortiGate 51E — Fortinet FortiGate-51E next-generation firewall
Lifecycle position
Options from here
Supported for now — track the end-of-service date and revisit at refresh planning.
Fold the eventual replacement into your multi-year budget.
Stay on a supported software train while under OEM support.
An option to extend life once the OEM cutoff nears.
FortiGate-51E — questions
Is the Fortinet FortiGate-51E still supported?
Yes, for now. Fortinet's last date of support for FortiGate-51E is Jul 2027 (per the Fortinet end-of-sale bulletin).
When did the FortiGate-51E reach end of sale?
FortiGate-51E reached end of sale Jul 2022, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiGate-51E?
Jul 2027 — per the Fortinet end-of-sale bulletin.
Can the FortiGate-51E be maintained after Fortinet support ends?
After the last date of support, FortiGate-51E units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.