FortiGate-400A
Fortinet FortiGate 400A — Fortinet FortiGate-400A next-generation firewall
Lifecycle position
Options from here
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today — set a migration timeline and budget.
Low-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in FortiGate 400A
FortiGate-400A — questions
Is the Fortinet FortiGate-400A still supported?
No. Fortinet's last date of support for FortiGate-400A was Nov 2016 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiGate-400A reach end of sale?
FortiGate-400A reached end of sale Nov 2011, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiGate-400A?
Nov 2016 — per the Fortinet end-of-sale bulletin.
Can the FortiGate-400A be maintained after Fortinet support ends?
After the last date of support, FortiGate-400A units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.