FortiGate-90D
Fortinet FortiGate 90D — Fortinet FortiGate-90D 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 90D
FortiGate-90D — questions
Is the Fortinet FortiGate-90D still supported?
No. Fortinet's last date of support for FortiGate-90D was Oct 2023 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiGate-90D reach end of sale?
FortiGate-90D reached end of sale Oct 2018, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiGate-90D?
Oct 2023 — per the Fortinet end-of-sale bulletin.
Can the FortiGate-90D be maintained after Fortinet support ends?
After the last date of support, FortiGate-90D units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.