FortiADC-4000D
Fortinet FortiADC 4000D — Fortinet FortiADC-4000D application delivery controller
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.
FortiADC-4000D — questions
Is the Fortinet FortiADC-4000D still supported?
No. Fortinet's last date of support for FortiADC-4000D was Dec 2022 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiADC-4000D reach end of sale?
FortiADC-4000D reached end of sale Dec 2017, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiADC-4000D?
Dec 2022 — per the Fortinet end-of-sale bulletin.
Can the FortiADC-4000D be maintained after Fortinet support ends?
After the last date of support, FortiADC-4000D units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.