FortiManager-3900E
Fortinet FortiManager 3900E — Fortinet FortiManager-3900E management appliance
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.
FortiManager-3900E — questions
Is the Fortinet FortiManager-3900E still supported?
No. Fortinet's last date of support for FortiManager-3900E was Jun 2023 (per the Fortinet end-of-sale bulletin) — it is past end of service life.
When did the FortiManager-3900E reach end of sale?
FortiManager-3900E reached end of sale Jun 2018, per the Fortinet end-of-sale bulletin.
What is the last date of support (EOSL) for the FortiManager-3900E?
Jun 2023 — per the Fortinet end-of-sale bulletin.
Can the FortiManager-3900E be maintained after Fortinet support ends?
After the last date of support, FortiManager-3900E units can often be kept in production through third-party maintenance providers. Fortinet no longer issues software fixes, support, or hardware replacement for it.