If you are managing a FortiGate-200D, it is critical to understand its current lifecycle status before attempting an upgrade. Unlike newer models, the 200D has reached specific milestones in its support lifecycle that dictate which firmware you can install.
, meaning it no longer receives new feature updates or major firmware branches
Due to the age of the "D" series hardware, it does not support more modern branches like FortiOS 6.2, 6.4, 7.0, or 7.2 [15, 21]. If you are looking for newer features or continued engineering support, Fortinet recommends upgrading to a newer series like the Latest Firmware Details (as of April 2026) Latest Version FortiOS 6.0.17 (Build 0528) [30]. Support Status
has reached its end-of-life (EOL) status, with (released around February 2024) being its final significant firmware update. While this model was a workhorse for mid-sized networks, its current "review" is more of a legacy assessment. Firmware Update Review
instead of Proxy-based. It is significantly lighter on the 200D's aging processor. Plan the Exit: End of Support (EOS) date for the 200D is July 1, 2026
