Fortinet FortiController-5103B — End-of-Life & EOSL Dates
Fortinet FortiController-5103B chassis switch/controller. Published end-of-order (end-of-sale) and end-of-support (EOSL) dates from Fortinet's public hardware Product Life Cycle feed, linked for verification.
Every tracked Fortinet FortiController-5103B SKU group is past Fortinet end of service life (last group Oct 2023). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.
End of sale
Jul 2017 – Oct 2018
Last date of support
Jul 2022 – Oct 2023
Part numbers
2
49
months past last support
Why this score
- Past end of service life — 49 months ago
- Vendor-published date, source-linked
- Category: chassis switch/controller
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part numbers in this family
Dates vary across 2 groups in this family, so every row carries its own. Find your exact part before you plan.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| FortiController-5103B-G | Fortinet FortiController-5103B-G chassis switch/controller | Jul 2017 | Jul 2022 | Past support |
| FortiController-5103B | Fortinet FortiController-5103B chassis switch/controller | Oct 2018 | Oct 2023 | Past support |
Options from here
The Fortinet FortiController-5103B is past Fortinet end of service life. These are the paths teams take 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.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
Fortinet FortiController-5103B — questions
Is the Fortinet FortiController-5103B end of life?
Yes. Every tracked FortiController-5103B SKU group is past its last date of support.
What is the last date of support for the FortiController-5103B?
Last dates of support across FortiController-5103B SKU groups range from Jul 2022 to Oct 2023.
Where do these FortiController-5103B dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official Fortinet end-of-sale bulletin it was taken from.
On the same timetable
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