Checkmk 2.1

end of lifeno security fixes since 2024-11-24

Checkmk 2.1 reached end of life 23 months ago.

Supported now: Checkmk 2.3 (until 2026-10-29), Checkmk 2.4 (until 2027-11-06), Checkmk 2.5 (until 2028-04-28)

Facts

Released
(4 years ago)
Security support ended
(23 months ago)
Latest release
2.1, (4 years ago)
Source
endoflife.date (checked 2026-09-09)

Keelbench tracks end-of-life dates for 469 products, updated daily. Check your repositories against these dates with Deps.