Checkmk Product

Checkmk Pro

Checkmk Pro is a Checkmk product filed under Monitoring Software. Lifecycle: versioned, 6 versions listed, latest 2.5 (28 Apr 2026).

Releases and Lifecycle

Release and support dates as published by Checkmk; dates within the next 12 months are highlighted, past dates dimmed. Retrieved 2026-10-14.

Checkmk Pro 6 versions

Same version lifecycle for all editions of a Checkmk major version.

Version	Released	End of standard support	End of extended support	Source
2.5Checkmk maintenance policyActive maintenance ends 6 months after the release of 3.0.0; no release date has been set for it.	28 Apr 2026	–	28 Apr 2028	[1]
2.4Checkmk maintenance policy	6 May 2025	28 Oct 2026	6 Nov 2027	[1]
2.3Checkmk maintenance policy	29 Apr 2024	6 Nov 2025	29 Oct 2026	[1]
2.2Checkmk maintenance policyActive maintenance ended 6 months after the release of 2.3.0.	23 May 2023	–	23 Nov 2025	[2]
2.1Checkmk maintenance policy	24 May 2022	23 Nov 2023	24 Nov 2024	[2]
2.0Checkmk maintenance policy	9 Mar 2021	24 Nov 2022	9 Sep 2023	[2]

Checkmk maintenance policy. A major version receives error and security corrections for at least 24 months: active maintenance for the stable and previous version, then roughly one further year of passive maintenance with fixes only for support-contract customers. [1]

Sources 2