Nagios Enterprises Product

Nagios XI

Nagios XI is a Nagios Enterprises product filed under Monitoring Software. Lifecycle: versioned, 15 versions listed, latest 2026R2 (23 Sep 2026).

Monitoring Software

Releases and Lifecycle

All Nagios Enterprises products

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

Nagios XI 15 versions

Version	Released	Source
2026R2	23 Sep 2026	[1]
2026R1	24 Sep 2025	[1]
2024R2	3 Jul 2025	[1]
2024R1	6 Dec 2023	[1]
5.11	27 Jun 2023	[1]
5.10	16 May 2023	[1]
5.9	18 Aug 2022	[1]
5.8	13 Jan 2021	[1]
5.7	8 Jun 2020	[1]
5.6	18 Apr 2019	[1]
5.5	28 Jun 2018	[1]
5.4	28 Dec 2016	[1]
5.3	3 Oct 2016	[1]
5.2	8 Oct 2015	[1]
2011R1	28 Feb 2011	[1]

Sources 1

Nagios XI Changelog retrieved 2026-10-14

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