Download Archive
A sensible set of older versions of Checkmk can be found here.
In the version compatibility matrix, by selecting the right version in the drop-down, you can find which distributions were supported in a version.
2.4.0b2
3/25/2025
3/25/2025
beta
NOTE: This is a BETA version of our upcoming new major release. It is not advised to upgrade your production environment to this version.
2.4.0b1
3/18/2025
3/18/2025
beta
NOTE: This is a BETA version of our upcoming new major release. It is not advised to upgrade your production environment to this version.
2.3.0p14
9/2/2024
9/2/2024
!
Please note that in case you are updating from 2.2.0pX, first update to 2.3.0p12 and make sure to resolve all findings in the pre-flight check before updating to a newer 2.3.0 patch release.
2.3.0p13
8/20/2024
8/20/2024
!
Please note that in case you are updating from 2.2.0pX, first update to 2.3.0p12 and make sure to resolve all findings in the pre-flight check before updating to a newer 2.3.0 patch release.
2.3.0p8
7/2/2024
7/2/2024
!
Please note that some buttons do not work in 2.3.0p8. This has been fixed in version 2.3.0p9.
2.2.0p29
7/2/2024
7/2/2024
!
Please note that some buttons do not work in 2.2.0p29. his has been fixed in version 2.2.0p30.
2.2.0p24
3/20/2024
3/20/2024
!
Please note that 2.2.0p24 has an issue with Oracle monitoring affecting windows and linux databases. An exploitable vulnerability was closed leading to a non-functional monitoring of Oracle databases. We are working on a fix and expect a new version to be released in calendar week 15. Visit https://forum.checkmk.com/t/hotfix-mk-oracle-for-2-2-0p24-and-2-1-0p41 for more information.
2.2.0p19
1/18/2024
1/18/2024
!
Please note that in 2.2.0p19 SNMP trap translation in the Event Console is affected by a regression and thus not working properly.
2.2.0p18
1/10/2024
1/10/2024
!
Please note that 2.2.0p18 has an issue with the Event Console. If you are using the Event Console, we recommend to wait for 2.2.0p20. Events might not be processed after an update. Please execute and apply two (dummy) config changes to reenable events processing. Subsequently, to apply a config change, you have to reload the EC another time after an activate changes to apply the latest config. If you are using MKP'ed rule packs, these rule packs might cause issues in the Event Console.
2.1.0p41
3/20/2024
3/20/2024
!
Please note that 2.1.0p41 has an issue with Oracle monitoring affecting windows and linux databases. An exploitable vulnerability was closed leading to a non-functional monitoring of Oracle databases. We are working on a fix and expect a new version to be released in calendar week 15. Visit https://forum.checkmk.com/t/hotfix-mk-oracle-for-2-2-0p24-and-2-1-0p41 for more information.
2.1.0p23
3/3/2023
3/3/2023
!
This version breaks the agent receiver on IPv4-only Checkmk servers which have completely disabled IPv6 support on kernel level.This prevents host registration (cmk-agent-ctl register) and registration status queries (cmk-agent-ctl status). The issue will be fixed with the next patch release.
2.1.0p7
7/19/2022
7/19/2022
!
Please note that 2.1.0p7 has an issue in the service discovery page when trying to enable or disable services.We are working on a fix and will release a fixed version shortly.
Note: Please keep in mind that a downgrade of Checkmk 1.6 to older versions is not possible.As of firmware version 1.4.0 you need the 1.4+ package of Checkmk. For appliances with older firmware versions, please use the <1.4 package.
As of firmware version 1.4.0 you need the 1.4+ package of Checkmk. For appliances with older firmware versions, please use the <1.4 package.
As of firmware version 1.4.0 you need the 1.4+ package of Checkmk. For appliances with older firmware versions, please use the <1.4 package.
As of firmware version 1.3.0 you need the 64-bit package of Checkmk. For appliances with older firmware versions, please use the 32-bit package.As of firmware version 1.4.0 you need the 1.4+ package of Checkmk. For appliances with older firmware versions, please use the <1.4 package.
1.7.9
2/27/2025
2/27/2025
1.7.8
12/9/2024
12/9/2024
1.7.7
11/4/2024
11/4/2024
1.7.6
10/7/2024
10/7/2024
1.7.5
9/5/2024
9/5/2024
1.7.4
7/17/2024
7/17/2024
1.7.3
7/4/2024
7/4/2024
1.7.2
5/31/2024
5/31/2024
1.7.1
5/3/2024
5/3/2024
1.7.0
4/21/2024
4/21/2024
1.6.9
4/17/2024
4/17/2024
1.6.8
12/7/2023
12/7/2023
1.6.7
11/6/2023
11/6/2023
1.6.6
9/27/2023
9/27/2023
1.6.5
7/18/2023
7/18/2023
1.6.4
4/18/2023
4/18/2023
1.6.3
3/13/2023
3/13/2023
1.6.2
3/7/2023
3/7/2023
!
Users, that use network interface bonding: Please stick to 1.5.x, as we discovered a regression of the bonding mechanism in 1.6.x releases. We are working towards a solution and will remove this warning as soon as the situation is resolved.
1.6.1
2/9/2023
2/9/2023
!
Important: Users of the rack4+ (end 2022/2023 model): Please stick to 1.5.x for the moment. We found hardware specific issues which we will fix with 1.6.2.Users, that use network interface bonding: Please stick to 1.5.x, as we discovered a regression of the bonding mechanism in 1.6.x releases. We are working towards a solution and will remove this warning as soon as the situation is resolved.
1.6.0
12/12/2022
12/12/2022
!
Important: Users of the rack4+ (end 2022/2023 model): Please stick to 1.5.x for the moment. We found hardware specific issues which we will fix with 1.6.2.Users, that use network interface bonding: Please stick to 1.5.x, as we discovered a regression of the bonding mechanism in 1.6.x releases. We are working towards a solution and will remove this warning as soon as the situation is resolved.
1.5.5
11/16/2022
11/16/2022
1.5.4
7/19/2022
7/19/2022
1.5.3
7/4/2022
7/4/2022
1.5.2
6/23/2022
6/23/2022
1.5.1
5/19/2022
5/19/2022
1.5.0
5/16/2022
5/16/2022
1.4.19
4/27/2022
4/27/2022
1.4.18
2/14/2022
2/14/2022
1.4.17
11/8/2021
11/8/2021
1.4.16
7/22/2021
7/22/2021
1.4.15
4/27/2021
4/27/2021
1.4.13
1/28/2021
1/28/2021
1.4.11
12/10/2020
12/10/2020
1.4.10
12/2/2020
12/2/2020
1.4.9
10/5/2020
10/5/2020
1.4.8
4/3/2020
4/3/2020
!
Important: If you want to update to this version, you have to install at least version 1.3.7 before. This version is not compatible with the Checkmk rail1.
1.4.5
n/a
n/a
1.4.4
12/17/2018
12/17/2018
!
Important: If you want to update to this version, you have to install at least version 1.3.7 before. This version is not compatible with the Checkmk rail1.
1.4.0
4/10/2018
4/10/2018
!
Important: If you want to update to this version, you have to install at least version 1.3.7 before. This version is not compatible with the Checkmk rail1.
1.3.20
4/6/2018
4/6/2018
!
Important: If you want to update to this version, you have to install at least version 1.3.7 before. This version is not compatible with the Checkmk rail1.
1.3.11
2/9/2017
2/9/2017
!
Important: If you want to update to this version, you have to install at least version 1.3.7 before. This version is not compatible with the Checkmk rail1.
1.3.7
9/13/2016
9/13/2016
!
Important: If you want to update to this version, you have to install at least version 1.2.1 before. This version is not compatible with the Checkmk rail1.
1.2.1
10/14/2015
10/14/2015
By downloading Checkmk you agree to the End User License Agreement and General Terms & Conditions applicable to your Checkmk Edition, accessible at https://checkmk.com/legal. You also agree to the Checkmk export control regulations, in particular you will not pass on the software to persons or companies based in Iran, Crimea, Cuba, North Korea, Russia, Sudan, and Syria.