Werk #19303: checkmk_agent check: Allow customizing the maximum time allowed since last update check

Component	Checks & agents
Title	checkmk_agent check: Allow customizing the maximum time allowed since last update check
Date	Feb 11, 2026
Level	Trivial Change
Class	New Feature
Compatibility	Incompatible - Manual interaction might be required
Checkmk versions & editions	2.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.5.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.4.0p22 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The check "Check_MK Agent" now allows for customizing the thresholds for the maximum time elapsed since the last update check was performed. This was previously internally set to warn after 2 days and was not able to be customized.

As a result of this change, by default the check will continue to warn after 2 days, as before, but will now additionally go to critical state after 30 days.

This can now be customized via the rule set "Checkmk agent installation auditing".

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