Disabling Check_MK service discovery

CMK version: RAW
OS version: Debian 12

Error message:

Screenshot 2025-01-27 091015

So I want to disable that service from a lot of hosts that I don´t have the agent installed. But the instructions I found doesn´t work at all:

  • In your ‘Periodic service discovery’ rule, under the hosts parameter add the hostnames you DONT want to have this rule apply to and then select the negate checkbox.
  • Add a disabled services rule, and specify the Check_MK Discovery as the service name and the relevant hostnames under hosts.

Thanks for the replies.

Hi magarpol,

first what comes to my mind is to change config of the host.
Open host-properties and go to Monitoring-Agents → Checkmk agent / API integrations.
Change this value to “No API integrations, no Checkmk agent”.

That’s like an external view onto the system, like PING and stuff.
Hope that helps.

Regards
Benjamin

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The host discovery depends on the Host setting, if you want to disable the discovery just update the host setting with “no CheckMK Agent”

For example:

This will more or less result in a ping only check.

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Thanks! that did the trick! Problem can be closed, have a nice day!

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