Proxmox Cluster not finding any services

CMK version: 2.0.0p33
OS version: Debian GNU/Linux 11 (bullseye)

Error message: Could not find any service for your cluster. You first need to specify which services of your nodes shal be added to the cluster. This is done using the Clustered services ruleset.

Hi everyone,

I have a Proxmox cluster with 4 hypervisors running. I have installed the Linux Agent on all 4 servers and configured the API integration. All 4 hosts find all services from the agent and the API integration. I have followed the tutorial at Effizientes Proxmox-Monitoring mit Checkmk | Checkmk strictly and checked if every setting is correct according to the blog post. I have created the cluster, but it does not find any services and shows just the error stated above. The cluster just has two entries in the ‘Services of host’ page: Check_MK Discovery (OK) and PING (UNKN) with message “check_icmp: No hosts to check”.

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