Latest Troubleshooting topics

Topic	Replies	Views	Activity
Troubleshooting FAQ This is a Wiki topic for troubleshooting Checkmk. Feel free to contribute! Template for troubleshooting posts Here is the post template that you can use to make your issue clearer to everyone. Just edit out the sample p…	1	5061	October 31, 2019
About the Troubleshooting category	3	1782	October 30, 2019
New automatic registration of agent updater not working	5	93	May 30, 2026
Critical CVE in checkmk 2.5.0 docker image docker	14	235	May 29, 2026
Error while saving ruled	1	23	May 29, 2026
Volume /var/lib/docker not showing in GUI, but in the agent output docker	0	8	May 29, 2026
Custom special agent not able to call file in libexec folder	7	26	May 29, 2026
Service Check Timed Out logwatch	0	16	May 29, 2026
New AVTech Room Alert 3s Plugin No Services Discovered checkmk-v2 , plugin , checkmk-v2-1	6	62	May 28, 2026
Possible regression after update to 2.4.0p30: use_new_descriptions_for expected as dict but distributed site still has list checkmk-v2-4 , checkmk-raw	4	36	May 28, 2026
Systemd Service Summary is reporting too long times for activating or reloading a systemd service checkmk-v2-3 , checkmk-raw	5	257	May 28, 2026
Notifications from check_http2 are missing ~ in URLs checkmk-raw	1	23	May 28, 2026
How to restrict autodiscovery to hosts with DNS entry checkmk-raw	7	83	May 28, 2026
Some Lists of Menu-Items are cut-off horizontally in 2.5 checkmk-raw	6	83	May 28, 2026
Unable to interact with Checkmk web UI from a remote browser checkmk-raw	0	21	May 28, 2026
Agent_proxmox_ve breaks checkmk 2.5.0 when no subscription is present proxmox	23	257	May 28, 2026
Updated to 2.5.0p2 - Parsing of section qmail_stats/iis_app_pool_state failed checkmk-enterprise , robotmk	4	58	May 28, 2026
SMB Share fileinfo check from VM checkmk-enterprise	0	23	May 27, 2026
SNMP Discovery failure (badValue) checkmk-v2-1 , checkmk-v2	0	17	May 27, 2026
Agent exited with code 1: could not convert string to float: '' checkmk-raw	1	63	May 26, 2026
“Unknown password type.” when trying to add AWS S3 Backup Target.	2	45	May 26, 2026
After Upgrade to 2.5.0p2 - Site starts, but can not activate pending changes	3	52	May 26, 2026
Upgrade 2.3.0p45 -> 2.4.0p24 results in errors on activation checkmk-v2 , checkmk-raw	9	139	May 22, 2026
Windows agents not updating after 2.5.0p3 update	1	67	May 22, 2026
"cmk -N" not working in 2.5 checkmk-v2-5	4	111	May 22, 2026
Unable to delete site and omd service fails due to incompatible dist-upgrade checkmk-v2-1	4	51	May 21, 2026
Apc_symmetra: "runtime" metric scaled wrong in graph since 2.5.0 (factor 60) notifications , checkmk-v2-2	1	22	May 21, 2026
SNMP monitor Huawei switch unable to fetch the CPU/ Memory	8	196	May 21, 2026
Fatal error while creating a folder with Ansible checkmk-v2-2 , checkmk-appliance , ansible	2	44	May 21, 2026
Problen with 'Network interface and switch port discovery' checkmk-v2-1 , checkmk-v2-2	6	49	May 21, 2026

Troubleshooting FAQ

This is a Wiki topic for troubleshooting Checkmk. Feel free to contribute! Template for troubleshooting posts Here is the post template that you can use to make your issue clearer to everyone. Just edit out the sample p…