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…	0	5168	October 31, 2019
About the Troubleshooting category	0	1816	September 26, 2019
Mk_oracle.cfg format checkmk-raw	2	63	October 21, 2026
TLS port error in the server end	9	86	October 21, 2026
Frequent coredumps when checkmk fetcher is cleaning up snmp response data checkmk-enterprise , checkmk-v2-5	2	59	October 21, 2026
A help that is not very helpfull	2	60	October 21, 2026
Unable to Migrate or move the Hosts from One site to another	7	163	October 21, 2026
Notifications issue - ignoring send as address in email parameters notifications	2	23	October 20, 2026
Issues with agent bakery not deploying special agents to hosts	3	61	October 20, 2026
Redfish special agent crashes permanently with JSONDecodeError when the session cache file is empty	0	17	October 20, 2026
Notification is not getting generated in checmk 2.4 checkmk-raw	11	89	October 19, 2026
Network Scan occasionally adds "ghost" hosts that never respond to ICMP (race condition in _ping_worker / _ping) bug	1	73	October 19, 2026
SMB/DFS Network Share monitoring results in "Result from smbclient not suitable"	2	27	October 19, 2026
Changing topology_filters for mesh depth in Network Topology does not work correctly	2	44	October 19, 2026
Bug Fix Request: check_mk_agent.openwrt Agent Fails To Collect <<<df>>> Services On OpenWrt devices when waitmax is unavailable kubernetes , docker , checkmk-v2 , proxmox	5	42	October 19, 2026
Checkmk can't auto discovery memory and CPU thru SNMP for Huawei 6700 and 7600 series switches checkmk-raw	3	46	October 19, 2026
Checkmk SMART plugins wake sleeping HDDs — missing standby protection	0	31	October 17, 2026
Ping: invalid option -- 'A'	4	120	October 16, 2026
Can not define condition for monitoring RMAN Backups	3	60	October 15, 2026
Proxmox LXC: mem_linux evaluates host PageTables against container MemTotal checkmk-v2 , proxmox , checkmk-v2-5	2	41	October 15, 2026
CMK Update Site DNS cache button does not work as expected checkmk-v2-1	13	1867	October 14, 2026
Check_asm Agent on DG Standby	3	39	October 14, 2026
Extreme instability after upgrade to 2.5.0 checkmk-raw , checkmk-v2-5	27	376	October 13, 2026
Bug: REST API acknowledgement adds trailing ";" to comment with Nagios core (2.5.0p14) checkmk-raw , rest-api , checkmk-v2-5	0	23	October 13, 2026
Acme Device SNMP Plugin Errors After 2.5 update checkmk-v2 , checkmk-v2-1 , checkmk-v2-2 , checkmk-v2-5	7	133	October 12, 2026
Custom dashboard: graph time range resets after ~30 seconds (no pause icon) checkmk-raw , checkmk-v2 , dashboards	26	181	October 12, 2026
Speed up the processing of files in the notification spooler	3	101	October 12, 2026
Rittal CMC Checks vanish after update to 2.5	9	116	October 12, 2026
Check MK does not user ORACLE Wallet	2	72	October 9, 2026
Service in Unknow state	9	88	October 7, 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…