Troubleshooting

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	4910	October 31, 2019
About the Troubleshooting category	3	1765	October 30, 2019
Error in plugin checkmk_snmp Value entered is not an OID snmp , checkmk-v2-1	3	25	December 5, 2025
Locked activate when change site in host property bug	2	16	December 5, 2025
BrokenPipeError when details of service get huge (Bug?) checkmk-enterprise	4	77	December 5, 2025
Wrong Service State for cmciii_io plugin / CMC Output Status checkmk-v2-1 , checkmk-v2-2	6	89	December 5, 2025
Hr_fs check is missing disk checkmk-v2-2	3	45	December 5, 2025
HW inventory showing different port states vs IF and port service check	3	15	December 4, 2025
Veeam: Time since last Backup Rule doesn't work (no effect) checkmk-enterprise , checkmk-v2-3	11	413	December 4, 2025
Inline Help Can't be disabled	10	63	December 4, 2025
Lost communication between Checkmk and several hosts where to find the corresponding logs	3	55	December 3, 2025
Host not registered for deployment logwatch	0	17	December 3, 2025
Testing 2.5 ultimatemt edition errors after install	3	53	December 3, 2025
Trouble with extremely long running SNMP tasks with Rittal PDU docker	4	32	December 3, 2025
Unable to download Enterprise version - 401 Unauthorized checkmk-enterprise , docker , checkmk-v2-2	7	95	December 3, 2025
CheckMK docker container runs only for 30 secs after Update base OS checkmk-enterprise , docker	0	18	December 3, 2025
Reporting issues, 20+ hosts are not reported report , checkmk-v2-4 , checkmk-appliance	0	20	December 2, 2025
HOSTPROBLEMID and SERVICEPROBLEMID in RECOVERY notification event have wrong values checkmk-v2-2	0	24	December 2, 2025
Report - Error reading from remote server checkmk-v2-4 , checkmk-appliance	0	17	December 2, 2025
False DOWN/UP notifications notifications	3	61	December 1, 2025
Check_mk service in state CRIT during short periods of time. It affects only snmp devices randomly	2	48	December 1, 2025
No utilization graph available - 'No rate available (time anomaly detected)'	0	24	November 30, 2025
Kubernetes Monitoring Special Agent [piggyback]: Success (but no data found for this host) checkmk-raw , kubernetes	0	24	November 29, 2025
CheckMK Appliance Network not coming up checkmk-enterprise , checkmk-appliance	4	56	November 28, 2025
[BUG] Wrong OID for Fortinet Sandbox CPU Utilization	0	20	November 28, 2025
IndexError('list index out of range')	0	19	November 28, 2025
Cannot greate graph, Assertion Error nach Update auf 2.4.0p16 checkmk-v2-4	1	28	November 27, 2025
After server upgrade the linux agents still showing the old check_mk version checkmk-v2-1 , checkmk-v2-2	8	90	November 27, 2025
Account changed from admin to user itself	2	28	November 27, 2025
Why do i have question mark for certains service notifications? notifications , checkmk-v2-4	10	101	November 26, 2025

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…