Mk_inventory data is not received by central monitoring site

CMK version: 2.2.0p21 (MSP-edition)
OS version: Windows Server 2022 Datacenter

Error message: no error message

Description: I want to check os versions of all our hosts. We have about 600 hosts in our distributed monitoring. About 140 hosts are working, after receiving the mk_inventory plugin through the agent updater. Other hosts had to receive the plugin manually. Now one of the not-working hosts look like this in my view:


→ No inventory data

Some other hosts of the same customer remote site are working:

Output of “cmk --debug -vvn hostname”: (If it is a problem with checks or plugins)

Checkmk version 2.2.0p21
+ FETCHING DATA
  Source: SourceInfo(hostname='<redacted>', ipaddress='192.168.0.6', ident='agent', fetcher_type=<FetcherType.TCP: 8>, source_type=<SourceType.HOST: 1>)
[cpu_tracking] Start [7f017f4b52d0]
Read from cache: AgentFileCache(<redacted>, path_template=/omd/sites/<redacted>/tmp/check_mk/cache/{hostname}, max_age=MaxAge(checking=0, discovery=90.0, inventory=90.0), simulation=False, use_only_cache=False, file_cache_mode=6)
Not using cache (Too old. Age is 35 sec, allowed is 0 sec)
[TCPFetcher] Execute data source
Connecting via TCP to 192.168.0.6:6556 (10.0s timeout)
Detected transport protocol: TransportProtocol.PLAIN (b'<<')
Reading data from agent
Closing TCP connection to 192.168.0.6:6556
Write data to cache file /omd/sites/<redacted>/tmp/check_mk/cache/<redacted>
Trying to acquire lock on /omd/sites/<redacted>/tmp/check_mk/cache/<redacted>
Got lock on /omd/sites/<redacted>/tmp/check_mk/cache/<redacted>
Releasing lock on /omd/sites/<redacted>/tmp/check_mk/cache/<redacted>
Released lock on /omd/sites/<redacted>/tmp/check_mk/cache/<redacted>
[cpu_tracking] Stop [7f017f4b52d0 - Snapshot(process=posix.times_result(user=0.0, system=0.010000000000000009, children_user=0.0, children_system=0.0, elapsed=1.1900000013411045))]
  Source: SourceInfo(hostname='<redacted>', ipaddress='192.168.0.6', ident='piggyback', fetcher_type=<FetcherType.PIGGYBACK: 4>, source_type=<SourceType.HOST: 1>)
[cpu_tracking] Start [7f017e984790]
Read from cache: NoCache(<redacted>, path_template=/dev/null, max_age=MaxAge(checking=0.0, discovery=0.0, inventory=0.0), simulation=False, use_only_cache=False, file_cache_mode=1)
[PiggybackFetcher] Execute data source
No piggyback files for '<redacted>'. Skip processing.
No piggyback files for '192.168.0.6'. Skip processing.
[cpu_tracking] Stop [7f017e984790 - Snapshot(process=posix.times_result(user=0.0, system=0.0, children_user=0.0, children_system=0.0, elapsed=0.0))]
+ PARSE FETCHER RESULTS
<<<check_mk>>> / Transition NOOPParser -> HostSectionParser
<<<cmk_agent_ctl_status:sep(0)>>> / Transition HostSectionParser -> HostSectionParser
<<<wmi_cpuload:sep(124)>>> / Transition HostSectionParser -> HostSectionParser
<<<uptime>>> / Transition HostSectionParser -> HostSectionParser
<<<mem>>> / Transition HostSectionParser -> HostSectionParser
<<<fileinfo:sep(124)>>> / Transition HostSectionParser -> HostSectionParser
<<<df:sep(9)>>> / Transition HostSectionParser -> HostSectionParser
<<<winperf_phydisk>>> / Transition HostSectionParser -> HostSectionParser
<<<winperf_if>>> / Transition HostSectionParser -> HostSectionParser
<<<winperf_processor>>> / Transition HostSectionParser -> HostSectionParser
<<<services>>> / Transition HostSectionParser -> HostSectionParser
<<<logwatch>>> / Transition HostSectionParser -> HostSectionParser
<<<dotnet_clrmemory:sep(124)>>> / Transition HostSectionParser -> HostSectionParser
<<<ps:sep(9)>>> / Transition HostSectionParser -> HostSectionParser
Transition HostSectionParser -> NOOPParser
<<<dmidecode:sep(0)>>> / Transition NOOPParser -> HostSectionParser
<<<cmk_update_agent_status:cached(1707466547,900):sep(0)>>> / Transition HostSectionParser -> HostSectionParser
<<<windows_updates:cached(1707466494,14400)>>> / Transition HostSectionParser -> HostSectionParser
Transition HostSectionParser -> NOOPParser
<<<systemtime>>> / Transition NOOPParser -> HostSectionParser
Using persisted section SectionName('win_cpuinfo')
Using persisted section SectionName('win_os')
Using persisted section SectionName('win_bios')
Using persisted section SectionName('win_system')
Using persisted section SectionName('win_computersystem')
Using persisted section SectionName('win_disks')
Using persisted section SectionName('win_video')
Using persisted section SectionName('win_networkadapter')
Using persisted section SectionName('win_ip_r')
Using persisted section SectionName('win_wmi_software')
Using persisted section SectionName('win_wmi_updates')
Using persisted section SectionName('win_reg_uninstall')
  HostKey(hostname='<redacted>', source_type=<SourceType.HOST: 1>)  -> Add sections: ['check_mk', 'cmk_agent_ctl_status', 'cmk_update_agent_status', 'df', 'dmidecode', 'dotnet_clrmemory', 'fileinfo', 'logwatch', 'mem', 'ps', 'services', 'systemtime', 'uptime', 'win_bios', 'win_computersystem', 'win_cpuinfo', 'win_disks', 'win_ip_r', 'win_networkadapter', 'win_os', 'win_reg_uninstall', 'win_system', 'win_video', 'win_wmi_software', 'win_wmi_updates', 'windows_updates', 'winperf_if', 'winperf_phydisk', 'winperf_processor', 'wmi_cpuload']
  HostKey(hostname='<redacted>', source_type=<SourceType.HOST: 1>)  -> Add sections: []
Received no piggyback data
[cpu_tracking] Start [7f017ea2c150]
value store: synchronizing
Trying to acquire lock on /omd/sites/<redacted>/tmp/check_mk/counters/<redacted>
Got lock on /omd/sites/<redacted>/tmp/check_mk/counters/<redacted>
value store: loading from disk
Releasing lock on /omd/sites/<redacted>/tmp/check_mk/counters/<redacted>
Released lock on /omd/sites/<redacted>/tmp/check_mk/counters/<redacted>
CPU utilization      Total CPU (10 min average): 28.66%
Check_MK Agent       Version: 2.2.0p14, OS: windows, TLS is not activated on monitored host (see details), Last update: Feb 05 2024 13:45:06
Filesystem C:/       Used: 37.87% - 30.0 GiB of 79.3 GiB, trend per 1 day 0 hours: +15.6 MiB, trend per 1 day 0 hours: +0.02%, Time left until disk full: 8 years 322 days
Memory               RAM: 93.04% - 3.72 GiB of 4.00 GiB, 30 min average: 91.86% (3.67 GiB), Commit charge: 64.39% - 4.99 GiB of 7.75 GiB, 30 min average: 64.13% (4.97 GiB)
Service DFSR         DFS-Replikation: running (start type is auto)
Service DNS          DNS-Server: running (start type is auto)
Service Dfs          DFS-Namespace: running (start type is auto)
Uptime               Up since Dec 15 2023 03:55:24, Uptime: 56 days 5 hours
+ EXECUTING INVENTORY PLUGINS
 allnet_ip_sensoric: skipped (no data)
 allnet_ip_sensoric: skipped (no data)
 aruba_wlc_aps: skipped (no data)
 aruba_wlc_aps: skipped (no data)
 check_mk: ok
 check_mk: skipped (no data)
 checkmk_agent_plugins: skipped (no data)
 checkmk_agent_plugins: skipped (no data)
 cisco_meraki_org_device_info: skipped (no data)
 cisco_meraki_org_device_info: skipped (no data)
 dell_hw_info: skipped (no data)
 dell_hw_info: skipped (no data)
 docker_node_info: skipped (no data)
 docker_node_info: skipped (no data)
 esx_systeminfo: skipped (no data)
 esx_systeminfo: skipped (no data)
 fireeye_sys_status: skipped (no data)
 fireeye_sys_status: skipped (no data)
 fritz: skipped (no data)
 fritz: skipped (no data)
 hp_proliant_da_phydrv: skipped (no data)
 hp_proliant_da_phydrv: skipped (no data)
 hp_proliant_mem: skipped (no data)
 hp_proliant_mem: skipped (no data)
 hp_proliant_systeminfo: skipped (no data)
 hp_proliant_systeminfo: skipped (no data)
 ibm_mq_channels: skipped (no data)
 ibm_mq_channels: skipped (no data)
 ibm_mq_managers: skipped (no data)
 ibm_mq_managers: skipped (no data)
 ibm_mq_queues: skipped (no data)
 ibm_mq_queues: skipped (no data)
 infoblox_osinfo: skipped (no data)
 infoblox_osinfo: skipped (no data)
 infoblox_systeminfo: skipped (no data)
 infoblox_systeminfo: skipped (no data)
 inv_cisco_vlans: skipped (no data)
 inv_cisco_vlans: skipped (no data)
 inv_esx_vsphere_hostsystem: skipped (no data)
 inv_esx_vsphere_hostsystem: skipped (no data)
 inv_if: ok
 inv_if: skipped (no data)
 aix_baselevel: skipped (no data)
 aix_baselevel: skipped (no data)
 aix_lparstat_inventory: skipped (no data)
 aix_lparstat_inventory: skipped (no data)
 aix_packages: skipped (no data)
 aix_packages: skipped (no data)
 aix_service_packs: skipped (no data)
 aix_service_packs: skipped (no data)
 azure_load_balancer: skipped (no data)
 azure_load_balancer: skipped (no data)
 inventory_checkmk: skipped (no data)
 inventory_checkmk: skipped (no data)
 checkpoint_vpn_tunnels: skipped (no data)
 checkpoint_vpn_tunnels: skipped (no data)
 citrix_controller: skipped (no data)
 citrix_controller: skipped (no data)
 citrix_state: skipped (no data)
 citrix_state: skipped (no data)
 couchbase_nodes_ports: skipped (no data)
 couchbase_nodes_ports: skipped (no data)
 dmidecode: ok
 dmidecode: skipped (no data)
 docker_container_labels: skipped (no data)
 docker_container_labels: skipped (no data)
 docker_container_network: skipped (no data)
 docker_container_network: skipped (no data)
 inventory_docker_container_node_name: skipped (no data)
 inventory_docker_container_node_name: skipped (no data)
 docker_node_images: skipped (no data)
 docker_node_images: skipped (no data)
 docker_node_network: skipped (no data)
 docker_node_network: skipped (no data)
 enviromux_micro_information: skipped (no data)
 enviromux_micro_information: skipped (no data)
 inventory_esx_vsphere_clusters: skipped (no data)
 inventory_esx_vsphere_clusters: skipped (no data)
 inventory_esx_vsphere_virtual_machines: skipped (no data)
 inventory_esx_vsphere_virtual_machines: skipped (no data)
 fortiauthenticator_system: skipped (no data)
 fortiauthenticator_system: skipped (no data)
 fortigate_ha: skipped (no data)
 fortigate_ha: skipped (no data)
 fortimail_system: skipped (no data)
 fortimail_system: skipped (no data)
 fortinet_firewall_network_interfaces: skipped (no data)
 fortinet_firewall_network_interfaces: skipped (no data)
 fortisandbox_software: skipped (no data)
 fortisandbox_software: skipped (no data)
 fortisandbox_system: skipped (no data)
 fortisandbox_system: skipped (no data)
 ipmi_firmware: skipped (no data)
 ipmi_firmware: skipped (no data)
 k8s_service_info: skipped (no data)
 k8s_service_info: skipped (no data)
 kube_cluster: skipped (no data)
 kube_cluster: skipped (no data)
 kube_cronjob: skipped (no data)
 kube_cronjob: skipped (no data)
 kube_daemonset: skipped (no data)
 kube_daemonset: skipped (no data)
 kube_deployment: skipped (no data)
 kube_deployment: skipped (no data)
 kube_namespace: skipped (no data)
 kube_namespace: skipped (no data)
 kube_node: skipped (no data)
 kube_node: skipped (no data)
 kube_pod: skipped (no data)
 kube_pod: skipped (no data)
 kube_statefulset: skipped (no data)
 kube_statefulset: skipped (no data)
 lnx_block_devices: skipped (no data)
 lnx_block_devices: skipped (no data)
 lnx_ip_r: skipped (no data)
 lnx_ip_r: skipped (no data)
 lnx_packages: skipped (no data)
 lnx_packages: skipped (no data)
 lnx_sysctl: skipped (no data)
 lnx_sysctl: skipped (no data)
 lnx_video: skipped (no data)
 lnx_video: skipped (no data)
 mobileiron_inventory: skipped (no data)
 mobileiron_inventory: skipped (no data)
 mssql_clusters: skipped (no data)
 mssql_clusters: skipped (no data)
 oracle_systemparameter: skipped (no data)
 oracle_systemparameter: skipped (no data)
 primekey: skipped (no data)
 primekey: skipped (no data)
 snmp_extended_info: skipped (no data)
 snmp_extended_info: skipped (no data)
 solaris_addresses: skipped (no data)
 solaris_addresses: skipped (no data)
 solaris_pkginfo: skipped (no data)
 solaris_pkginfo: skipped (no data)
 solaris_cpus: skipped (no data)
 solaris_cpus: skipped (no data)
 solaris_routes: skipped (no data)
 solaris_routes: skipped (no data)
 statgrab_net: skipped (no data)
 statgrab_net: skipped (no data)
 win_bios: ok
 win_bios: skipped (no data)
 win_disks: ok
 win_disks: skipped (no data)
 win_exefiles: skipped (no data)
 win_exefiles: skipped (no data)
 win_ip_r: ok
 win_ip_r: skipped (no data)
 win_networkadapter: ok
 win_networkadapter: skipped (no data)
 win_reg_uninstall: ok
 win_reg_uninstall: skipped (no data)
 win_video: ok
 win_video: skipped (no data)
 win_wmi_software: ok
 win_wmi_software: skipped (no data)
 win_wmi_updates: ok
 win_wmi_updates: skipped (no data)
 juniper_info: skipped (no data)
 juniper_info: skipped (no data)
 k8s_pod_container: skipped (no data)
 k8s_pod_container: skipped (no data)
 lnx_cpuinfo: skipped (no data)
 lnx_cpuinfo: skipped (no data)
 lnx_distro: skipped (no data)
 lnx_distro: skipped (no data)
 lnx_if: skipped (no data)
 lnx_if: skipped (no data)
 lnx_uname: skipped (no data)
 lnx_uname: skipped (no data)
 lparstat_aix: skipped (no data)
 lparstat_aix: skipped (no data)
 mem: ok
 mem: skipped (no data)
 mem_used: skipped (no data)
 mem_used: skipped (no data)
 mssql_instance: skipped (no data)
 mssql_instance: skipped (no data)
 netapp_api_disk: skipped (no data)
 netapp_api_disk: skipped (no data)
 netapp_api_info: skipped (no data)
 netapp_api_info: skipped (no data)
 netapp_ontap_disk: skipped (no data)
 netapp_ontap_disk: skipped (no data)
 netapp_ontap_info: skipped (no data)
 netapp_ontap_info: skipped (no data)
 oracle_dataguard_stats: skipped (no data)
 oracle_dataguard_stats: skipped (no data)
 oracle_instance: skipped (no data)
 oracle_instance: skipped (no data)
 oracle_performance: skipped (no data)
 oracle_performance: skipped (no data)
 oracle_recovery_area: skipped (no data)
 oracle_recovery_area: skipped (no data)
 oracle_tablespaces: skipped (no data)
 oracle_tablespaces: skipped (no data)
 perle_chassis: skipped (no data)
 perle_chassis: skipped (no data)
 perle_chassis_slots: skipped (no data)
 perle_chassis_slots: skipped (no data)
 perle_psmu: skipped (no data)
 perle_psmu: skipped (no data)
 prtconf: skipped (no data)
 prtconf: skipped (no data)
 snmp_quantum_storage_info: skipped (no data)
 snmp_quantum_storage_info: skipped (no data)
 snmp_info: skipped (no data)
 snmp_info: skipped (no data)
 solaris_prtdiag: skipped (no data)
 solaris_prtdiag: skipped (no data)
 solaris_uname: skipped (no data)
 solaris_uname: skipped (no data)
 suseconnect: skipped (no data)
 suseconnect: skipped (no data)
 win_computersystem: ok
 win_computersystem: skipped (no data)
 win_cpuinfo: ok
 win_cpuinfo: skipped (no data)
 win_os: ok
 win_os: skipped (no data)
 win_system: ok
 win_system: skipped (no data)
 winperf_if: ok
 winperf_if: skipped (no data)
No piggyback files for '<redacted>'. Skip processing.
No piggyback files for '192.168.0.6'. Skip processing.
[cpu_tracking] Stop [7f017ea2c150 - Snapshot(process=posix.times_result(user=0.009999999999999787, system=0.010000000000000009, children_user=0.0, children_system=0.0, elapsed=0.009999997913837433))]
[agent] Success, [piggyback] Success (but no data found for this host), execution time 1.2 sec | execution_time=1.200 user_time=0.010 system_time=0.020 children_user_time=0.000 children_system_time=0.000 cmk_time_agent=1.180

As I can see in this debug, win_os, win_cpuinfo, etc. is ok but also duplicated with no data? Why?
If any more information is needed, just let me know.

Kind Regards
Stavros

Also, when I use “check_mk_agent.exe test” on the system itself, I get some of the required output:

However on the central site page “Test connection to ”, I cannot see this output in the “agent” section.
I only see the default stuff like

<<<cmk_agent_ctl_status:sep(0)>>>,
<<<uptime>>>,
<<<wmi_cpuload:sep(124)>>>

etc.
but no <<<win_os..>>>

(Push) Any help would be greatly appreciated!