[Release] Checkmk stable release 1.6.0p19

Dear friends of Checkmk,

the new stable release 1.6.0p19 of Checkmk is ready for download.

Changes in all Checkmk Editions:

Checks & agents:

  • 11466 Windows Agent supports environment variables in registry entries
  • 11512 FIX: IPMI Management Board: Fix “Discovery Session no longer connected”
  • 11428 FIX: Label discovery: now able to detect changes in label value, not just label names
  • 11429 FIX: Service Discovery for clusters: no longer removes services on nodes
  • 11625 FIX: Splunk special agent: fix section splunk_jobs
  • 11543 FIX: Wrong handling of ‘None’ values in bonding checks
  • 11514 FIX: fileinfo: Fix service state if minimal, maximal age or minimal, maximal size is reached
  • 11331 FIX: heartbeat_crm: fixed crash when checking pacemaker versions >= 1.1
  • 11516 FIX: msoffice_serviceplans: Fix discovery and checking if plan contains spaces
  • 11515 FIX: prism_containers: Fix evaluation of percentage levels and scale of levels in graphs
  • 11513 FIX: sap_hana_diskusage: Fix scaling of filesystem values in service graphs


  • 11620 FIX: Optional package: Update Cisco Webex Teams notifications to 1.1 (fix issue with timeperiods)

User interface:

  • 11501 SEC: Fix possible XSS using titles of views
  • 11376 FIX: Fixed empty columns for optional long output
  • 11486 FIX: LDAP: Fixed updating of attribute “Disabled Notifications”


  • 11427 WATO: Improved performance on host lookup on various pages
  • 11338 FIX: Fix “Fortigate Active Sessions” ruleset duplicates
  • 11542 FIX: WATO rules for active check check_sql forgets values for SQL queries
  • 11418 FIX: WATO: do not create empty rules.mk files when saving rulesets

Changes in the Checkmk Enterprise Edition:

Core & setup:

  • 11465 FIX: Fixed race condition which may cause crash during start of Microcore
  • 11503 FIX: IPMI management board: Fix UDP file descriptor leak


  • 11502 FIX: Dynamic host configuration: Fix config activation on WATO enabled remote sites

Changes in the Checkmk Managed Services Edition:


You can download Checkmk from our download page:

Please mail bug reports and qualified feedback to feedback@checkmk.com.
We greatly thank you for using Checkmk and wish you a successful monitoring,

Your Checkmk Team