[Release] Checkmk stable release 2.0.0p12

Dear friends of Checkmk,

the new stable release 2.0.0p12 of Checkmk is ready for download.

This maintenance release ships with 51 changes affecting all editions of Checkmk,
6 Enterprise Edition specific changes and 0 Managed Services Edition specific changes.

Changes in all Checkmk Editions:

Checks & agents:

  • 13046 Add SNMP support for Extreme SLX9640
  • 13044 Add support for Stormshield appliance >= 3.7.18
  • 13224 DEV: make legacy includes packageable
  • 13347 FIX: check_sftp: Fix command line argument for private key
  • 13346 FIX: logwatch_ec: Fix crash with KeyError in cluster mode
  • 13210 FIX: oracle_rman: Fix ValueError(“cannot render negative timespan”)
  • 13208 FIX: qmail_stats: Check for /var/qmail/bin/qmail-qstat
  • 13223 FIX: Agent vSphere: Fix time offset error for ‘systemtime’ service
  • 12330 FIX: Disable Windows agent mail API tracing
  • 12331 FIX: Disable quick Python reinstall for Windows agent
  • 13216 FIX: Discovery: Errors or service UNKNOWN for timespecific parameters
  • 13043 FIX: F5-Cluster: Interpretation of failover cluster states
  • 11813 FIX: Make async sections of mk_oracle.ps1 working
  • 13221 FIX: OMD apache status metrics have different titles now
  • 13163 FIX: UCS Bladecenter: Fixed “ValueError (not enough values to unpack (expected 2, got 1))”
  • 13336 FIX: Windows Services works if Services states has no elements
  • 13218 FIX: Wrongfully applied parameters for clusters
  • 13219 FIX: Wrongfully applied rules for logwatch reclassify patterns
  • 13366 FIX: agent_aws: Add option to use password store in proxy settings
  • 13165 FIX: check_dns: Act case-insensitive
  • 13042 FIX: check_mail_loop: respect --debug
  • 13306 FIX: mk_docker.py: Improve error reporting when executed asynchronously
  • 13045 FIX: mk_redis: always check all instances
  • 13041 FIX: mtr agent plugin: fix multiple issues
  • 13225 FIX: netapp_api_fcp: “Transform failed” during cmk-update-config
  • 13252 FIX: netapp_api_vs_traffic services become PENDING if time correspondent does not change
  • 13214 FIX: real-time-checks: systemd compatibility
  • 13164 FIX: ucs_bladecenter: Fixed “KeyError: <PC_NAME>”
  • 13166 FIX: ucs_c_rack_server_power: Fixed "KeyError: ‘consumedPower’
  • 13040 FIX: prefer ucd_mem over hr_mem in case of ironport 14
    NOTE: Please refer to the migration notes!

Core & setup:

  • 13160 FIX: Change key_id parameter to key fingerprint for REST API agent endpoints
  • 13047 FIX: RESTAPI: fix agent information and agent download

Reporting & availability:

  • 13327 FIX: Graph images: use a consistent position for the graph time range


  • 13276 FIX: Distributed setup: Prevent timeouts during synchronization
  • 13240 FIX: Fix disabling of vanished services in service discovery

Site management:

  • 12665 FIX: OMD: Fix potential performance issue when system wide LDAP authorization is enabled

User interface:

  • 13326 FIX: Add missing colors to the state column of active checks in the service discovery
  • 13329 FIX: Add missing state colors in analyze configuration
  • 13154 FIX: BI visualization: fix links in the context menus of nodes
  • 13153 FIX: BI visualization: fix undo/redo and interactive resizing
  • 13249 FIX: Fix KeyError on view opening if permission “History” is missing
  • 13368 FIX: Fix bulk discovery on hosts imported from CSV in folder
  • 13248 FIX: Fix empty BI sidebar snapins
  • 13245 FIX: Fix error on editing labels in rule conditions
  • 13246 FIX: Fix label input fields only searched for labels beginning with search string
  • 13247 FIX: Fix user logout on remote sites while activating changes
  • 13369 FIX: License usage: Fix invalid period error if exactly one year is entered
  • 13155 FIX: Network topology and BI visualization: fix search menu
  • 12855 FIX: Raw Edition: Remove artifacts of old CRE graphing GUI
  • 13244 FIX: wut_webio: Fix AssertionError on rules page
  • 13250 FIX: LDAP: Fix attribute sync for roles and groups if OpenLDAP is used
    NOTE: Please refer to the migration notes!

Changes in the Checkmk Enterprise Edition:

Agent bakery:

  • 11815 Bakery plugin for Windows Oracle Monitoring

Checks & agents:

  • 12696 Let the core helpers time out
  • 12329 FIX: db2_mem rulespec is correctly processed by bakery

Core & setup:

  • 12698 FIX: CMC would eat flapping notifications
  • 12697 FIX: Fix problem with removing acknowledgements

Reporting & availability:

  • 13193 SEC: XSS in report editing

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


I can’t select the Free version or the platform and OS versions are missing. Is this new or wanted?


Hi Paul, will take a look on this matter. Will let you know if there’s any info I can share.

Hi Paul,
It’s now available for download on the website :slight_smile:

I guess I was too impatient again :grin:

Many thanks

After waiting a while I still can’t find a free edition docker release for p12. Doesn’t p12 get a docker image?

Only the link is missing i think. If you go to the download archive you can select docker image for p12.

Hey @ColinP,
The problem should be fixed now.
Sorry for the inconvenience.

Hi Trying download notified that ‘Issued certificate has expired.’
(ERROR: cannot verify download.checkmk.com’s certificate, issued by ‘/C=US/O=Let’s Encrypt/CN=R3’:
Issued certificate has expired.)
Best regards

It looks ok here


The Lets Encrypt CA certificates have changed.
You may update your certificate store:

For CentOS7 you need ca-certificates-2021.2.50-72.el7_9-noarch
See CEBA 2021:3649



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