This page, the migration notes, only shows incompatible Werks!. You should read them carefuly all listed werks from the version you are updating from till the version you are updating to. Each of the listed werks might require you to take manual actions to make your installation work properly after an update.
If you like to see all changes related to the single releases, please take a look at the list of All Check_MK Werks.

Werks für:Branch:Till:
Show only incompatible werksShow more than 20 versions

Trivial Change Prominent Change Major Change New Feature Bug Fix Security Fix Incompatible

Version 1.6.0i1 (Not yet released)
Tuesday, 13.11.2018
#6903 Checks & Agents: mk_jolokia: CA default for https connection
#6902 Checks & Agents: apache_status: Ignore certificate for localhost
Monday, 12.11.2018
#6417 Notifications: Users may disable notifications by accident after upgrading to 1.5.0
Friday, 09.11.2018
#6416 Notifications: mknotifyd: set a default timeout if no value is given for a method
Wednesday, 07.11.2018
#6871 Agent Bakery: multiple perfcounters were written to same INI line
Thursday, 18.10.2018
#6788 Notifications: Notification spooler: Fixed deserialization of arbitrary input
Tuesday, 09.10.2018
#6412 Checks & Agents: mk_docker_container_piggybacked: don't try to execute the check_mk_agent inside a container if no bash is available
Thursday, 27.09.2018
#6578 Checks & Agents: Agent access config can now be monitored
Tuesday, 25.09.2018
#6605 Checks & Agents: winperf_if: Fixed discovery of network interface alias
Monday, 24.09.2018
#6629 Checks & Agents: jolokia_generic: Make service descriptions consistent with jolokia_metrics
#6662 WATO: Timespecific check parameters: Changed computation algorithm to allow more flexible configurations
Friday, 21.09.2018
#5845 Checks & Agents: fsc checks: prevent fsc_fans and fsc_temp if corresponding fsc_sc2-* data is available, made snmp_scan_functions more readable
Tuesday, 18.09.2018
#6595 Checks & Agents: if.include: Recognize duplicate interface items correctly
Wednesday, 12.09.2018
#6496 Checks & Agents: check_mk_agent.linux: Moved piggybacked docker container sections to plugin 'mk_docker_container_piggybacked'
Friday, 07.09.2018
#6491 Checks & Agents: fortinet_controller_aps: Services disappear because no clients are connected
Thursday, 06.09.2018
#6476 Checks & Agents: apc_symmetra: Fixed transposed default levels for battery capacity
Friday, 31.08.2018
#6407 Checks & Agents: mk_postgres postgres_instances: output missing instance data
Friday, 03.08.2018
#6394 Checks & Agents: winperf_processor: Changed CPU util default levels from 101, 101 percent to 90, 95 percent
Thursday, 02.08.2018
#6210 Checks & Agents: Separate Checkgroups for 3par_capacity, 3par_volume und 3par_cpgs
Wednesday, 25.07.2018
#6380 Checks & Agents: oracle_jobs: Bugfix for auto_drop=TRUE jobs
Tuesday, 24.07.2018
#6127 Checks & Agents: ucd.include: Astaro Firewall is Linux but should use hr_mem
Thursday, 05.07.2018
#6120 Checks & Agents: cisco_nexus_cpu: use the ruleset "CPU utilization for simple devices"
Wednesday, 04.07.2018
#6304 Checks & Agents: sap_hana_filesystem sap_hana_mem: Fixed wrong conversion of filesystem and memory values
Monday, 25.06.2018
#6140 Checks & Agents: mssql_blocked_sessions: This check is now instance aware
Friday, 22.06.2018
#6115 WATO: Use the correct matching behaviour and avoid a crash while baking agents for some agent bakery rules
Wednesday, 30.05.2018
#6188 packages: Dropped fping dependency (Removes check_fping)
Monday, 07.05.2018
#6057 GUI: Changed GUI internal API functions
Wednesday, 18.04.2018
#5801 Checks & Agents: Fixed incorrect check parameter assignment after tabula rasa
Version 1.5.0b1
#5920 Checks & Agents: Windows: use standard file matching patterns for fileinfo
#5777 Checks & Agents: ucs_bladecenter_fans.temp: Made item name unique
#5748 Checks & Agents: cisco_cpu cisco_nexus_cpu: improve snmp_scan_functions
#5706 Checks & Agents: Windows agent: fix endianness of IP addresses
#5744 Event Console: Export of rule packs in MKP packages
#5797 WATO: netapp_api_luns: fixed interchanged free/used names in WATO configuration rule
Version 1.5.0i4 (Not yet released)
Friday, 23.02.2018
#5768 Checks & Agents: sap_hana check plugins are instance aware
Version 1.5.0i3 (Not yet released)
Monday, 22.01.2018
#5698 Checks & Agents: Windows agent: space in MRPE plugin path resulted in wrong plugin name
Thursday, 21.12.2017
#5476 cmc: Fixed notification numbering of periodic notifications
Version 1.5.0i2 (Not yet released)
Wednesday, 27.06.2018
#6116 Checks & Agents: mk_db2.linux: major refactoring of the plugin to solve different issues
Tuesday, 19.12.2017
#5527 Checks & Agents: ucd_mem hr_mem: Prefer ucd_mem check for certain Cisco IronPort models
Friday, 24.11.2017
#5412 Checks & Agents: Windows agent: fix logfile glob patterns without '*' at the end
Version 1.5.0i1 (Not yet released)
Friday, 17.11.2017
#5460 Livestatus: Waiting without a wait condition immediately returns now
Wednesday, 15.11.2017
#5356 Checks & Agents: emcvnx_info,emcvnx_agent: move information from emcvnx_info into subchecks and a agent check
Thursday, 09.11.2017
#5354 Checks & Agents: cmctc_lcp: Fixes an error leading to wrong inventory and check output
Thursday, 26.10.2017
#5351 Checks & Agents: check_http: Use HTTPS instead of HTTP in service description for SSL/TLS connections
Monday, 23.10.2017
#5305 Checks & Agents: check_mk_agent.hpux: Fix hardcoded version in lib path
Thursday, 21.09.2017
#5297 Checks & Agents: dotnet_clrmemory msexch_rpcclientaccess wmi_cpuload: Fixed activate changes because of inconsistent item handling
Tuesday, 19.09.2017
#5292 Checks & Agents: ucs_bladecenter_if: Fixed wrong indexing of single detected interfaces
Wednesday, 06.09.2017
#5185 HW/SW-Inventory: Check_MK HW/SW Inventory: The service was executed too often by default
Tuesday, 25.07.2017
#5042 WATO: Removed export of WATO folder permissions to NagVis
Wednesday, 12.07.2017
#4968 Checks & Agents: f5_bigip_cluster_status_v11_2: Now has its own check plugin file; This updates werk #4819
Monday, 26.06.2017
#4838 Checks & Agents: netapp_api_volumes: No longer shows service descriptions with UUIDs
#4874 Checks & Agents: cisco_power: Improved discovery of power supplies
Tuesday, 13.06.2017
#4819 Checks & Agents: f5_bigip_cluster_status.v11_2: Fixed wrong syntax in naming of the check plugin
Wednesday, 24.05.2017
#4631 Checks & Agents: cisco_ace_rserver: Fix broken IP address parsing
Monday, 15.05.2017
#4661 Checks & Agents: msexch_isstore msexch_isclienttype: Split up check files. Second one needs its own check plugin file if using Nagios core
#4682 WATO: Add permission "Can add or modify executables" to be able to fine tune access rights
#4698 Checks & Agents: netapp_api_volumes: Changed service description for clustermode volumes
Thursday, 11.05.2017
#4644 Checks & Agents: f5_bigip_mem: Improved Memory Check. Now also for TMM
Monday, 24.04.2017
#8287 Checks & Agents: brocade_mlx_power: Added new standard OID for snChasPwrSupply2Table to receive all power supplies in stacked devices
Wednesday, 05.04.2017
#4554 Checks & Agents: cups_queues: Moved agent section into own plugin script
Friday, 24.03.2017
#4527 Checks & Agents: websphere_mq_channels: Now has its own WATO ruleset
Wednesday, 15.03.2017
#4540 Checks & Agents: emcvnx_disks: Thresholds for count of failures can be set now
#4539 Checks & Agents: if_fortigate: transfered if-checks for fortigate devices into own checkplugin
Tuesday, 07.03.2017
#4485 HW/SW-Inventory: Removed uptime and snmp_uptime inventory plugins and other monitoring data from oracle_tablespaces inventory plugin
Friday, 03.03.2017
#8285 Checks & Agents: apache_status: Fixed wrong IPv6 URLs to query the information
Thursday, 02.03.2017
#8664 Checks & Agents: prefer ucd_mem over hr_mem in case of pfSense monitoring
Monday, 27.02.2017
#8758 Checks & Agents: SNMP checks: Fixed cluster node handling
Wednesday, 22.02.2017
#4031 WATO: LVM Volume Groups: fixed broken WATO configuration
Tuesday, 10.01.2017
#4236 Checks & Agents: Removed g_hostname and g_service_description from Check API
Version 1.4.0b1
#4294 Checks & Agents: statgrab_disk: Works now in the same way as other diskstat check plugins
#4005 Checks & Agents: agent_activemq: now able to provide BasicAuth credentials
#4207 Checks & Agents: mk_jolokia: Use configured port as default instance name
#4344 Checks & Agents: lnx_quota: Fixed wrong value calculation and removed performance data
#4335 Checks & Agents: perle check and inventory plugins: some updates and improvements
#4219 Event Console: Trap processing with community "public" is now only default and not accepted in all cases anymore
#4154 Event Console: Do not send notifications if host found and currently in downtime
Version 1.4.0i4 (Not yet released)
Tuesday, 14.02.2017
#4194 Checks & Agents: esx_vsphere_hostsystem.multipath: Fixed grouping of paths
Thursday, 12.01.2017
#4291 Checks & Agents: mk_postgres postgres_instances postgres_bloat postgres_conn_time postgres_connections postgres_locks postgres_query_duration postgres_sessions postgres_stat_database postgres_stats postgres_version: plugin and checks are now instance aware
Version 1.4.0i3
#4099 Checks & Agents: msexch_rpcclientaccess: Previously nonfunctional WATO rule and default parameters now work
#3995 Checks & Agents: skype check: updated perfvariable and metric names, making their purpose more clear
#4094 Checks & Agents: apc_rackpdu_power: now detects all phases or banks connected to this pdu
#3998 Checks & Agents: agent_netapp / netapp_api_if: improved mechanism to collect interface infos. fixes invalid if-speed
#8642 cmc: Reworked logging configuration of the Check_MK Microcore
#8577 cmc: Fixed Livestatus queries for custom_variable_names columns.
Version 1.4.0i2
#8622 Agent Bakery: Agent Bakery: Fix broken deployment of automatic agent updater for Windows
Version 1.4.0i1 (Not yet released)
Thursday, 29.09.2016
#3905 Checks & Agents: barracuda_mailqueues nullmailer_mailq postfix_mailq qmail_stats: these checks now have items, postfix can now monitor multi directories (linux agent)
Friday, 23.09.2016
#3878 Checks & Agents: apc_symmetra: divided into several checks
Friday, 02.09.2016
#3869 Checks & Agents: ipmi: new discovery rule and cleanup
Thursday, 25.08.2016
#3743 Checks & Agents: mk_jolokia: Fix possible code injection
Wednesday, 24.08.2016
#3791 Checks & Agents: f5_bigip_vserver: now reports lots of additional performance data
Monday, 18.07.2016
#3695 Checks & Agents: f5_bigip_cluster_v11: Now WATO configurable
Monday, 04.07.2016
#3693 Checks & Agents: ups_eaton_enviroment: Fixed handling of dictionary-based parameters
Friday, 27.05.2016
#3615 Checks & Agents: if: Convert bandwidth from octets into bits for graph display
Wednesday, 11.05.2016
#3131 Checks & Agents: if64 if64adm: These checks now display the speed of interfaces slower than 1Mbit correctly
Monday, 09.05.2016
#8450 cmc: Fixed separator for modified_attributes_list columns
Wednesday, 20.04.2016
#3418 Notifications: Do not send host notifications if a service group is required
Tuesday, 19.04.2016
#3386 Checks & Agents: AIX agent: Cached local scripts / plugins need to be configured in seconds
Friday, 15.04.2016
#3412 Checks & Agents: stulz_temp: now has readable sensor names and discovers all possible sensors which are connected
Wednesday, 13.04.2016
#3407 Checks & Agents: cisco_mem_asa64: new check which monitors the used memory of Cisco Adaptive Security Appliances
#3405 Checks & Agents: cisco_fantray cisco_fru_power: now these checks have readable item names
#3376 GUI: Cleaned up handling of setting Livestatus AuthUser for "see all" users
Friday, 01.04.2016
#3110 Checks & Agents: ewon: Various improvements to snmp proxy functionality
Thursday, 31.03.2016
#3108 Checks & Agents: network interface and switch port discovery rules can now be combined to dicover multiple sets of interfaces
Tuesday, 16.02.2016
#3186 Checks & Agents: fortigate_node: fixed empty item
#3185 Checks & Agents: ucd_cpu_load: this service will be discovered although we prefer HOST-RESOURCES MIB
Version 1.2.7i4 (Not yet released)
Monday, 01.02.2016
#2942 Checks & Agents: juniper_cpu_util: new check replaces juniper_cpu which was reporting incorrect values
Monday, 25.01.2016
#2937 Checks & Agents: mrpe: check now supports service descriptions using percent-encoded characters
Wednesday, 20.01.2016
#2934 Checks & Agents: All temperature checks now use common code and have the same features
Thursday, 03.12.2015
#1309 Checks & Agents: multipath: Fixed name handling of multipaths
Wednesday, 02.12.2015
#2858 Checks & Agents: hp_proliant_da_phydrv: Adding disk controller to check items
Thursday, 26.11.2015
#2803 Checks & Agents: netapp_api_volumes: clustered volumes now longer show the current node name in the service description
Wednesday, 04.11.2015
#1301 Checks & Agents: cmciii: Some rewrites of the cmciii Temperature and Power Phase Checks
Saturday, 31.10.2015
#2671 Checks & Agents: df: avoid duplicate items for btrfs that is mounted several times
Thursday, 22.10.2015
#8309 cmc: Fix authorization settings for seeing service in the user interface
Friday, 16.10.2015
#2663 Checks & Agents: knuerr_rms_temp: switch to new generic temperature logic, allow e.g. lower levels
Wednesday, 14.10.2015
#2434 Checks & Agents: NetApp monitoring: Cluster-Mode is now supported, changes in existing 7Mode checks
Version 1.2.7i3
#2351 Checks & Agents: FreeBSD Agent: Made plugin/local paths standard conform
#2451 Checks & Agents: wut_webtherm.humidity wut_webtherm.pressure: Two new checks for humidity and air pressure sensors for WuT devices
#2489 Checks & Agents: cmciii_lcp_water: New check replacing cmciii_lcp_waterin/out, support for newer devices
#2589 Checks & Agents: check raritan_emx: splitted into three subchecks
#1266 Checks & Agents: cisco_mem_asa: Special memory check for cisco asa devices.
#2350 Checks & Agents: FreeBSD Agent: Changed bash path to /usr/local/bin/bash
#1269 Checks & Agents: esx_vsphere_counters.diskio: Check now uses the default diskstat implementation
#2285 Checks & Agents: Modified checks for printer pages: canon_pages, printer_pages, printer_pages_ricoh, printer_pages.include
#1272 Checks & Agents: alcatel_power, alcatel_temp Support for stacked environments
#1291 Checks & Agents: alcatel_fans: The internal name of the Check changed
#1292 Checks & Agents: hitachi_hus_status: Internal Name of Check changed
#2673 Event Console: SNMP-Traps: Fixed translation of OIDs which are parts of trap values
#7557 packages: Updated NSCA to be compatible with clients of newer distros
Version 1.2.7i2
#2219 Checks & Agents: hr_cpu: Reworked check to use WATO rule allowing averaging and predictive levels
#1259 Checks & Agents: wut_webtherm: Check now uses the Check_MK defaults for temperature checks
#1256 Checks & Agents: lvm_vgs: Check now has his own configuration in wato
Version 1.2.7i1
#2030 Checks & Agents: netapp_api_temp: add Perf-O-Meter, make configurable via WATO
#2031 Checks & Agents: brocade_mlx_temp: make configurable via new WATO rule, add Perf-O-Meter, add default levels
#2032 Checks & Agents: brocade.temp: use new generic WATO rule, add Perf-O-Meter
#2022 Checks & Agents: SNMP: Fixed handling of backslashes in SNMP data
#1999 Checks & Agents: raritan_pdu_inlet_summary raritan_pdu_inlet ups_socomec_outphase: renamed services to be consistent
#1971 Checks & Agents: printer_input/printer_output: Discovery is using name field when available no
#1991 Checks & Agents: emc_datadomain_temps: make configurable via WATO, add Perf-O-Meter
#1998 Checks & Agents: statgrab_net: New implementation of network interface monitoring via statgrab
#2043 Checks & Agents: ibm_svc_mdiskgrp: Fix computation of capacity, show and check provisioning
#2048 Checks & Agents: netapp_api_fan netapp_api_psu netapp_api_temp: fixed typo in service description Shelfes -> Shelves
#2275 Checks & Agents: windows agent: new subfolders, improved folder cleanup during uninstall
#2277 Checks & Agents: mk_oracle.ps1: changed location of config file
#2278 Checks & Agents: printer_supply: now able to toggle the point of view for used and remaining material
#2202 Checks & Agents: hr_fs: Remove Label:... from mount point, replace \ with /
#2184 Checks & Agents: statgrab_mem: converted to the same logic as the other memory checks
#2052 Checks & Agents: winperf_if: Now able to automatically group teamed interfaces and more
#2062 Checks & Agents: grouped interfaces: additional information in check output and new port state 'degraded'
#2137 Checks & Agents: diskstat: new implementation of Linux Disk IO check
#1960 Checks & Agents: akcp_sensor_drycontact: Service description prefix changed from "Device" to "Dry Contact"
#1939 Checks & Agents: check_ftp: changed service description if the ftp port differs from 21
#1524 Checks & Agents: kentix_temp: Now supports setting levels
#1525 Checks & Agents: viprinet_temp: Now uses new Temperature WATO rule
#1674 Checks & Agents: ibm_svc_license other license checks: now able to configure limits
#1523 Checks & Agents: lnx_thermal: Now supports setting levels
#1521 Checks & Agents: carel_sensors: Now uses new Temperature WATO-Rule
#1457 Checks & Agents: logins: new check renamed from "users" check
#1519 Checks & Agents: etherbox.temp: Now supports lower levels, output configurable to Celsius, Fahrenheit or Kelvin
#1520 Checks & Agents: hwg_temp: Now uses new temperature ruleset, allows lower levels and alternate output units.
#1819 Checks & Agents: dell_poweredge_temp: Make output and service description consistent with other temperature checks
#1217 Checks & Agents: dell_om_sensors: Check now uses generic temperature features
#1863 Checks & Agents: cisco_power: fix for cases with a slash in the device description of a power supply
#1890 Checks & Agents: cisco_temperature: Replaces cisco_temp_perf and cisco_temp_sensor
#1892 Checks & Agents: hp_procurve_mem: Now supports setting levels in WATO
#1853 Checks & Agents: cisco_power cisco_fan cisco_temp_perf: fixed service description for some special cases
#1852 Checks & Agents: solaris_multipath: this check now works with inventory to remember the number of total paths
#1820 Checks & Agents: mem.linux: new dedicated check for Linux memory management
#1827 Checks & Agents: oracle_tablespace: WATO rule for default increment
#1830 Checks & Agents: oracle_rman: added detection of INCR0/1 backups
#1229 Checks & Agents: MySQL: The MySQL Plugin now supports multiple instances
#2041 Notifications: Notification Spooler can now handle incoming and outgoing persistent TCP connections
Version 1.2.6b1 (Not yet released)
Tuesday, 09.12.2014
#1726 Checks & Agents: Move variable data of Linux/UNIX agents to /var/lib/check_mk_agent
#1725 Core & Setup: The get_average() function from now on only returns one argument: the average
Wednesday, 03.12.2014
#1593 Checks & Agents: IBM SVC Checks: The Service Descriptions not longer contain IBM SVC as prefix
#1563 Checks & Agents: Reworked configuration of process monitoring
Friday, 28.11.2014
#1518 Checks & Agents: raritan_pdu_inlet raritan_pdu_inlet_summary: Modified existing check to give one item per phase and support setting levels.
Wednesday, 12.11.2014
#1069 GUI: Replaced insecure auth.secret mechanism
Thursday, 06.11.2014
#1203 Checks & Agents: veeam_client: Now supports multiple Backups for one host
Wednesday, 05.11.2014
#1444 Checks & Agents: f5_bigip_chassis_temp f5_bigip_cpu_temp: Two new checks to replace the old f5_bigip_temp
Tuesday, 04.11.2014
#1202 Checks & Agents: cisco_power cisco_temp_perf: Both checks now using a new service description
Monday, 03.11.2014
#1484 Checks & Agents: dell_om_sensors: Use sensor name as item
Friday, 31.10.2014
#1479 HW/SW-Inventory: liveproxyd: new function for collecting remote inventory data
Version 1.2.5i6 (Not yet released)
Monday, 20.10.2014
#1131 Checks & Agents: esx_vsphere_hostsystem.maintenance: fixed misspelling in service description
Thursday, 16.10.2014
#0661 HW/SW-Inventory: HW/SW-Inventory: install date of software packages no longer in unix timestamps but date format
Tuesday, 14.10.2014
#1184 Checks & Agents: cisco_power: Fixed detection of item. In some cases the status information was part of the item
Thursday, 02.10.2014
#1158 GUI: Moved filter logic to visuals module
Thursday, 18.09.2014
#1403 Checks & Agents: kernel.util: allow levels for the total CPU utilization
Monday, 08.09.2014
#1384 Checks & Agents: oracle_jobs: new WATO rules, changed service name to SID.OWNER.NAME
Sunday, 07.09.2014
#1383 Checks & Agents: oracle_asm_diskgroup: Account for offline disks and required mirror free space
Tuesday, 02.09.2014
#1393 Checks & Agents: casa_cpu_temp casa_cpu_util: Change service description to standard
Saturday, 30.08.2014
#0652 HW/SW-Inventory: windows software inventory gives some more details about OS and installed software
Tuesday, 26.08.2014
#0650 Checks & Agents: f5_bigip_pool: limits to the number of active nodes are now correctly applied
Saturday, 23.08.2014
#1374 Checks & Agents: arc_raid_status: moved plugin into main Linux agent
Wednesday, 20.08.2014
#1144 Checks & Agents: blade_bx_temp dell_chassis_temp emerson_temp ibm_svc_enclosurestats ups_bat_temp: rename service description
Thursday, 14.08.2014
#0644 Checks & Agents: adva_fsp_if: instead of lower warning and critical levels check now supports lower and upper levels
#0643 HW/SW-Inventory: windows inventory: OS now contains the install date, reg_uninstall now contains the path
Monday, 11.08.2014
#1173 Checks & Agents: cisco_secure: Check creates now a summary instead one service by port
Friday, 01.08.2014
#0194 Checks & Agents: raritan_pdu_inlet: Check now outputs the correct values
Version 1.2.5i5 (Not yet released)
Thursday, 26.06.2014
#1012 Core & Setup: Fix quoting of backslashes in custom checks with nagios core
Version 1.2.5i4 (Not yet released)
Tuesday, 27.05.2014
#0984 WATO: Fix code injection for logged in users via automation url
Version 1.2.5i3 (Not yet released)
Monday, 26.05.2014
#0978 Checks & Agents: Fix security issue with mk-job on Linux
Wednesday, 21.05.2014
#0975 Checks & Agents: esx_vsphere_vm.guest_tools: renamed check (formerly esx_vsphere_vm.guestTools)
Monday, 19.05.2014
#0162 Checks & Agents: if_brocade: New if64 Check version for Brocade VDX Switches
Thursday, 10.04.2014
#0881 Checks & Agents: rmon_stats: now needs to be activated via a rule in order to be inventorized
Monday, 07.04.2014
#0151 Checks & Agents: enterasys_cpu_util: Changed check to not longer summarize all modules
Thursday, 03.04.2014
#0601 Checks & Agents: printer_alerts: check can now display a textual representation of the alert code

You can find a list of all werks including older versions here.