ZABBIX 3.0.6rc1





29 November 2016

Zabbix Team is pleased to announce the availability of Zabbix 3.0.6rc1 (Release Candidate).

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 3.0.6rc1. Download it from

This release fixes known issues of Zabbix 3.0.x. No new functionality is introduced.

This release is not for production use. It is a Release Candidate!

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

What's New

:: New Features and Improvements

  • [ZBXNEXT-2010] added vmware.hv.datastore.size keys for VMware datastore capacity monitoring
  • [ZBXNEXT-1859] improved performance by not inserting events of auto registration if no such action was enabled, insert/update/select in a bulk on auto registration data from proxy
  • [ZBXNEXT-3487] added new key for virtual memory monitoring on Windows
  • [ZBX-10694] added rollup health sensor item to vmware hypervisor template
  • [ZBXNEXT-2969] added support for suffixed and negative trigger function parameters

:: Bug Fixes

  • [ZBX-11509] fixed command parameter to be quoted only if it contains special characters
  • [ZBX-4661] fixed possible crash when Oracle database is not available
  • [ZBX-11397] fixed security best practices violation (TOCTOU) warning
  • [ZBX-11445] fixed update of item host interface from items massupdate form
  • [ZBX-10531] fixed IE not displaying color picker
  • [ZBX-11521] fixed JS error in media popup
  • [ZBX-11397] fixed system.hw.chassis key to read DMI tables through sysfs and fall back to /dev/mem only if sysfs is not available
  • [ZBX-11411] added check for LLD macro values in calculated item formula to be numeric
  • [ZBX-11483] improved API script.execute validation
  • [ZBX-11347] fixed resolving of {HOST.IP}, {HOST.DNS} and {HOST.CONN} macros in item key parameters for items without interface
  • [ZBX-11475] fixed copying sharing properties while cloning screen or network maps
  • [ZBX-9781] changed vfs.fs.size, vfs.fs.inode checks to be executed in separate process/thread to avoid lockup with stale NFS mounts
  • [ZBX-11195] fixed icon mapping visual issues in edit form
  • [ZBX-11390] fixed error hint displaying
  • [ZBX-11246] added disabled "delete" button for edit forms of templated item, item prototype, web scenario and discovery rule
  • [ZBX-11223] rewritten calculated item formula parsing, simple macro parsing and LLD macro parsing; fixed several problems with function parsing
  • [ZBX-11121] disallowed leaving user without linked user groups with usergroup.update, usergroup.massupdate, usergroup.delete API methods
  • [ZBX-9926] fixed displaying of LLD graphs in host screens if user has no rights to Templates group
  • [ZBX-11149] added support of OpenSSL 1.1.0
  • [ZBX-11191] fixed web scenarios not updating step items when giving only "applicationid" and steps with "httpstepid" properties
  • [ZBX-11191] fixed updating templated web scenario steps by prohibiting to directly change the step name or giving different amount of steps than in template
  • [ZBX-11191] improved web scenario step validation by adding required fields
  • [ZBX-11292] fixed getting network interface statistics on Oracle Solaris 10/11
  • [ZBX-11125] prohibited zero in first parameter of nodata() trigger function
  • [ZBX-11349] removed possibility to create items, triggers and graphs with empty names after low level discovery macro substitution
  • [ZBX-11244] fixed parsing of JSON text when PHP is compiled without JSON library
  • [ZBX-11219] renamed second argument for net.dns and net.dns.record items from "zone" to "name"
  • [ZBX-8457] fixed user macro resolving for templated host and templates
  • [ZBX-11367] fixed xml import when non-snmp interfaces have incorrect parameter "bulk"
  • [ZBX-10388] removed duplicated data and reduced traffic for hint popups
  • [ZBX-11331] fixed JS error in Configuration->Discovery edit page
  • [ZBX-10906] fixed agent active checks being delayed if system time was pushed back
  • [ZBX-11038] removed compression for the generated CSS files, added "sass" folder to the distribution archive
  • [ZBX-11335] added MariaDB database support when compiling with --with-mysql configuration option; thanks to Dmitry Smirnov for patch
  • [ZBX-11122] fixed comparisons between signed and unsigned integer expressions to eliminate build warnings
  • [ZBX-10842] fixed sql error when updating httptest with applicationid and without httpstepid parameters
  • [ZBX-10842] prevented disappearing of step items when updating httptest without applicationid, httpstepid parameters
  • [ZBX-10842] fixed connecting web scenario applicationid to created steps when updating with API httptest.update mehtod
  • [ZBX-9656] prevented updating comments for discovered triggers
  • [ZBX-11221] fixed MySQL connection issue by overriding user defined auto commit setting
  • [ZBX-11291] fixed LLD rule not validating "lifetime" field
  • [ZBX-11209] fixed visual bugs in various browsers
  • [ZBX-10958] fixed displaying of user name for inaccessible users; fixed warnings in PHPUnit test; fixed undefined offsets in screen "Action logs"
  • [ZBX-11091] fixed parsing of XML file which contains tag with attributes but without child tags; it could cause significant memeory leak
  • [ZBX-10694] reverted hypervisor health status to HostSystem.overallStatus property
  • [ZBX-11276] removed extra double quotes in host interface form
  • [ZBX-11300] fixed variable used in forecast function
  • [ZBX-11146] fixed validation of item update interval 0
  • [ZBX-11021] fixed discoverer to log that it has started before SNMP library initialization
  • [ZBX-11213] fixed database monitoring keys

Installation and Upgrade Notes


See Zabbix Manual for full details.


Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.8.x. See Zabbix Manual for a detailed upgrade procedure.

Commercial support

Zabbix Company provides a full range of professional services. We also provide trouble-free upgrade service for easy migration from earlier versions to Zabbix. Please contact Sales for pricing and more details.


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