ZABBIX 2.2.5rc1





11 July 2014

Zabbix SIA is pleased to announce the availability of Zabbix 2.2.5rc1 (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 2.2.5rc1. Download it from

This release fixes known issues of Zabbix 2.2.x and introduces new minor features. A nice overview of the new functionality is at

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 in 2.2.5

:: Updated translations

Updated some translations.

:: List of Improvements included into 2.2.5rc1

  • [ZBX-8278] prepared frontend for mbstring.internal_encoding ini option deprecation in php 5.6+

:: Complete List of Bug Fixes and Improvements included into 2.2.5rc1

  • [ZBX-8278] prepared frontend for mbstring.internal_encoding ini option deprecation in php 5.6+
  • [ZBX-8011] fixed escalator giving false 'no media defined' errors
  • [ZBX-8359] changed servers timer processes title line to display amount of hosts that have changed maintenance status; active maintenance period count is no longer displayed
  • [ZBX-8270] fixed disk space reporting for large AIX file systems (>= 16 TB)
  • [ZBX-8422] removed php mutex locking from server code because of not being used and incompatible licensing issues
  • [ZBX-8394] corrected misspelled "template" variables in API
  • [ZBX-8248] fixed vfs.file.regexp, vfs.file.regmatch and to handle carriage returns properly
  • [ZBX-8285] fixed widget "History of events" and frontend messaging to use visible host names
  • [ZBX-8151] fixed XXE vulnerability on XML import using obsolete libxml versions; thanks to pnig0s@Freebuf for the report
  • [ZBX-8354] removed period in caption for "Distribution of values for multiple periods" bar report
  • [ZBX-8092] fixed items being polled at the same time after host becomes enabled
  • [ZBX-8324] fixed there being too many expressions in a list in a SQL query
  • [ZBX-8373] fixed the argument to system.cpu.num[] being ignored on HP-UX

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.

Pre-release testing

Zabbix Server

Zabbix Server has been tested on the following platforms:

  • Ubuntu Linux, AMD64, kernel 2.6.11, MySQL 5.x
  • Ubuntu Linux, Intel, kernel 2.6.15, MySQL 5.0.22, PostgreSQL 8.3
  • RedHat EL 5.3, Intel, kernel 2.6.18, Oracle 11gR2
  • Slackware Linux, x86, kernel, MySQL 5.1.x

Zabbix Agents

Zabbix Agents have been compiled and tested on the following platforms:

  • AIX 5.2
  • FreeBSD 4.x, 5.x, 6.x
  • HP-UX 10.x, 11.x
  • Linux 2.4.x, 2.6.x
  • Linux CentOS
  • NetBSD 2.0
  • OS/X 10.2
  • Solaris 8, 9, 10
  • Tru64 5.1B
  • Windows 2000, Server 2003, XP, Vista, Server 2008, 7, 8, Server 2012

Note that agents are available pre-compiled from for a limited number of versions and platforms.

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 2.2.x. Please contact Sales for pricing and more details.


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