Release Notes for Zabbix 2.4.8

Zabbix Team is pleased to announce the availability of Zabbix 2.4.8.

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 2.4.8. Download it from download.

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

New Features and Improvements

ZBX-1357 Enabled French, Greek, Korean, Romanian, Ukrainian, Vietnamese translations to be displayed by default API Frontend
ZBX-1357 Updated English (United States), French, Japanese, Korean, Polish, Romanian, Russian, Slovak, Spanish, Turkish, Ukrainian, Vietnamese translations; thanks to Zabbix translators API Frontend
ZBX-9859 Improved performance of screen.get method for an unprivileged user API

Bug Fixes

ZBX-10510 Fixed action condition time period checking Server
ZBX-10387 Fixed overview vertical column rotation for IE in Japanese language Frontend
ZBX-10485 Fixed database upgrade crash on attempt to substitute old-style comparison operators in empty trigger expressions Installation Server
ZBX-10386 Fixed slideshow refresh rate Frontend
ZBX-10369 Fixed unexpected deleting of screen items in screen.update API method API
ZBX-10342 Fixed item value not being cached by value cache if its timestamp seconds matches the oldest cached value timestamp, but the nanoseconds value is less Server
ZBX-4894 Fixed fping 3.x source IP option detection Proxy Server
ZBX-10429 Fixed expression evaluation when a negated macro or function has a negative value itself Proxy Server
ZBX-10320 Fixed NFS based VMware datastore statistics Proxy Server
ZBX-9991 Fixed functionality that adds last selected host group to new host groups list Frontend
ZBX-10356 Fixed user media form "send to" and "period" fields having incorrect "maxlength" property Frontend
ZBX-10221 Fixed MySQL transaction handling when execute query fails Proxy Server
ZBX-10366 Fixed parsing of VMware responses containing too deep XML data Proxy Server
ZBX-10238 Fixed error message when linking two templates with same item keys API
ZBX-10319 Fixed graphs consuming 100% CPU when given incorrect "stime" parameter in URL Frontend
ZBX-10358 Fixed error messages in template screen cloning and web scenario step validation API
ZBX-10215 Fixed host availability not being updated for connection errors on timeouting items Proxy Server
ZBX-10313 Changed wmi.get[] to accept UTF-8 encoded namespace and WQL query, fixed wmi.get[] to return UTF-8 encoded strings Agent
ZBX-9661 Fixed bug when VMware collectors could sometimes use 100% of CPU without processing any data Proxy Server
ZBX-9784 Fixed host clone form to work with prototype v1.7.1 Frontend
ZBX-9640 Improved server/proxy/agent item value timestamp synchronization Agent Proxy Server
ZBX-10227 Fixed exporting events to CSV for selected host Frontend
ZBX-10112 Fixed displaying trigger name in IT service dependencies after error Frontend
ZBX-9938 Fixed displaying incorrect number of hosts that have acknowledged problematic triggers in dashboard host status widget when "Problem display" is "Unackowledged only" in dashboard filter Frontend
ZBX-10251 Fixed "countOutput" calculation in map.get API method API
ZBX-9733 Fixed possibility to start several agents on the same port on Windows Agent Proxy Server
ZBX-9991 Fixed functionality that adds last selected host group to new template groups list Frontend
ZBX-10165 Fixed construction of host discovery filter expression Frontend
ZBX-10270 Fixed HTTP proxy environment variables not being taken into account in Web monitoring Proxy Server
ZBX-10232 Fixed SQL errors with invalid "year" parameter in IT services report API Frontend
ZBX-1357 Added more details to README file about how to add new language API Frontend
ZBX-10150 Fixed "countOutput" calculation in screen.get API method API
ZBX-10170 Fixed column names vertical rotation in Firefox v43 Frontend
ZBX-7006 Implemented trend cache cleanup procedure which forces hourly flush of deleted, disabled or rarely updated item trends Server
ZBX-9904 Fixed server response when active proxy sends in historical data, info string was missing Proxy Server
ZBX-10219 Fixed pointer type in sizeof() Agent Proxy Server
ZBX-10177 Fixed resource leak in sensor[] on Linux kernel versions 2.6 and higher Agent
ZBX-10154 Improved script to take advantage of buffering (increases performance and makes communication with daemons more robust) Installation
ZBX-10138 Fixed action based host removal when hosts to be deleted have host prototypes Server
ZBX-10064 Fixed history cache synchronisation with database on shutdown Server
ZBX-9458 Fixed low level discovery macro substitution in calculated item formulas Server
ZBX-10110 Fixed using Japanese in global search Frontend
ZBX-10099 Fixed buffer flushing error when executing script on a host Frontend
ZBX-10077 Fixed deleting of profile data for current user Frontend
ZBX-9950 Fixed foreign key constraint violation when deleting discovered host triggers and graphs with their prototypes Server
ZBX-10126 Fixed compilation error in sensors.c on Linux 2.4 kernels Agent
ZBX-10084 Fixed removing trigger-related network map elements Server
ZBX-9928 Fixed triple SMS being sent by single action with Cinterion MC35i modem Server
ZBX-9931 Removed 2KB item key length limitation when sent to agent Proxy Server
ZBX-9932 Removed 1KB zabbix_get item key length limitation Agent

Installation and Upgrade Notes


See Zabbix指导手册。 for full details.


See 升级指南 for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 2.4.8.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free 升级服务 for easy migration from earlier versions of Zabbix. Please 联系我们 for pricing and more details.


Zabbix 2.4 Manual