Release Notes for Zabbix 2.1.5

Zabbix Team is pleased to announce the availability of Zabbix 2.1.5.

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 2.1.5. 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

ZBXNEXT-836 Added Windows agent WMI query support with wmi.get key
ZBXNEXT-1267 Changed network discovery to take in account proxies when identifying discovered hosts
ZBXNEXT-322 Improved value cache multi-process performance by unlocking it during database requests
ZBX-6883 Added possibility to use empty parameters in the trigger functions
ZBXNEXT-1633 Added vSphere (vCenter hypervisor) datastore and network monitoring keys
ZBXNEXT-1786 Implemented script name tree in menu popups
ZBXNEXT-1786 Redesigned menu popups using jQuery Menu
ZBXNEXT-1786 Updated jQuery-ui to latest
ZBX-6976 Changed minimal php version parameter
ZBX-6846 The print link work with javascript instead of reloading the whole page

Bug Fixes

ZBX-4476 Fixed nodata() calculation for new items
ZBX-6950 Fixed termination character sequence for smtp connection termination
ZBXNEXT-1689 Improved performance of the latest data page
ZBX-6989 Fixed write cache statistics to account for fragmentation when calculating free space
ZBX-6952 Fixed XSS vulnerability in user themes, thanks to Lincoln and Bernhard Schildendorfer for reporting
ZBX-6816 Added URL parameter validation for graph items in bar reports page
ZBX-6937 Fixed discovery check validation
ZBX-6992 Fixed PostreSQL query errors due to missing "AS" keyword for aggregate functions in Monitoring > IT Services
ZBXNEXT-1633 Resolved problem with passive proxy saving
ZBX-6938 Fixed undefined hostid on delete, fixed filter parameters losing after returning from edit form
ZBX-6984 Resolved problem with empty "Members" column on Configuration->Host groups page
ZBX-6967 Added missing spaces between icons
ZBX-6804 Optimized min item clock calculation for graph; thanks to Volker Fröhlich
ZBX-6968 Fixed add/remove favorites icon javascript
ZBX-6946 Fixed octal numbers problem in trigger expression test
ZBX-6902 Reverting Solaris system.swap.size calculation from "swap -s" (used in 2.0.7, 2.0.8) to "swap -l"-like algorithm (as in 2.0.6)
ZBX-6955 Fixed library order in linking, fixed compiler warnings, improved performance of zbx_snprintf_alloc() function
ZBX-6981 Fixed SQL error during lld trigger creation
ZBX-6866 Fixed being able to add graph items from other hosts for templated graphs
ZBX-6854 Fixed javascript error on pages with checkboxes, but without main checkbox
ZBX-6873 Fixed errors in page switching after executing an action

Installation and Upgrade Notes


See Zabbix documentation for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 2.1.5.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please Contact sales for pricing and more details.


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