ZABBIX 1.6.4


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ZABBIX SIA is proud to announce the availability of ZABBIX 1.6.4.

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

It is highly recommended to upgrade from 1.6, 1.6.1, 1.6.2 and 1.6.3.

This document contains the release notes for ZABBIX 1.6.4.

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


It is recommended to create the following indexes in order to speed up performance of ZABBIX front-end as well as server side (ignore it if the indexes already exist):

CREATE UNIQUE INDEX history_log_2 on history_log (itemid,id);
CREATE UNIQUE INDEX history_text_2 on history_text (itemid,id);
CREATE INDEX graphs_items_2 on graphs_items (graphid);

What's New in 1.6.4

:: Support of Quoted SNMP Strings

It is quite important fix to be mentioned as a new feature here. Now quoted numeric SNMP data can be automatically processed.

:: Other Improvements and Bug Fixes

  • [ZBX-845] fixed calculation of delayed items for non-local nodes in Queue screen
  • [ZBX-842] fixed duplicate triggers in "Last 20 issues" in dashboard
  • [DEV-323] removed master nodes from dropdown
  • [ZBX-837] removed sid from Zabbix logo link
  • [ZBX-589] fixed processing of quoted floating point values
  • [ZBX-836] fixed probem with permissions of proxy shared memory
  • [ZBX-833] fixed link from maps element to trigger status page
  • [ZBX-831] DM: fixed synchronization of trends data
  • [DEV-137] DM: improved performance of historical data synchronization
  • [ZBX-827] fixed possible bug in actions hints
  • [ZBX-826] fixed problem displaying disabled web checks
  • [ZBX-825] fixed problem with changing item status in configuration web and items screens
  • [ZBX-822] fixed dashboard when logged in as guest
  • [ZBX-763] fixed warning message displayed at the bottom when saving graphs without items
  • [ZBX-821] fixed dashboard context menu "Latest data" does not show required host
  • [ZBX-819] Error in import script
  • [ZBX-818] In configuration->items, if selected Host All, items hosts are shown in table

Installation and Upgrade Notes


See ZABBIX Manual for full details.


Recompile ZABBIX binaries and update front-end PHP files, no database patching needed. See ZABBIX Manual for a detailed upgrade procedure. No upgrade of agents required, yet recommended.

Pre-release testing


ZABBIX Server has been tested on the following platforms:

  • Ubuntu Linux, AMD64, kernel 2.6.11, MySQL 4.x
  • Ubuntu Linux, Intel, kernel 2.6.15, MySQL 5.0.22


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 XP, 2000, 2003, 2008, Vista

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. Please contact our sales department for pricing and more details.


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