Zabbix Documentation 5.0 (current)| In development:5.0 (devel)| Unsupported:

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9 Upgrade notes for 5.0.0

Zabbix 5.0.0 is not released yet.

These notes are for upgrading from Zabbix 4.4.x to Zabbix 5.0.0. All notes are grouped into:

  • Critical - the most critical information related to the upgrade process and the changes in Zabbix functionality
  • Informational - all remaining information describing the changes in Zabbix functionality

It is possible to upgrade to Zabbix 5.0.0 from versions before Zabbix 4.4.0. See the upgrade procedure section for all relevant information about upgrading from previous Zabbix versions.


Support of IBM DB2 dropped

The IBM DB2 database is no longer supported by Zabbix.

Minimum required PHP version

The minimum required PHP version has been upped from 5.4.0 to 7.2.0.

Support of Internet Explorer 11 dropped

Microsoft Internet Explorer 11 is no longer supported by Zabbix.


Minimum required versions for databases updated

Minimum database versions required for Zabbix 5.0.0:

  • MySQL 5.5.62
  • MariaDB 10.0.37
  • PostgreSQL 9.2.24
  • Oracle 11.2

Configuration parameters

The EnableRemoteCommands parameter is now deprecated. Remote commands are still disabled by default, but in the new configuration files that is expressed by using the new DenyKey parameter ([*]). Remote commands can be enabled by removing (or commenting out)[*] parameter.

Item key limit

The maximum allowed length of an item key has been raised from 256 to 2048 characters.