Zend Server 9.1 - System Requirements

Upgrades from versions of Zend Server earlier than 9.0 are not supported.

For customers with existing 8.x (or earlier) deployments, we recommend creating a parallel installation and migrate applications to it. We also recommend considering upgrading other stack components at the same time, specifically a more recent version of the OS.

Supported Operating Systems

Supported Web Servers

Supported Browsers

Database Requirements


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