Installed Components

The following topic provides a description of each of the Zend Server components and Web servers that are installed in your environment, along with the installation location of each component.

Installation Directories

Not all users decide to install their software in the same location. To reflect this actuality, all paths in this document have been replaced with the following prefix: <install_path>. This represents the location of the installed files. If you used the default settings, the location should be as follows:

  • Windows: C:\Program Files\Zend\ZendServer

  • Windows 64 bit C:\Program Files (x86)\Zend\ZendServer

  • DEB/RPM: /usr/local/zend

Zend Components




Installation Path




The Zend certified versions of PHP that include commonly used and Zend extensions.

Windows: <install_path>\php\<php_version>\bin

RPM, DEB: <install_path>/php/<php_version>/lib

The extensions for all are under:




Zend Debugger


Zend’s extension for server side debugging, profiling and code coverage.

Windows: <install_path>\php\<php_version>\lib\ext\debugger

RPM, DEB: <install_path>/php/<php_version>/lib/ext/debugger



Zend Cache


A Zend extension for PHP data caching and partial PHP output caching.

Windows: <install_path>\php\<php_version>\lib\ext\datacache

RPM, DEB: <install_path>/php/<php_version>/lib/ext/datacache



Zend Monitor


Collects information for monitoring and improving the quality of your PHP application.

Windows: <install_path>\php\<php_version>\lib\ext\monitor

RPM, DEB: <install_path>/php/<php_version>/lib/ext/monitor



Zend Job Queue


Offline asynchronous processing of tasks and activities.



Job Queue Daemon: <install_path>\bin\jqd.exe


Job Queue Extension:


Job Queue Daemon: <install_path>/bin/jqd

Job Queue Daemon Wrapper Script: <install_path>/bin/



Session Clustering


Session management in cluster based environments.



SC Daemon: <install_path>\bin\ZendSessionManager.exe


SC Extension:


SC Queue Daemon: <install_path>/bin/scd

SC Daemon Wrapper Script: <install_path>/bin/

This component in not installed on ZSCM. Session Clustering is run on the servers in a cluster.


Zend Code Tracing


Real-time execution flow recording in Production Environments







Zend Page Cache


A URL based HTML output cache for PHP scripts.

Windows: <install_path>\php\<php_version>\lib\ext\pagecache

RPM, DEB: <install_path>/php/<php_version>/lib/ext/pagecache



Zend Framework


Installs Zend's open-source framework for developing Web Applications and Web Services in PHP.

Windows: <install_path>\share\ZendFramework

RPM, DEB: <install_path>/share/ZendFramework

The Zend Server UI will notify you of any available updates for this library.


Zend Framework 2


Installs Zend's open-source framework for developing Web Applications and Web Services in PHP.

Windows: <install_path>\share\ZendFramework2

RPM, DEB: <install_path>/share/ZendFramework2

The Zend Server UI will notify you of any available updates for this library.


Oracle Instant Client


This installs Oracle OCI (Oracle Instant Client Libraries) lightweight drivers for accessing Oracle Databases.

Windows: <install_path>\bin

RPM, DEB: The extension resides with the other extensions, the libraries it depends upon are  in <install_path>/lib/


Zend Server provides the Oracle Instant Client 'Basic Lite' package, which only includes English error messages, and support for ASCII, Unicode and Western European character sets. If you need support for other languages and character sets, please install one of the other Oracle Instant Client packages available from Oracle, such as here:
You should be able to install any recent version of the full Oracle Instant Client libraries as a drop-in replacement for the Lite version provided by Zend, without having to reinstall Zend Server.
In Linux, make sure that you place the full version's shared libraries before the Lite version in 'LD_LIBRARY_PATH'.

Required for Oracle database access from PHP.




This installs the IBM DB2 run Time Client libraries for managing Database access.

Windows: user defined location in a separate installer

RPM, DEB: IBM DB2 RTCL is not shipped with Zend Server and can be downloaded from


Downloaded during installation.

Required for IBM DB2 access from PHP.




Installs a complete MySQL database on the Web Server.

Windows: <install_path>\..\MySQL

RPM, DEB: Varies according to distribtion.


MySQL server's user name and password:

  • RPM, DEB:  Default - "root" with password from MySQL installation
  • Windows: Default - "root" and password "rootpasswd"

Windows - Optional.

Usually the password is "root" for administrators.

Can be used for applications.

Web Servers

Web Server



Installation Path


Apache 2.4.x Web server



Windows:  <install_path>\..\Apache24

RPM, DEB: The distribution's Apache package.



nginx Web server



RPM, DEB: package.



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