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# Pre-installation prerequisites and considerations

This section includes pre-installation prerequisites and considerations for all components.

Prerequisite | Description
--- | ---
Prerequisite software | For the list of prerequisites software that must be installed on your machine before you can install, see the Support Matrix.
Permission requirements | To install and configure a server or host, you must have full local administrative rights on the designated machine. UAC and DEP do not need to be deactivated to install or run components.
Planning the environment | Separate machines. Servers and hosts must be installed on separate machines. OpenText Performance Engineering installations. Components must be installed on different machines to OpenText Professional Performance Engineering installations. Load considerations. Decide which machine is to be used for what purpose. Consider the expected load on each machine when determining which components to install. For details, see Load considerations. Dedicated host machines. We recommend: Installing hosts on dedicated machines that do not contain, or provide access to sensitive information. Making a thorough security review of the network topology and access levels in your testing environment.
Network considerations | Map network drive. If the installation directory is located on a network drive, we recommend mapping the network drive before running the installation. For details, see Unable to run the setup from a network drive. Add to Trusted Sites. To enable running the installation from a network location, make sure that the network location path is added to the Trusted Sites of the installation machine.
Remote Desktop connection | If you are installing a server or host using a Remote Desktop connection (RDP), you must connect using the Console session.
VMWare | VMWare ESX/ESXi 5.0 and later are certified. Due to the rapidly evolving architectures provided by Virtualization vendors, as long as the third party vendor guarantees full compatibility of the virtualized environment with the OpenText Enterprise Performance Engineering approved system requirements for physical hardware, then OpenText Enterprise Performance Engineering works as designed.
Standalone applications | To install standalone applications, you must manually install the prerequisite software. For the list of required prerequisites, see the Support Matrix. For details on installing the prerequisites in silent mode, see Silent installation.
Language settings | Make sure that the operating system and the database are both configured for the same language to avoid texts being corrupted. For example, if you are working with German, ensure that you are working on a German operating system, and that the database is configured for German.

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