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# Install standalone and additional components

You can install standalone components that provide advanced features for working with your performance tests.

Note: For all standalone applications, you must first manually install the prerequisite applications. For details, see the Support Matrix.

In this topic:

## Install standalone components on Windows

The following standalone components are available for install on Windows.

Component | Description
--- | ---
OneLG | Instead of installing a host and then configuring it as a load generator, you can install a standalone version of the load generator (OneLG). This host can behave only as a load generator, unlike the host, which can also be configured as a Controller or data processor. You can use a local or a cloud-based machine to host your load generator. Note: If you know in advance that a host machine is to be used as a load generator only, we recommend that you install OneLG for the following reasons: The installation requires less disk space Moving the load generator's setup files is less time consuming than moving the setup files of the host.
VuGen | OpenText Virtual User Generator (VuGen) generates virtual users, or Vusers, by recording actions that typical end-users would perform on your application. VuGen records your actions into automated Vuser scripts which form the foundation of your performance tests.
Analysis | Analysis provides graphs and reports with in-depth performance analysis information. Using these graphs and reports, you can pinpoint and identify the bottlenecks in your application and determine what changes need to be made to your system to improve its performance.
MI Listener | The MI Listener is one of the components needed to run Vusers and monitor applications over a firewall. To install, run SetupMIListener.exe. For details about firewalls, see Configuration options.
Monitor Over Firewall Agent | Used to monitor servers that are located over a firewall. For details about firewalls in OpenText Enterprise Performance Engineering, see Configuration options.

To install standalone components on Windows:

1. From the installation directory, run setup.exe. The setup program displays the installation menu page.

2. Select one of the following options: OneLG, VuGen, Analysis, MI Listener, or Monitors Over Firewall. For details, see the OpenText Professional Performance Engineering Help Center.

   Note:

   - During the installation of Load Generator Standalone, MI Listener, or Monitors over Firewall components, the setup wizard prompts you to select the mode for running the installed agent. Select OpenText Enterprise Performance Engineering mode.

     The agent runs as a service under a special account named IUSR_METRO. This is a local Windows account, created during the installation process (some additional configuration is also added on the load generator).

     You can delete the IUSR_METRO account only if the system user was configured to a different Windows account; otherwise the host does not function correctly.

   - If you attempt to install standalone components on a system drive other than the default C drive, you get a warning that you are out of disk space on your system drive even though you are not installing there. This is because the installer, while installing the components to the drive as specified by the user, still needs to use the Windows temporary file locations during installation.

     Solution: Free up space on your C system drive.

3. (MI Listener/Monitors Over Firewall installations only) Follow the instructions in the installation wizard. After installation, the configuration wizard opens, requesting the name of the product you are working with. Select OpenText Enterprise Performance Engineering.

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## Silently install standalone applications on Windows

This section describes how to perform a silent installation of the standalone applications.

Note: For instructions on silently installing load generators on Linux, see the OpenText Professional Performance Engineering Help Center.

Choose one of the following options:

- Option 1: Install the prerequisite software and the application separately

- Option 2: Install the prerequisite software and the application together

Option 1: Install the prerequisite software and the application separately

1. Install required prerequisite software. For details, see Prerequisite software.

2. Extract the Load Generator installation files to a local directory:

1. Select an application from the <installdir>\Standalone Applications folder.

2. Extract the .msi file from the .exe application to the installation folder.

3. Run one of the following commands from the command line:

   Load Generator:

   Copy code

       msiexec /i "<installdir>\OneLG_x64.msi" /qb /l*vx "<Path to log file>" IS_RUNAS_SERVICE=1 START_LGA="1"

   VuGen Standalone:

   Copy code

       msiexec /i "<installdir>\VuGen_x64.msi" /qb /l*vx "<Path to log file>"

   Analysis Standalone:

   Copy code

       msiexec /i "<installdir>\Analysis_x64.msi" /qb /l*vx "<Path to log file>"

   where <installdir> is the local directory where you saved the installation files, and <Path to log file> is the full path to the installation log file.

   Note: You can install the Load Generator component on a Linux platform to run virtual users. The Linux virtual users interact with the Controller, installed on a Windows machine. For details on installing the Load Generator on Linux, see the OpenText Professional Performance Engineering Installation Guide available from the OpenText Professional Performance Engineering Help Center.

Option 2: Install the prerequisite software and the application together

1. Select an application from the <installdir>\Additional Component\Applications folder.

2. Run one of the following commands from the command line.

   Load Generator:

   Copy code

       SetupOneLG.exe -s -sp"/s" IS_RUNAS_SERVICE=1 START_LGA=1 NVINSTALL=Y

   VuGen Standalone:

   Copy code

       SetupVuGen.exe /s /a /s INSTALLDIR="c:\OpenText\VuGen_SA"

   Analysis Standalone:

   Copy code

       SetupAnalysis.exe /s /a /s

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## Install a load generator on Linux

You can install the load generator component on a Linux platform to run virtual users. The Linux virtual users interact with the Controller, installed on a Windows machine. For details on installing the load generator on Linux, see the OpenText Professional Performance Engineering Help Center.

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## Install additional components

You can install additional components that provide advanced features for working with performance tests. You install these components from the Additional Components directory, located in the root directory of the installation directory.

The following components are available.

Component | Description
--- | ---
Agent for Citrix Server | Installs an optional component on the server machine that enhances VuGen's capabilities in identifying Citrix client objects.
Agent for Microsoft Terminal Server. | Used for extended RDP protocol record-replay. This component runs on the server side, and is used to create and run enhanced RDP scripts.
Assembly Crawler for Analysis API | Installs a command-line utility to build a .NET configuration file for an Analysis API application. For details, refer to the Analysis API Reference.
Azure API Service | Installs the Azure API Service on Windows machines, which enables you to run Vuser scripts that include Azure API functions. For details, see the OpenText Professional Performance Engineering Help Center.
Entity Unlocker | Installs a utility that enables users to unlock tests, scripts, monitor profiles, and analysis templates for editing when locked by that user in another session. It also enables administrators to unlock entities that have been locked by other users. For details, see Unlock entities and manage unlocking jobs.
MCP Server | Installing the MCP Server enables AI client applications to create and run automated performance tests, and to collect and summarize results using natural language commands. For details, see MCP integration.
IDE Add-ins | Installs add-ins for Visual Studio or Eclipse, enabling you to create NUnit or JUnit tests in your standard development environment using the OpenText Performance Engineering API. For details, see REST API references.
OpenText Network Virtualization | Helps you test point-to-point performance of network-deployed products under real-world conditions. For details, see Network Virtualization in the OpenText Professional Performance Engineering Help Center.
SAP Tools | The following SAP tools are available: SAPGUI Spy. Examines the hierarchy of GUI Scripting objects, on open windows of SAPGUI Client for Windows. SAPGUI Verify Scripting. Verifies that the SAPGUI Scripting API is enabled.
Third Parties | Includes the source code for open-source packages that are incorporated into OpenText Enterprise Performance Engineering, and which have licenses with source distribution clauses.
Virtual Table Server | Virtual Table Server (VTS) is a web-based application that works with Vuser scripts. VTS offers an alternative to standard parameterization. Two versions of VTS are available: 32-bit and 64-bit. You can install 32-bit VTS on both 32-bit and 64-bit operating systems; 64-bit VTS can be installed only on 64-bit operating systems.
VuGen Script Converter | Installs the VuGen Script Converter that enables converting NUnit/JUnit tests to VuGen scripts so that they can be run in OpenText Enterprise Performance Engineering.

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