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# Run Vusers in an interactive RDP session

You can set up load generators to run Vusers in an interactive Remote Desktop Protocol session, while the OpenText Performance Engineering agent runs as a service.

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## About interactive RDP sessions

Some GUI protocols, for example, SAP GUI or Citrix, require the agent to run as a process. However, this requires the user to manually log into each load generator to run the test. To avoid this limitation, you can run Vusers in an interactive RDP session on the load generator.

When running an interactive RDP session, the agent is run as a service, but Controller is able to open a new interactive session on the load generator machine without the user being involved.

To enable this, you configure a user with RDP permissions in the agent runtime settings. When Controller connects to that load generator (while in RDP mode), a new interactive RDP session is started using FreeRDP. No user intervention is required on the load generator machine to run the Vusers for GUI-based protocol scripts.

Note: Windows operating systems generally allow only one active interactive session, so you cannot “see” the new session when it's opened, or check its parameters.

Note the following functionality for opening and closing sessions:

- When you click Connect in the Load Generators dialog box, if Controller detects that there is a session open using the same user RDP credentials (this may be through the standard Windows Remote Desktop Connection), it logs off that user. This terminates the session, then Controller creates a new one.
- To end the interactive session, if you are connected to the load generator machine from Controller (status shows Ready state), you can click the Disconnect button in the Load Generators dialog box. This logs off the user, not just disconnect.

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## Steps for setting up an interactive RDP session

This section describes how to use interactive RDP sessions on a load generator

Tip: Check out the Notes and limitations before starting.

To set up interactive RDP sessions:

1. Install Microsoft Media Feature Pack (if it is not installed by default) on the load generator. You can download the Media Feature Pack from the Microsoft Download Center.

   The Media Feature Pack is required to ensure that FreeRDP has all the necessary codecs to render the remote desktop session.

2. Configure features for running the media pack. See Enable media features and RDP parameters.
3. Define RDP user credentials for the agent. See Configure the agent account.
4. Enable RDP mode on the Controller machine. See Enable RDP mode.
5. Click Connect in the Load Generators dialog box.

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## Enable media features and RDP parameters

Perform the following on the load generator machine, to enable media features on your Windows operating system.

We recommend configuring RDP timeout policies, to remove the time limits for RDP sessions. This prevents sessions being disconnected before the performance test has finished.

To configure Windows Desktop:

1. Select Control Panel > Programs > Programs and Features. This opens the list of Windows features. Click Turn Windows features on or off in the left pane.

   In the list, scroll down and select Media Features.

2. Click OK, and wait until Windows turns on Windows Media Player and other media features.

To configure Windows Server:

1. Select Start > Server Manager.
2. In Server Manager, select Manage > Add Roles and Features. Click Next until the Features page is displayed.
3. On the Features page, select Media Foundation.

4. Assign permissions to allow the agent to be configured in the Remote Desktop Users group.

   1. Open the Group Policy Management Editor, focused on an appropriate Group Policy object.

   2. Navigate to the Computer Configuration\Policies\Windows Settings\Security Settings\Local Policies and select the User Rights Assignment node.

   3. The agent should be run with User in the Remote Desktop Users group. If Remote Desktop Users group is not listed in the policy, click Add User or Group and add it manually. By default, Remote Desktop Users are allowed to log on through Remote Desktop Services.

5. Set RDP timeout policies:

   1. Open the Local Group Policy Editor for the specific users.

   2. Navigate to User Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Session Time Limits.

   3. In the right pane, right-click Set time limit for active Remote Desktop Services sessions and click Edit.

   4. Select either Not Configured or Disabled.

   5. Repeat for the End session when time limits are reached policy.

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## Configure the agent account

To configure the OpenText Professional Performance Engineering Agent account:

1. On the agent machine, select Agent Runtime Settings Configuration under OpenText Performance Engineering in the Start menu.

2. Enter the credentials of a user with RDP permissions.

   Note: The defined user must be able to connect to the machine using the standard Remote Desktop Connection login.

3. Click OK.

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## Enable RDP mode

To enable RDP mode:

1. On the Controller machine, click the Load Generators button to open the Load Generators dialog box.
2. Click Details and select the Load Generator Information > Terminal Services tab.
3. Select the Enable Remote Desktop Protocol check box.

4. Select the required color depth and resolution, to match the settings where the script was recorded.

   This information is saved in the scenario file, and the new session receives (from the command line parameters) the selected resolution and color depth.

5. Click OK.

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## Notes and limitations

This section lists several issues relating to RDP interactive sessions.

- RDP mode is not supported for a local system user account. While a performance test with a system account runs for a load generator set to RDP mode, it does not open an interactive RDP session.

- If the agent is running as a process, you must kill the process (magentproc.exe).

- When you log off an RDP user session running an agent, it terminates FreeRDP.

- If the Windows OS on the load generator allows only one active session: When another user is connected, FreeRDP forces disconnect for that session (not log off), and logs in with the user setup in the runtime settings. ​

- Makes sure you use the default RDP port, 3389, when running Vusers in an interactive RDP session.

- RDP mode is not supported when a host machine is used simultaneously as a Controller and load generator.

- RDP mode is not supported with IP Spoofing.

- RDP mode is not supported with Docker.

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See also:

- Load Generators dialog box
- Load Generator Information > Terminal Services tab

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