Mapping: Desktop Streamer (VNC)

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(Updated 2018.08.29)

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Desktop Streamer (VNC) allows users to share the desktop of a remote system and also control it with your local mouse and keyboard, just like you would do sitting in front of that computer. You just need to run a server i.e. TightVNC on the system that you want to access remotely.

Note: Desktop Streamer (VNC) source does not support audio, it is recommended only for capturing low demanding content e.g. data visualization.

Please use Supported Capture Cards for other high demanding content e.g., video playback. Userful strongly recommends thoroughly testing Desktop Streamer session with anticipated usage scenario.

Install and Configure Tight VNC

TightVNC can be easily installed using standard Windows Installer.

  • Go to the TightVNC Download Page
  • Select the package matching a type of your operating system (32-bit or 64-bit)
  • Run it and follow the installation wizard.
The TightVNC Setup Wizard lets you choose the components to install (TightVNC Server and/or TightVNC Viewer) and adjust some installation settings.
  • Select “TightVNC Server”
  • Register TightVNC Server as a system service.
By default, TightVNC Server is installed as a Windows service and starts immediately after installation.

TightVNC Server is designed to run in two modes, Application and Service.

  • Application Mode runs TightVNC for a single user.
  • Service Mode runs it as a service for all users that log on to that system.

Running TightVNC Server in Application Mode

To start TightVNC Server in the application mode:

  • Go to Start > Programs > TightVNC > TightVNC Server (Application Mode) > Run TightVNC Server.

To quit the TightVNC server:

  • Right-click the TightVNC system tray icon and choose "Shutdown TightVNC Server".

Running TightVNC Server in Service Mode

To run TightVNC Server as a system service, follow these instructions:

If you unchecked the recommended option "Register TightVNC Server as a system service" during installation, first, you need to register TightVNC Server as a service.

  • Go to Start > Programs > TightVNC > TightVNC Server (Service Mode) > Register TightVNC Service.

To start TightVNC Server in the Service mode:

  • Go to Start > Programs > TightVNC > TightVNC Server (Service Mode) > Start TightVNC Service, OR
  • Type net start tvnserver in the command line.

If you want the server to show its tray icon,

  • Go to Start > Programs > TightVNC > TightVNC Server (Service Mode) > TightVNC Server – Control Interface

To stop TightVNC Server in service mode, either of these methods can be used:

  • Go to Start > Programs > TightVNC > TightVNC Server (Service Mode) > Stop TightVNC Service, OR
  • Type net stop tvnserver in the command line.

For more details about server-side configuration, please visit TightVNC.
Once the server-side configuration is done, create a Desktop Streamer source following the instructions given below.

VNC with Multiple Displays

By default, TightVNC will capture and broadcast all displays on a system. To capture only select displays:

  1. Ensure TightVNC is already running, or is set to run as a service, as above.
  2. Open the Windows command line and run the following command (or create a batch file that does the same): C:\Program Files\TightVNC\tvnserver -controlapp -sharedisplay # where the # symbol specifies the display to capture, starting at 1 for a Windows system.
  3. Set the batch file to run at startup. There are many external guides on how to accomplish this.

Mapping: Creating a Desktop Streamer (VNC) Source

Creating Desktop Streamer (VNC) source

Mapping allows you to bind displays or video wall to the Desktop Streamer (VNC) source. To create "Desktop Streamer" source:

  1. Click on Mapping > New Source New Source Icon.png. From the drop-down menu select "Desktop Streamer (VNC)" as preferred source type and give a name.

  2. Enter the IP address or hostname of the VNC server.

  3. Enter the port number e.g. default value is 5900.

  4. Enter the password of the VNC server.

  5. Enable fullscreen mode to set the scaling to full screen.

  6. Disable viewonly mode to interact using keyboard and mouse.

  7. Click "OK" to complete the process.

For detailed instructions about server side configuration, please visit TightVNC.

Map Displays to Desktop Streamer (VNC) source

Once source is created, displays or video wall can be "mapped" or assigned by simply dragging-and-dropping the display or video wall icon to the Desktop Streamer source. The mapped display or the video wall will show the content running on the Server (i.e. remote system).

To change the source configuration (for example, to change the port number), click on the source name to open the "Edit Source" window and make the changes.

Changes will not take effect until the "Apply" button is clicked.

Please Note: You are responsible for complying with the server side (i.e. remote system) configuration and application vendor's license agreements.

Watch this video for a quick guide on Desktop Streamer (VNC) source.

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