Question about Microsoft Windows 2000 Advanced Server

1 Answer

VNC screen is lookibg black

I am using windows 2000 server and i connect the server through the VNC viewer in windows XP clinet, when i tried to connect the server it always seems a black screen i cant able to get the console through the VNC viewer, but RDP is working fine i am able to get the windows screen through RDP.

The server is production server and application is running in VNC console i cant restart the serivce all the time. It a critical application is running there. I need a permenet solution to fix the issue. if any one know the solution that should be helpful to prevent it from future.

Thanks in Advance.

Posted by on

  • Syed Mohamed Apr 24, 2009

    I am running the VNC server on server not in client

  • Syed Mohamed Apr 24, 2009

    Hi sir,

    Thank you, i will try this option if it is not work i let you know thanks you very much once again


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Make sure you are running VNC "Server" on your server and not the client.

Posted on Apr 24, 2009

  • Fred Block
    Fred Block Apr 24, 2009

    You may want to try disabling any screen saver on the Win2000 server box.

  • hassanahm362
    hassanahm362 Mar 20, 2012

    The main reasons you may encounter this are:

    * You're connecting to Windows Media Center or similar software
    * You're trying to connect to a computer that's using Fast User Switching (i.e. you are in a switched out session)

    The workaround for Windows Media Center is below. We do not support Fast User Switching, the workaround in this situation is to login to a non switched out session.

    This is likely due to the VNC Mirror Driver, which will be attempting to capture the hardware accelerated video / menus, but is unable to do so by design. You can either lower machine hardware acceleration (this shouldn't impact machine performance, depending on the speed of the machine or the graphical intensity of the video) or you can enable a different update method, instead of the VNC Mirror Driver.

    To lower the computer's hardware acceleration:

    Windows XP:
    Control Panel > Display > Settings > Advanced > Troubleshoot

    Windows Vista:
    Control Panel > Personalization > Display Settings > Advanced Settings > Troubleshoot

    Windows 7:
    Control Panel > Appearance and Personalization > Display > Change display settings > Advanced settings > Troubleshoot

    If this doesn't work, try playing with the update method settings. Set the UpdateMethod parameter (in VNC Server options, Expert tab) from 2, to 1. If this doesn't work, try setting it to 0.

    0 = Polling (Slower over low bandwidth, but will capture the entire framebuffer)
    1 = VNC Hooks (Fairly efficient "all-round" update method, but may miss certain GDI hooks in the framebuffer)
    2 = VNC Mirror Driver (Extremely fast/efficient capture method, but may miss certain video/3D related events).

    * The VNC Mirror Driver should be in use where possible, to provide better performance.
    * For times when a 3D application/video cannot be remoted, reverting to VNC Hooks will most likely provide updates, but the performance will be degraded.

    AMX Touchpanel
    There are some further settings that need to be changed to support AMX Touchpanel:

    Go to VNC Viewer -> Options -> "Adapt to network speed" and uncheck the tickbox.

    Then the "ColourLevel" needs to be changed. Go to Expert tab -> ColourLevel and change the default value to "rgb565".

    Still not working?
    If the above workarounds don't work for you, try simply either minimising the application that is causing you problems, or if it's running in full screen mode, run it in windowed mode. Reconnecting may be required.

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