The Network Extension Function Cannot Be Enabled

Publication Date:  2012-07-19 Views:  175 Downloads:  0
Issue Description
The network extension function cannot be enabled.
Alarm Information
None.
Handling Process
  • Cause one: The installation of the virtual network adaptor fails during the startup of the network extension function.

     

    If the installation or uninstallation of the virtual network adaptor is incomplete in the previous running of the network extension function, errors occur during the re-installation of the virtual network adaptor. In this case, perform the following steps to completely uninstall the virtual network adaptor and restart the network extension function.

    1. Right-click My Computer on the PC. Choose Properties > Hardware and click Device Manager.
    2. Choose View > Show hidden devices in the Device Manager window.
    3. Unfold Network adapters. If SVN3000 Adapter V1.0 exists, uninstall it.
    4. Restart the network extension function. During the staring process, a new virtual network adaptor is installed.

     

  • Cause two: The installation or starting of Nemservice fails during the startup of the network extension function.

     

    If the installation or uninstallation of Nemservice is incomplete in the previous running of the network extension function, errors occur during the re-installation or starting of Nemservice. In this case, perform the following steps to completely uninstall Nemservice and restart the network extension function.

    1. Choose Start > Run on the PC. Then enter cmd. The command line window is displayed. Run the sc query nemservice command to view the status of nemservice. If the status is RUNNING, choose Start > Control Panel > Administrative tools > Services. Then right-click Nemservice in Service Manager and select Stop in the popup menu.
    2. Choose Start > Run on the PC. Then enter cmd.
    3. In the command line window, enter sc delete nemservice to uninstall Nemservice.
    4. Restart the network extension function. During the staring process, Nemservice is re-installed.

     

Root Cause

The network extension function cannot be enabled through the network extension client on a PC. This may be caused by the specific software and hardware of the current PC. Starting the network extension function triggers the automatic installation of the virtual network adaptor and Nemservice. If the installation fails, the network extension function cannot be successfully enabled.

Cause one: The installation of the virtual network adaptor fails during the startup of the network extension function.

Cause two: The installation or starting of Nemservice fails during the startup of the network extension function.

Suggestions
None.

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