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"Failed to load Virtual Network Adapter" error message when trying to connect to VPN Technical Level
Symptoms
  • Getting error message "Failed to load Virtual Network Adapter" when trying to connect to VPN.
  • Trac.log shows the following errors:
    [ 13852 13900][17 Jul 12:20:33][] Unable to open '\Device\vna_sc': The system cannot find the file specified.
    [ 13852 13900][17 Jul 12:20:33][vna] Failed to open device (\Device\vna_sc): The system cannot find the file specified.
  • When trying to debug the VNA adapter, you get the following error messages:
    vna_utils.exe -d -ap vna kdebug set -b 32000 -a all
    Access denied.
  • Trying to reset the Virtual Network adapter fails:
    C:\Program Files (x86)\CheckPoint\Endpoint Connect >vna_utils.exe -d -ap vna kdebug reset
    vna::_cpNTopen: Unable to open '\\.\vna_ap': The system cannot find the file specified.
    processing vna
    processing kdebug
    processing reset
    vna::_cpNTopen: Unable to open '\\.\vna_sc': The system cannot find the file specified.
    vna::priv_cpopen: Unable to open '\Device\vna_sc': The system cannot find the file specified.
    vna_kdebug_utils_reset :ioctl failed
    : The system cannot find the file specified.
  • Logs in %SystemRoot%\inf\setupapi* show the following error message:
    0xe0000246
Cause

The value of the registry setting "DeviceInstallDisabled" is set to 1, instead of 0.


Solution
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