> Source: [sk159192](https://support.checkpoint.com/results/sk/sk159192)

# sk159192 - "Failed to load Virtual Network Adapter" error message when trying to connect to VPN

| Property | Value |
|----------|-------|
| Solution ID | sk159192 |
| Date Created | 2019-07-27 |
| Last Modified | 2021-10-18 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |

## 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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