Lỗi please check hardware connection of the wan port

DrayTek Smart VPN Client software for windows requires DrayTek Virtual PPP adapter to provide the SSL VPN service. The driver should be installed during Smart VPN Client software installation; however, if you see such error while establishing the SSL VPN connection, please follow the steps to resolve it.

Lỗi please check hardware connection of the wan port

Part 1. Disable AV-software

Please disable AV-software, then reboot PC to see if VPPP driver was detected as malware.

Part 2. Check Remote Access Connection Manager

1. Enter RUN in the search taskbar or press Windows key and R to open the Run window, then enter services.msc and click OK.

Lỗi please check hardware connection of the wan port

2. Find out the name of Remote Access Connection Manager, then check the Status

Lỗi please check hardware connection of the wan port

3. On the name of Remote Access Connection Manager,

(Situation 1: Startup Type - Automatic)

If the status demonstrates blank instead of Running, right click on the name of Remote Access Connection Manager and click Start.

Lỗi please check hardware connection of the wan port

(Situation 2: Startup Type - Disabled)

If the status demonstrates blank instead of Running,

  1. Double click on the name of Remote Access Connection Manager
  2. Select Automatic (Delayed Start) or Automatic at Startup type
  3. Click Apply
  4. Click OK

Lỗi please check hardware connection of the wan port

  1. Right click on the name of Remote Access Connection Manager
  2. Click start

Lỗi please check hardware connection of the wan port

Part 3. Check the VPPP Adapter on Device Manager

1. Right-click the Start menu, then click Device Manager.

Lỗi please check hardware connection of the wan port

2. Expand the Network adapters category, check whether the DrayTek Virtual PPP Adapter is on the list:

  • Yes - Right-click to uninstall, then follow the paragraph below to install VPPP adapter manually. Or right-click to
  • No - First try re-install the Smart VPN Client again (download the latest version here). If the error persists, follow the paragraph below to install the VPPP adapter manually.

Lỗi please check hardware connection of the wan port

Part 4. Install VPPP Adapter Manually

1. Right-click on the icon on the top of the list, then click Add legacy hardware.

Lỗi please check hardware connection of the wan port

2. Click Next on the welcome message page.

Lỗi please check hardware connection of the wan port

3. Select Install the hardware that I manually select from a list (Advanced), then click Next.

Lỗi please check hardware connection of the wan port

4. Select Network adapters, then click Next

Lỗi please check hardware connection of the wan port

5. Click Have Disk… to choose the file on the disk.

Lỗi please check hardware connection of the wan port

6. Go to the location where you install the Smart VPN Client, then go to driver >> X64 folder. (Default path for 64bit platform: `C:\Program Files (x86)\DrayTek\Smart VPN Client\driver\X64\attestation\ ; 32bit platform: C:\Program Files\DrayTek\Smart VPN Client\driver\attestation` )

Lỗi please check hardware connection of the wan port

7. Select VPPP.inf, click Open.

Lỗi please check hardware connection of the wan port

8. Click OK.

Lỗi please check hardware connection of the wan port

9. Click Next.

Lỗi please check hardware connection of the wan port

10. Click Next to install.

Lỗi please check hardware connection of the wan port

11. Click Install on the pop-up window.

Lỗi please check hardware connection of the wan port

12. Click Finish to end the installing. Then, restart your computer.

Lỗi please check hardware connection of the wan port

Update VPPP Adapter Manually

1. Right-click the VPPP adapter, then click Update Driver.

Lỗi please check hardware connection of the wan port

2. Click Browse my computer for driver software.

3. Select Let me pick from a list of available drivers on my computer.

4. Select Draytek Virtual PPP Adapter, then click Have Disk.

5. Click Browse and Go to the location where you install the Smart VPN Client, then go to driver >> X64 folder. (Default path for 64bit platform: `C:\Program Files (x86)\DrayTek\Smart VPN Client\driver\X64 ; 32bit platform: C:\Program Files\DrayTek\Smart VPN Client\driver` ), and then select VPPP.inf, click Open and OK.

6. Click Next to update.

7. Click Close to end the installing. Then, restart your computer.

Part 5. Install the VPPP Adapter by CMD

Please install VPPP driver by CMD run as administrator when you have Android devices connected to the PC before. The drivers could be incompatible.

1. Run CMD as Administrator

Lỗi please check hardware connection of the wan port

2. Enter command “\Program Files (x86)\DrayTek\Smart VPN Client\driver\installcmd64.exe” draytekvppp

note: path variable by Smart VPN Client path.

Lỗi please check hardware connection of the wan port

3. Run Smart VPN Client, and click OK when it pops up message "VPPP driver <vppp.sys> is necessary for this feature! …"

Lỗi please check hardware connection of the wan port

Part 6. Re-install Smart VPN Client

Re-install the latest Smart VPN Client, and reboot PC.

If above doesn't help, please submit a support ticket, and provide Smart VPN Client version and Windows version(winver).