1A First Alternative

Secure OpenVPN tunnel - Windows

This manual is meant for 1A-server users. It explains how you can make a secure connection to your company's network with the help of OpenVPN. This way it seems as if you are connected to your company's network directly.

To be able to use OpenVPN, you have to be a member of the group 'vpn'. After that, you can create a connection with the steps below.

If you have installed the old OpenVPN Desktop Client, please uninstall it through the Control panel. You can find it in the software list under the name "OpenVPN Client".

Requirements

To complete this manual, you will need:

  • Your username and password
  • The OpenVPN configuration-file (ovpn file). You can download it from the Server Info page on your 1A server.

Steps

1
Download and install the OpenVPN Client
  • Go to download.1afa.com/openvpn-client/windows
  • Download and install the OpenVPN Client
    Example filename: openvpn-install-2.4.4-I601.exe
    Tip: Execute the installer through right-click option "Run as Administrator"
2
Place the ovpn file in the correct location
  • Download the OpenVPN configuration-file (ovpn file) from the Server Info page on your 1A server
  • Place the ovpn file in C:\Program Files\OpenVPN\config\
3
Configuring OpenVPN to be run as na Administrator
  • Right-click OpenVPN GUI on your desktop
  • Select Properties
  • Go to tab Compatibility
  • Check Run this program as an administrator
  • Click OK
Configuring OpenVPN to be run as na Administrator
4
Starting OpenVPN
  • Double-click OpenVPN GUI
  • Click Yes at the popup for "User Account Control"
Starting OpenVPN
5
Connecting to your company's network
  • Right-click the OpenVPN icon in the taskbar
  • Select Connect
Connecting to your company's network
6
Enter credentials
  • Enter your username and password
  • Click OK
  • As soon as you are connected, the screen disappears to the taskbar. The OpenVPN icon is now green instead of red
Enter credentials
7
Restore connection window
  • Right-click the OpenVPN icon in the taskbar
  • Select Show Status
Restore connection window
8
Disconnect
  • Right-click the OpenVPN icon in the taskbar
  • Select Disconnect
Disconnect

Troubleshooting

1
Hosts on the VPN network are unreachable (1)
  • This could be an issue with the order in which the network adapters are used. To fix this, go to: Control panelNetwork and InternetNetwork and sharingChange adapter settings
  • Note down the name of the adapter with TAP-Windows Adapter V9)
    In the example on the right it is "LAN-verbinding 2"
Hosts on the VPN network are unreachable (1)
2
Hosts on the VPN network are unreachable (2)
  • Press <ALT> + n on your keyboard
  • Select Advanced Settings
Hosts on the VPN network are unreachable (2)
3
Hosts on the VPN network are unreachable (3)
  • Click on the adapter you noted down
    ("LAN-verbinding 2" in the example)
  • Click the button with the arrow up until the adapter is at the top
  • Click OK
  • Restart the OpenVPN connection
Hosts on the VPN network are unreachable (3)