VPN Error 720 – Error connecting to a VPN Connection

When using VPN software on Windows 10/8/7, it is very likely that you encounter an error – Error 720, error connecting to VPN connection, connection to remote computer could not be established. This guide will explain how to cope with this VPN error.

According to many users, this error could be due to the following reasons, however, the cause is not entirely known:

• WAN miniports are corrupted
• The problem with the IP address of the VPN server that is not working properly
• Material changes.

To diagnose this problem, follow these steps:

1. Make sure the remote VPN server is working and working perfectly from other locations
2. Check that you have unlimited internet access. If your ISP blocks some VPN ports like 1720 for PPTP, the VPN will not work
3. Check to see if your local office / home router's firewall is blocking VPN traffic and configured to allow VPN transmission.
4. Check that the firewall on your own computer is not blocking network traffic. You will need to temporarily disable the Windows Firewall or other Internet security program to perform this check.
5. Check that your Internet speed is correct. Very slow internet access or intermittent drop will not connect to the VPN
6. Update your network adapter to the latest driver version
7. Make sure TCP / IP IPv4 is enabled (has a check mark) under the VPN connection

If all of these checks are correct, you may need to perform some repairs. Let's go to the possible fixes for this error.

Fix VPN 720 error

Below, three possible options could possibly fix the VPN 720 error on Windows 10:

1. Assign a valid VPN server IP address
2. Allow Miniport WAN adapters to recreate
3. Reset the TCP IP protocol.

Let's look at these three options in detail.

1) Assign a valid VPN server IP address

1) OpenNetwork and Sharing Center»And press«Change the settings of adaptation"

2) Find 'Incoming connection"And right click on it and click on"properties"

3) Click on "Network tab& #39; and find & #39;Internet Protocol Version 4 (TCP / IPv4)"

4) Double-click now on 'Internet Protocol Version 4 (TCP / IPv4)& #39; go to & #39;properties"

5) Now click on 'Use the following IP addressAnd enter the IP address of your router, for example 255.255.255.0 or 192.168.11.XX

This hack for the 720 error works on Windows 10, Windows 8, Windows 7, Windows 8.1 and Windows XP.

2) Allow Miniport WAN Adapters to Recreate

Here, we only need to delete and have Windows re-create some elements in the Device Manager. Follow these steps:

1) OpenWindows Device Manager"

2) Go to 'Network Adapters"

3) Uninstall all Miniport WAN devices (XXXX) or at least those related to your VPN connection

4) Right-click on an item and select "Search for material changes ». It will be populated with new Miniport WAN adapters.

Miniport WAN Adapters should be recreated themselves, try to reconnect to your VPN again.

3) Reset the TCP / IP protocol

Try to reset the TCP / IP protocol by entering the following command in the command prompt window:

netsh int ip reset resetlog.txt

Restart your system and reconnect the VPN.

Last thoughts

The VPN 720 error is one of the most common VPN related errors when connection to a remote computer is not established. The above hacks have worked for many users, but if you still have them, contact your router support as there may be a problem with your router settings.

Let us know what hack worked for you, also if you have another fix for this error, please share it with us.