Error 720 | A connection to the remote computer could not be established

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Error 720 | A connection to the remote computer could not be established

Problem

Users on Windows 10 or 11 are using Microsoft Dialer. While trying to connect to the VPN they suddenly saw the message “A connection to the remote computer could not be established. You might need to change the network setting for this connection. You might need to change the network settings for this connection. (Error 720)“

Error 720

Cause

Due to various reasons, the WAN Miniports could be corrupted causing Error 720

Solution

Uninstall desired miniports

It depends on which protocol is used, like SSTP, PPTP, LT2P, etc. Uninstall the relevant Miniport from the Device Manager.

A connection to the remote computer could not be established
  • Open “Device Manager” Right-click the Windows “Start” button
  • Click “View” and select “Show Hidden Devices”
  • Click on “Network adapters”. Now right-click on non-working Miniports and click Uninstall device
A connection to the remote computer could not be established
  • Reboot the Machine

Now, the issue should be resolved and you should be able to connect to the VPN.

Another option is if you have devcon.exe then you may run the below command. (Please change the protocol as I have taken an example for Sstp)

devcon.exe install c:\Windows\inf\netsstpa.inf MS_SstpMiniport
Ravi Chopra
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