How to solve the "800 error" when Win10 tries to connect to the VPN?

VPN error, most of the reasons are in the firewall. Many Win10 operating systems will open the firewall by default after installation. No matter what software is running, there will be a reminder, the user will close the firewall, but some users use the tutorial to shield the firewall. Some firewall services are turned off, ports are not open, and VPNs are bound to fail afterwards.

Procedure:

1, press & ldquo; Win + X & rdquo; menu shortcut key combination to open system, click [Fi];

2, the Right click on the VPN connection and select “Properties”;

3. In the property interface “Security”, the default [Authentication] is blank, we only need to follow our current Set the actual situation, click OK, vpn can be connected normally.

5, if still not, ensure that the firewall in the system opens the port "1723" and "IP protocol 47", users who do not know how to operate can directly turn off the firewall function in the system. (Win10 method to turn off the firewall)

6. If it still doesn't work, perform the following steps:

1. Press ““Win+R” key combination to open the run and enter in the box. Cmd open “command prompt>;

2. In the command prompt, type: ipconfig /flushdns Press Enter, reconnect vpn after parsing is complete.

If the user just closed the port blocked by the firewall, it may be because the current settings are still valid, you can restart the computer to establish a VPN connection again.