Solve the problem of connection failure to vpn in Win7 system and error code 868

Method 1: modify the local connection or wireless connection to the DNS servers 8.8.8.8 and 8.8.4.4.

1. Right-click the network icon in the lower right corner of the computer, and click "Open Network and Sharing Center" in the pop-up menu. Then, find the network we use and click it, as shown in the following figure;

2. Click "properties"-"network"-"Internet Protocol Version 4"-"properties ";

3. Select "general" to set the dns. Set the primary dns to 8.8.8.8 and the primary dns to 8.8.4.4, and click "OK.

Method 2: restart the system

1. Press win + r to open the running box and enter "netsh winsock reset ";

2. Restart the system to solve the problem.

All of the above are the solutions to the vpn connection failure of the Win7 system and the error code 868 is prompted. In fact, there are several simple commands to solve the problem, mainly to modify the dns.