VPN 769 error "Unable to connect to specified target" solution

Problem Symptom: An error occurs when connecting to the VPN<;Error 769: Unable to connect to the specified target>; The following summarizes the causes and solutions of the error that may cause this problem. You can exclude the check in order.

1. Check if the network connection is normal, if there is any disconnection

Please make sure the network cable is connected to the computer and network tuner. If your computer is connected to a hub or router, make sure the cable that connects the hub or router to the network tuner is connected.

2, make sure the network connection is enabled, do not disable

A, click “Start Menu", click “Run”, type ncpa.cpl, and then click OK.

B. Right-click on the Local Area Connection icon. If the network connection is disabled, click Enable.

3. Restart the router, ADSL and other network tuners

Turn off the router and ADSL network tuner device and wait for two minutes before restarting.

4. Fix Winsock and TCP/IP Protocols

A, click the Start menu, click Run, type netsh winsock reset command, and press Enter to reset.

B. After the execution, follow the prompts to restart the computer.

5, DNS pollution caused VPN line address resolution error

If the VPN line address used is in the form of domain name, there may be DNS pollution causing VPN server address resolution error, the solution is to DNS Change to a relatively reliable DNS service, such as Google DNS, set tutorial
can refer to here.

6. Uninstall the reinstalled NIC driver

A, click the Start menu, click Run, type sysdm.cpl, and then click OK.

B, click the Hardware tab, click Device Manager, and then locate the network adapter.

C, expand the network adapter and right click on the icon for your network adapter.

D, click Uninstall, then click OK.

E. In the dialog box, you will be prompted to delete the files associated with this device, click Yes.

F, restart your computer. Alternatively, click Actions and then click Scan to detect hardware changes.

G, if Windows
finds the device but does not recognize it, you must install the latest drivers for your network adapter. You can visit the PC official website to get drivers, or third-party driver software, such as driving life and other software.

7. Temporarily turn off the firewall software exclusion

Turn off the software installed on the computer, which may affect the connection. Then try the VPN connection again. If it is indeed the cause of the firewall, you can add exceptions or whitelists to the VPN connection.

8. Clear Internet Explorer Browser Cache

A, start Microsoft Internet Explorer browser.

B, click Tools, then click Internet Options.

C. On the General tab, click Delete File.

D, click OK in the Delete File dialog box, and then click OK.

9. Fix network connection

A, click the Start menu, click Run, type ncpa.cpl, and then click OK.

B. Right-click the icon for your connection and click Repair.

C, when you click Repair, Windows will renew your computer's IP address and perform other tasks that may help resolve this issue.

10. Check if the VPN line address is correct and there is no failure.

The above methods are all for excluding local problems, and sometimes it may be a VPN problem and cannot be connected. Check if the line address is entered correctly, and if there are other VPN lines, you can replace the other lines to eliminate it.

If you try the above method and still have the same error, you can only use other VPN connection methods, such as PPTP, L2TP, OpenVPN, etc.