Win10vpn Connection 720 error for common errors, you can follow the small series of method one by one troubleshooting:
1. Possible server problems, non-user issues, please reflect to the administrator, may be the server too many people, you can try even several times.
1, start-run--regedit.exe, open Registry Editor, delete the following two keys:
Hkey_local_machinesystemcurrentcontrolsetserviceswinsock
Hkey_local_machinesystemcurrentcontrolsetserviceswinsock2
2, with Notepad open%winroot%infnettcpip.inf file, find:
[Ms_tcpip. Primaryinstall]
Characteristics = 0xa0 <------Change the 0xa0 here to 0x80 save exit
Step 2nd: Many friends may not find%winroot%inf This folder, the correct path is C:windowsinf,inf is a hidden folder, enter the c:windows if you do not see, in the "Tools"-"Folder Options"-"view" in the " Display so files and folders "Before the hook, find Nettcpip.inf files recommended by shortcut keys ctrl+f;0xa0 sometimes also show as 0xa0, open also please use ctrl+f speed, or to find a long time.
3. Open the TCP/IP properties for your local connection---Add protocol--from disk--Browse to the Nettcpip.inf (%winroot%infnettcpip.inf) file you just saved, and then choose TCP/IP protocol (not the TCP/IP option) Version 6, be sure to note!).
After this step, return to the Network Connection window, but at this time, the "Uninstall" button is already available. Click the Uninstall button to remove the TCP/IP protocol and restart the machine.
4, after the restart followed by the 3rd step, reinstall the TCP/IP protocol will be.
5, restart once, at this time should be able to, according to need, set the IP address.
2. See if your computer or VPN server broadband connection is normal.
3. Another workaround is to reload the TCP/IP protocol:
(1), Start-run--regedit.exe, open Registry Editor, delete the following two keys:
Hkey_local_machinesystemcurrentcontrolsetserviceswinsock
Hkey_local_machinesystemcurrentcontrolsetserviceswinsock2
(2), with Notepad open%winroot%infnettcpip.inf file, find:
[Ms_tcpip. Primaryinstall]
Characteristics = 0xa0 <―――――― Change the 0xa0 here to 0x80 save exit
(3), open the TCP/IP properties for the local connection ――-add protocol--from disk--Browse for the Nettcpip.inf (%winroot%infnettcpip.inf) file you just saved, and then select TCP/IP protocol (not the TCP/IP Version 6).
After this step, return to the Network Connection window, but at this time, the "Uninstall" button is already available. Click the Uninstall button to remove the TCP/IP protocol and restart the machine.
(4), after reboot and follow the 3rd step, reinstall the TCP/IP protocol once again.
(5), restart once, at this time should be able to, according to need, set the IP address.