WinXP system VPN error 633 "Modem is already in use" What should I do?

After the user reinstalls the WinXP system, restart the router and set the account and password. But after booting, the bottom right corner indicates that the local connection is connected, but the network is not connected. The connection VPN shows that the port is being opened … Error 633: The modem (or other connected device) is already in use or not configured correctly. How to do? How do you solve such a problem? Today, Xiaobian will talk to you about WinXP system VPN error 633 "Modem is already using" solution.

as follows:

1, while pressing Win + R key combination (Win Microsoft icon next to the Alt key), the input operation regedit.exe window, click OK .

2, click on the left side of the registry: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters

3, select Parameters, click on the menu above “ edit & rdquo;, new A "multi-string value" project, as shown below. Then name it ReservedPorts.

4, double-click on the created "ReservedPorts", enter 1723-1723 in the "Value data", click OK, and then close the Registry Editor.

5, press Win + R key combination, enter cmd.exe in the run, enter netstat -aon in the command prompt window and press Enter to find out the program that occupies TCP 1723 port, and then use taskkill /PID The PID /F command forces the process to end, as shown in the following figure.

6, enter the exit command to enter, exit the command prompt, restart the computer. If there is no accident, you can connect to the VPN.

The above is the WinXP system VPN error 633 "The modem is already in use", the entire content of the solution. If you have any problems with the above problems, you can try the above methods to solve them. After the solution, there will be no such problems. For more details, please refer to: WinXP Broadband Connection Error 633 Solution