XP Connection VPN Hint "error 633: Modem already in use" how to resolve

XP Connection VPN Hint "error 633: Modem already in use" how to resolve

The method is as follows:

1, at the same time press the WIN+R key combination (Win is alt next to the Microsoft icon key), in the running window input regedit.exe, click OK;

2, in the registry to the left of the point open: hkey_local_machinesystemcurrentcontrolsetservicestcpipparameters;

3, select Parameters, click on the Menu "edit", a new "multiple string value" item, and then named ReservedPorts;

4, double click Create "ReservedPorts", enter 1723-1723 in "Numerical data", click OK, then close Registry Editor;

5, press Win+r key combination, enter Cmd.exe in the run, enter Netstat-aon and return in the Command Prompt window, find out the program that occupies TCP 1723 port, and then use taskkill/pid pid/f command to force the end of the process;

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