Note that, we need firewall exceptions, add the newly added port number, or a firewall blocking the port.
Windows system comes with a remote desktop connection, Windows server administrators to remotely manage, often used to run "mstsc" in control or open the desktop, the default port 3389, modify the port, and landed on the login name and password the same security settings, how much you can reduce security risks.
Remote Desktop Connection Terminal Services default port is "3389", in order to prevent malicious connections or when others need multiple connections, you need to change the default port. This may open the Registry Editor, expand "HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Terminal Server \ Wds \ rdpwd \ Tds \ tcp" branch, under the "PortNumber" key corresponding to the port number is (xvi ary Oh, it can be calculated using the scientific calculator type), which can be modified.
After the above setup is complete, we need to expand in order "HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Terminal Server \ WinStations \ RDP-Tcp" branch, which is also under the "PortNumber" key to make changes. (Also here is hexadecimal)
When the changes to the Telnet server port, you need to restart the system, connect the format: IP: The revised port (without port or the default of 3389, similar to the WEB-80).
Note that, we need firewall exceptions, add the newly added port number, or a firewall blocking the port.
Reproduced in: https: //my.oschina.net/ijustdoit/blog/207433