如何開啟 windows telnet server (for windows 7)

1. Click on Start / Control Panel / Program Features / Turn Windows Features on or off.
2. Check "Telnet Server" and "Telnet Client" on. (as below picture)

You still can NOT telnet to your server until now. just because you will get the following error.
Access Denied: Specified user is not a member of TelnetClients group.
Server administrator must add this user to the above group.
Telnet Server has closed the connection

Please follow the steps to solve the problem.

1. Open the Local Users and Groups snap-in. In the Start Search box, type mmc lusrmgr.msc.
2. In the navigation pane, click Groups.
3. In the details pane, right-click TelnetClients, and then click Properties.
4. In the TelnetClient Properties dialog box, click Add.
5. select user who you allows to telnet to your windows7.

and then enjoy your telnet in win7.