Tick Telnet Server
Open command prompt with Administrator privileges, and type these command:
net localgroup TelnetClients /add
Access a local computer telnet service via SSH utilities e.g. putty
otherwise you will get an 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
Connection to host lost.
With Intel KVM - Intel VPro, however: