ERROR: ‘telnet’ is not recognized as an internal or external command,operable program or batch file
Yes thats right Telnet is not installed in Vista by default. You need to go and Enable it.
Go to: Start –>Control Panel–>Programs and Features –>Turn Windows Features on or off.
In the List Select TelnetClient and click on OK to Install.
Thats it, you are all set to use Telnet on Vista.