Enabling Telnet in Windows Vista/7/8
Telnet access to an MMS may be necessary in order to manage the device. Telnet is not enabled by default in Windows Vista/7/8. To enable it, follow the instructions below:
Open Windows Control Panel
Open the "Programs" panel group
Select "Turn Windows features on or off"
In the popup Window check "Telnet Client".
Click Ok.
When the Window closes, the telnet client will be enabled on your system.