Install Telnet client on Server 2008 & Server 2008 R2

On a fresh build of Server 2008, Server 2008 R2 and Windows 7, the telnet client is not installed so running a normal telnet command will yield the following response:

'telnet' is not recognized as an internal or external command, operable program or batch file

The quickest and easiest way to install the telnet client is to run the following command :

pkgmgr /iu:"TelnetClient"

It installs the client silently in the background and only takes a few seconds after which you can telnet to your heart’s content:

The install can be done via the GUI also by performing the steps listed here.