So I find it a pain that Server 2008 and 2008 R2 don’t come with the telnet client installed after the initial OS install, the telnet client is a great way to check ports are open for various services, like IIS or SMTP.

On 2008 R2 the quickest way I find to install it is through PowerShell, in a PowerShell window (running as administrator) just do the following…

This won’t work on Server 2008 though…

Instead you need to go with…

Hope you find this useful!

N3ib