My ramblings on the stuff that holds it all together
Install Telnet client on Windows 2008 R2
Windows 2008 R2 doesn’t ship with Telnet installed by default, so if you want to check connectivity on a specific port to rule out a firewall issue you’ll need to install it manually.
You can quickly do this from the command line with the command (you don’t need access to media etc. as it’s all slipstreamed into the default install.
And, once finished you can remove it with the following command – it’s advisable to do this once you’ve finished with it for security.