Wish you could get a network capture from a computer with no capture software installed? Wish you could have a network traffic "flight recorder" on a USB key? Here's your answer!"
The motivation behind creating this tool was to provide an extremely simple way to get a trace from an end user. And the name says it all, though maybe a small bit of false advertisement as it may take a bit more than just one click :). Once you have it downloaded to your machine, you can launch the executable and it will lead you through some simple dialogs that install the tool and start a trace. Once the trace is complete, which means it was manually stopped by the user or the default time of 2 hours have passed, a window will be opened to the location for the capture, called OneClick.cap.
Read more : Technet Network Monitor Blog