http://blogs.technet.com/yuridiogenes/archive/2009/03/17/do-you-want-to-learn-more-about-netmon-3-2.aspxMy friend Paul Long from Netmon Team recorded a series of videos that will allow you to better understand how Netmon works and how to use it. Check it out here: UI Overview Part 1 UI Overview Part 2 Capturing with the UI Capturing with NmCap Filteringen-USCommunityServer 2.1 SP1 (Build: 61025.2)