I saw this had been published and thought I would share - it is an amazing tool that I use for diagnosis all the time. Reading http://www.ditii.com/2007/07/03/network-monitor-31-released/ it also reminded me that this includes traces on wireless networks!! Microsoft Network Monitor 3.1 Network Monitor 3.1 is a protocol analyzer. It allows you to capture network traffic, view and analyze it. Version 3.1 is an update and replaces Network Monitor 3.0. Network Monitor 3.x is a complete overhaul of the previous Network Monitor 2.x version. Supported Operating Systems: Windows Server 2003; Windows Server 2003 x64 editions; Windows Vista; Windows XP; Windows XP 64-bit It is suggested that you have a CPU of 1GHz or greater, 1G or greater of Memory and 25 Megs of available Hard Disk space, plus room for capture files. Supports Vista 64 bit as well as 32 bit. Instructions Network Monitor 3.1 can co-exist with Netmon2.x. NM3.1 installs in %program files%\Microsoft Network Monitor 3, so there is no conflict. But it will require...