In his blog, Mark Russinovich, a Microsoft fellow, said, "this major update to Process Monitor adds real-time TCP and UDP monitoring to its existing process, thread, DLL, file system and registry monitoring. You can now see the TCP and UDP activity processes performed, including the operation
It runs on Windows 2000 SP4 with Update Rollup 1, Windows XP SP2, Windows Server 2003 SP1 and Windows Vista as well as all 64-bit versions of the operating system.
Process Monitor 2.0 combines the features of two popular utilities developed by Sysinternals -- Filemon and Regmon. Microsoft acquired Sysinternals when it bought Winternals several years ago. The tool can be downloaded at Microsoft's TechNet.