The Microsoft Exchange RPC Extractor (RPX) is a command-line tool that can parse network captures and interpret remote procedure calls made from a client to Microsoft Exchange . RPX uses the information provided in the Microsoft Exchange protocol documentation to parse RPCs, remote operations (ROPs) and the parameters for each ROP.
You can install the Exchange RPC Extractor 1.0 on computers that are running 32 or 64-bit versions of the Windows Vista or Windows 7 operating systems.
Download the tool here
Catastrophic Failure 