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

Instructions
Download and install the .msi file. See Readme.htm and ExchRPX10.htm for further instructions.

A FREE tool from Quest – Migration Assessment Tool, that help any Exchange guy in migration scenarios or to get an inventory of the Exchange infrastructure.

This free, browser-based application provides expert guidance for evaluating Exchange Online, Google Gmail, and Exchange 2010 as your next messaging solution. Optionally collect information from your existing Exchange 2003 / 2007 mail system to get:

• A customized feature comparison for each mail system
• A current inventory of Exchange 2003 / 2007 servers, mailboxes, public folders and mobile devices

Access the tool here