The purpose of this white paper is to:

This white paper should only be used in the context of troubleshooting free/busy retrieval or publishing problems in Outlook or Exchange. It should not be used for purposes of developing applications that utilize free/busy information.

Download this white paper as a Microsoft Office Word document (.doc).

Free/Busy Architecture in Outlook and Exchange (http://go.microsoft.com/fwlink/?LinkId=136470)