"This document explains the process by which Exchange 2000 Server uses permissions to control access to objects in the Exchange store (public folder databases and mailbox databases). This document provides detailed answers to the following questions and more: -When I open a folder or message, what does Exchange check in order to determine whether I have access? -How do Exchange store permissions differ from permissions in Windows 2000 Active Directory and the Windows 2000 file system? Version - 1.0 Release Date - 4 Oct 2002 " http://download.microsoft.com/download/exchplatinumbeta/Books/1.0/W98NT42KMeX P/EN-US/working%20with%20microsoft%20exchange%202000%20server%20store% 20permissions.exe