from http://technet.microsoft.com/en-us/library/gg670940.aspx For Exchange 2010 and BlackBerry Enterprise Server to function together successfully, we recommend the following: Install the Microsoft Exchange Server MAPI Client and Collaboration...

http://gallery.technet.microsoft.com/Performance-and-Threshold-d32ff5a6

Nice work by Michel http://eightwone.com/2011/04/05/exchange-2010-sp1-network-ports-diagram-v03/

http://blogs.technet.com/b/exchange/archive/2011/04/06/announcing-the-re-release-of-exchange-2010-service-pack-1-update-rollup-3-v2.aspx