You have posted in the Exchange Server / Admin forum. I would post in the Windows 7 forum:
http://social.technet.microsoft.com/Forums/en-us/category/w7itpro
Tim Harrington | MVP: Exchange | MCITP: EMA 2007/2010, MCITP: Lync 2010, MCITP: Server 2008, MCTS: OCS | Blog: http://HowDoUC.blogspot.com | Twitter: @twharrington