http://blogs.msdn.com/b/jasonlan/archive/2007/01/15/allowing-exchange-activesync-by-device-id-in-exchange-2007.aspxI've had a number of customers ask if this is possible and one of my colleagues Michael Higashi on the Exchange team wrote this excellent article for our Exchange 2007 customers about how to limit access to Exchange Activesync service to a specific deviceen-GBTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/jasonlan/archive/2007/01/15/allowing-exchange-activesync-by-device-id-in-exchange-2007.aspx#1494286Fri, 19 Jan 2007 22:11:11 GMT91d46819-8472-40ad-a661-2c78acb4018c:1494286subject: exchange<p>Apple iPhone for now ignoring synch to Exchange, other e-mail platforms Configuring, validating and monitoring</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=1494286" width="1" height="1">