Exchange 2007 Restrict ActiveSync for only certain modell of phones
Starting with Exchange 2007 SPX you can use the Set-CASMailbox with the ActiveSyncAllowedDeviceIDs parameter to lock down a certiain user to a specific device ID. http://technet.microsoft.com/en-us/library/bb125264(EXCHG.80).aspx Not that it helps you immediately, but Exch 2010 has included automatic quarantining/blocking of devices based on Device Model and Type with ActiveSyncDeviceAccessRule http://howdouc.blogspot.com/2010/09/activesync-device-access-rules-in.html set-CASMailbox [-ActiveSyncAllowedDeviceIDs <MultiValuedProperty>] [-ActiveSyncDebugLogging <Nullable>] [-ActiveSyncEnabled <$true […]