Microsoft is discontinuing the Microsoft My Phone service (http://www.microsoft.com/myphone) for Windows Mobile 6.x.
On August 7, 2011, the Microsoft My Phone service will stop synchronizing data between My Phone-configured Windows Mobile 6.x phones and the My Phone service: User data will stop being backed up to the My Phone service. On this date, Microsoft will begin automatic migration of certain data types from the My Phone service to Windows Live SkyDrive.
On October 6, 2011, the My Phone website will no longer be available. On this date, users will no longer be able to access the data stored from their Windows Mobile 6.x phones to the My Phone service.
Read the full support summary here: http://support.microsoft.com/kb/2557520