BlackBerry Enterprise Server support for Microsoft SQL Server 2008 is as follows:

Environment
Microsoft SQL Server 2008
Microsoft SQL Server 2008 (64-bit)
Microsoft SQL Server 2008 Express


Microsoft SQL Server 2008, Microsoft SQL Server 2008 (64-bit), Microsoft SQL Server 2008 Express is not currently supported.

Workaround

Use the latest supported database, Microsoft SQL Server 2005 SP2.