Configure FileStream in SQL Server 2008
It’s not only a setting in the insance properties, you must also configure it using the SQL Server Configuration Manager.
I had this problem when importing the AdventureWorksCycle 2008 database, and I found this article really helpfull.
ref.: http://techpunch.wordpress.com/2008/08/29/how-to-enable-filestream-feature-on-sql-server-2008/
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