Dimension hierarchies in previous versions of Analysis Services are internally represented as separate dimensions, and a ...

Dimension hierarchies in previous versions of Analysis Services are internally represented as separate dimensions, and a naming convention is used to identify them. Migration to Microsoft SQL Server 2005 Analysis Services might create a separate dimension, with a new name, for each dimension hierarchy instead of combining the dimension hierarchies together under the parent dimension because auto-exist results in different security rules than would apply in previous versions of Analysis Services.