There’s a new paper on how dimension security is implemented in AS2005 available on Richard Tkachuk’s site. Not an awful lot seems to have changed although the attribute-based dimensional model has (as you would expect) made things a bit more complex; and you can now define security on a dimenion and have this applied to all cubes that dimension is linked to, rather than have to put the same security definition on each cube.
AS2005 Dimension Security paper
Published by Chris Webb
My name is Chris Webb, and I work on the Fabric CAT team at Microsoft. I blog about Power BI, Power Query, SQL Server Analysis Services, Azure Analysis Services and Excel. View all posts by Chris Webb
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> …and you can now define security on a dimenion and have this applied to all cubes that dimension is linked to, rather than have to put the same security definition on each cube.Actually this is the same in AS2000 as well – when you define dimension security on database role it automatically applies to all cubes, and can be overwritten by cube roles.