PowerPivot & Claims Based Authentication–Is there hope in SQL 2012?
I promised an update on this in my previous article and it is time to share what I have learned. The issue: As many of us have painfully found, PowerPivot v1 on a Claims Based Authentication web application is not supported in SharePoint 2010. I had a case open with Microsoft last year that had the aspirations of rectifying that situation. We had hoped that working with the PowerPivot team (a part of the SQL Server Product team) and the…