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Who is this mystery man?
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Because PowerPivot for Excel and PowerPivot for SharePoint involves so many components from SQL Server 2008 R2 Analysis Services, Office 2010, and SharePoint 2010, this poster provides an end-to-end view of the PowerPivot Security Architecture in one view. This view includes nearly all of the logical security surface areas and illustrates how these systems interact. Included [...] As noted in a previous blog post on debugging “The data connection uses windows authentication and user credentials could not be delegated” there are times (very rare times) when the issue is a problem with your Active Directory configuration. I want to reiterate that this is rare and it is usually something as simple as [...] This is one of the two main errors that users could see from Excel Services when using PowerPivot. This is encountered when refreshing PowerPivot data connections or performing an action which requires re-querying the PowerPivot database, such as clicking on a slicer or expanding a node in a pivot table. To debug, some level of [...] I am inspired by a recent post from a colleague about the various issues that can come up with Excel Services delegation (see a Denny Lee’s blog here: http://dennyglee.com/2009/11/18/troubleshooting-powerpivot-excel-services-connectivity/) and I wanted to take it a bit further (and maybe a bit ‘geekie’-er) First, why is this a problem? After all, as you can see in [...] Several new SharePoint 2010 configuration issues will impacting some PowerPivot sites and I wanted to share them with you. These restrictions are with Excel Services and have to do with the way that Windows authentication is handled, i.e. you have set the Excel Services authentication set to “Windows”, not using Secure Store or “None”. This impacts PowerPivot [...] Have you ever had to do something that you knew (you just KNEW) that lots of folks were going to scream – and scream loud – about? This is one of those cases – I can just feel it! Ok, here goes. There have been several recent newsgroups postings concerning why we require domain accounts [...] |
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