PowerPivot for SharePoint 2016 Gallery Snapshots Fail for SSL Host Header Sites

If you have been following the multiple threads  on issues and changes to the PowerPivot for SharePoint 2016 Gallery Snapshots, you may be aware of an issue where gallery snapshots do not function properly (infinite “hourglass”) for SSL sites when there are multiple sites bound to the same port. While not limited to port 443 we will use a generic port 443…

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PowerPivot Workbooks as a Data Source

We have been seeing some issues with customers using PowerPivot workbooks as a source file in new Excel PowerPivot files.  There are a variety of errors that can arise from this process, and this blog is intended to provide you with some troubleshooting steps to resolve the issue. You may or may not be aware,…

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What is PowerPivot for SharePoint? Part 1.

I find myself explaining PowerPivot to customers over and over.  Most understand parts of how it works but not the whole story.  I will touch on two parts; PowerPivot for Excel and PowerPivot for SharePoint. Part 1: PowerPivot for Excel PowerPivot for SharePoint is nothing without the Excel Rich Client and the PowerPivot Add-in.  Pre-Excel…

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Troubleshooting the PowerPivot Gallery. Thumbnails Not Rendering. Invoking and Analyzing the Getsnapshot.exe/Gallerysnapshot.exe

Before you do anything, browse (while logged on the WFE as the account running the Web Application) to C:\Users\<WebAppAccount>\AppData\Local\Temp.  This location MUST exist, I have seen issues where the User Profile for the WebAppAccount does not exist.  This is where the .pngs (thumbanails) are placed prior to being updated in the PowerPivot Gallery.  If they can't be…

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