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…


PowerPivot for SharePoint – Gallery Thumbnails Not Rendering

Many customers have reported after uploading a workbook to the PowerPivot Gallery, the thumbnails are not rendering: Snapshots will not work if you have chosen to open the workbooks in the Client application. To remedy this, follow the below instructions: To set the default open behavior for site collections In the SharePoint site collection, click…