PowerPivot for SharePoint Correlation Error on Manual Refresh

Here’s an interesting issue that resolved recently on a SharePoint 2010 Server running PowerPivot. The symptoms of the issue was data not refreshing and when attempting to manually refresh the data from the PowerPivot Gallery resulted in a correlation error. Using the ULS Viewer I found the following error, along with several other ULS log messages indicating permission issues. Application error when access /_layouts/PowerPivot/ViewDataRefreshHistory.aspx, Error=Access … Continue reading PowerPivot for SharePoint Correlation Error on Manual Refresh