PowerPivot - Scheduled data refresh get stuck in a loop (runs over and over).

I have had several customers experience the PowerPivot "scheduled data refresh" running over and over when setting the Schedule Details to Monthly and choosing a Day. Refresh Settings: As you can see below, the refresh runs over and over; it's stuck in a loop.  In this case every 5 seconds.  If the Data Model was larger…

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PowerPivot for SharePoint - Browser Refresh Fails (Data Refresh not supported in Office Web Apps)

We have been seeing Excel Services/PowerPivot data refresh issues using SharePoint 2013 and Office Web Apps (OWA).  Some customers have been running into issues when attempting to refresh data in a PowerPivot workbook on SharePoint 2013 using OWA server, and are seeing errors similar to the following: "PivotTable Operation Failed An error occurred while working…

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