Created a top level Business Intelligence site and uploaded the PowerPivot document to the powerpivot library but cannot refresh powerpivot document
the error msg i get when trying to refresh displayed powerpivot doc in sharepoint is:
"Access was denied by the external data source. The following connections failed to refresh: PowerPivot Data : ...
Skills: microsoft sharepoint administration, microsoft sharepoint development, powerpivot, sql server 2008