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Cannot refresh OLAP-based data in Excel Services workbook in browser (SP 2010 / Project Server 2010)

Posted By:      Posted Date: November 02, 2010    Points: 0   Category :SharePoint
 

Hello,

In SharePoint 2010, Project Server 2010, Business Intelligence Center, upon attempting to refresh OLAP data in an Excel chart in the browser, the following error appears:

Excel
-----
An error occurred during an attempt to establish a connection to the external data source.  The following connections failed to refresh:

My ODC Connection Name
-----
OK

We have loaded and configured Project Server 2010 according to spec (http://technet.microsoft.com/en-us/library/ee662109.aspx).  Excel Services is configured according to spec (global settings, trusted file locations, trusted data providers and trusted data connection libraries).  The Secure Store Service is configured with the ProjectServerApplication target application. 

Non-OLAP data refreshes of spreadsheet data work fine in the browser.  OLAP data refreshes in the Excel client itself work fine.  Only the OLAP refreshes in the browser fail.  The problem occurs whether using a Microsoft ODC or one that we created (saved in a trusted location).

The ULS log has only one error, which is:

06/21/2010 13:47:17.86  w3wp.exe (0x1238)               &


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I have published vdw diagram in Sharepoint 2010 Shared Documents. The diagram data is linked to SQL database.

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