Symptoms
Consider the following scenario:
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You have a web application that uses claims-based authentication in Microsoft SharePoint 2013.
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You have a Microsoft Excel workbook that uses a BI semantic model connection (.bism) file to connect to a Microsoft SQL Server Analysis Services (SSAS) instance that is running in Tabular mode. The .bism file was created inside the SharePoint farm, and the SSAS instance is running outside the farm.
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You publish the workbook on a SharePoint site, and then you open the workbook by using the web application.
In this scenario, you cannot update the data in the workbook. Additionally, you receive the following error message:
External Data Refresh Failed
An error occurred during an attempt to establish a connection to the external data source. The following connections failed to refresh: PowerPivot Linked Data.
Resolution
Cumulative update information
Cumulative update 5 for SQL Server 2012 Service Pack 1
The fix for this issue was first released in Cumulative Update 5. For more information about how to obtain this cumulative update package for SQL Server 2012 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
2861107 Cumulative update package 5 for SQL Server 2012 Service Pack 1Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 Service Pack 1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2772858 The SQL Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was released
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
