Article ID: 2854370 - View products that this article applies to.
Consider the following scenario:
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.
Cumulative update information
Cumulative update 5 for SQL Server 2012 Service Pack 1The 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:
2861107Note 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:
(http://support.microsoft.com/kb/2861107/ )Cumulative update package 5 for SQL Server 2012 Service Pack 1
(http://support.microsoft.com/kb/2772858/ )The SQL Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was released
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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