Scenario: You have Power View integrated with SharePoint. You attempt to create a Power View report that connects to a SQL Server 2014 cube. The connection fails with “Internal Error: An unexpected exception has occurred”. The connection used to work or works with SQL Server 2012 SSAS MD.
Resolution: On the SSAS 2014 server, install Cumulative Update 2 for SQL Server 2014. This article provides more details about the issue.
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