FIX: Duplicate records in the report rendering when you use Lookup function in the expression of a matrix in SSRS 2012 or SSRS 2014
Assume that you use Microsoft SQL Server 2012 Reporting Services (SSRS 2012) Service Pack 1 (SP1) Cumulative Update 8 (CU8) or a later version. When you build a matrix with text box and use the Lookup function in its expression, duplicate records occur in the report rendering.
The issue was first fixed in the following cumulative update of SQL Server.
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 3008416 - Last Review: 06/22/2015 14:14:00 - Revision: 3.0
Microsoft SQL Server 2012 Service Pack 2, SQL Server 2012 Reporting Services, Microsoft SQL Server 2014 Service Pack 1, SQL Server 2014 Reporting Services
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