Consider the following scenario:

  • You use Microsoft SQL Server 2016 Reporting Services (SSRS 2016).

  • You upload a report that contains an expression-based connection string to the SSRS, and configure the data source settings.

  • When you try to save the credentials in the data source setting, you may notice that the text box that contains the expression-based connection string will be cleared out and the report fails to run.


This issue is fixed in the following cumulative update for SQL Server:

       Cumulative update 8 for SQL Server 2016 SP1

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

Latest cumulative update for SQL Server 2016


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


Learn about the terminologythat Microsoft uses to describe software updates.

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