FIX: User authentication failure in SSRS 2016 due to Report Server Web Service URL truncation under Custom Security Extensions deployment

Se aplica a: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core

Symptoms


If you implement the custom security extensions and configure to use forms authentication in Microsoft SQL Server 2016 Reporting Services (SSRS 2016), you will find that the Report Server web portal URL is working fine. However, the Report Server Web service URL is getting truncated with a dropped query string when it redirects to the authentication page for unauthenticated users which makes the user authentication to fail.

Resolution


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

       Cumulative Update 2 for SQL Server 2016 SP1

 

Status


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

References


Learn about the terminology that Microsoft uses to describe software updates.