Symptoms
Consider the following scenario:
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You publish a SQL Server 2014 or 2016 Reporting Services report that contains multiple pages to a report server.
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The report contains images that reference binary image data in a database.
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The images are located in the report header or report footer area.
In this scenario, when you export this report to a PDF file, the file size of the PDF file is larger than the PDF file that is generated by an earlier version of SQL Server.
For example, for a six-page report, the file size of the PDF file that is generated by an earlier version of SQL Server may be 100 KB. However, the file size of the PDF file that is generated by SQL Server could be six times larger, or 600 KB.
Resolution
This problem was fixed in the following cumulative updates for SQL Server:
Cumulative Update 8 for SQL Server 2014 Service Pack 1
Cumulative update 2 for SQL Server 2014 SP2
Cumulative Update 2 for SQL Server 2016
Cumulative Update 1 for SQL Server 2016 SP1
About cumulative updates for SQL Server
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 2014
Latest cumulative update for SQL Server 2016
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 Microsoft uses to describe software updates.
