Assume that you have page compression enabled on some tables in Microsoft SQL Server. When you try to access one of the tables, an access violation occurs.
This problem is fixed in the following updates for SQL Server:
Cumulative Update 12 for SQL Server 2014 Service Pack 2
Each new cumulative update for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for your version of SQL Server:
To work around this problem, disable page compression on tables.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminology Microsoft uses to describe software updates.