Assume that you have an Always OnAvailability Group (AG) and QDS enabled in Microsoft SQL Server 2016. In some cases, for some cross database transactions, you may notice that access violation occurs.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all thehotfixes and all the security fixes that were included with the previouscumulative update. Check out the latest cumulative updates for SQL Server: