Assume you have the Tempdb Memory-Optimized Metadata feature enabled in SQL Server 2019. When Tempdb catalog views are accessed after specifying an explicit transaction isolation level, you may receive an error message that resembles the following:


SELECT * FROM tempdb.sys.tables;

Msg 41332, Level 16, State 0, Line LineNumber Memory optimized tables and natively compiled modules cannot be accessed or created when the session TRANSACTION ISOLATION LEVEL is set to SNAPSHOT.


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


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

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