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Assume that you use Distributed Transaction Coordinator (DTC) transactions in SQL Server 2019 with Tempdb Memory-Optimized Metadata mode enabled. In some scenarios, DTC transactions involving tempdb metadata-related operations could fail internally, with an error related to transactions on memory-optimized tables not being supported in DTC scenarios. However, since DTC transactions are actually supported with memory-optimized tempdb system tables, this update fixes the issue by avoiding raising the error message.


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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