If an ALTER TABLE query on a system-versioned memory-optimized table in SQL Server 2016 when a data flush task is moving records from the in-memory internal buffer to the disk-based history table, a deadlock condition may occur.
The fix for this issue is included in the following cumulative update 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:
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.