KB4522405 - FIX: Non-yielding scheduler error occurs when you run batch query with sort operation in SQL Server 2017 and 2019

Applies to: SQL Server 2017 DeveloperSQL Server 2017 EnterpriseSQL Server 2017 Enterprise Core


Assume that you use SQL Server 2017 or 2019. When you run a batch query with sort operation, you might receive a Non-yielding scheduler error. Additionally, a dump file is generated if the sort spills.


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 updates for SQL Server:
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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:


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