Symptoms
Assume that you use Microsoft SQL Server Integration Services (SSIS). When you run the SSIS package in parallel, you may experience deadlock errors.
Resolution
This issue is fixed in the following cumulative updates for SQL Server:
Cumulative Update 16 for SQL Server 2017
Cumulative Update 2 for SQL Server 2016 Service Pack 2
About 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:
Workaround
To work around this problem, change the SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement to SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
SET TRANSACTION ISOLATION LEVEL (Transact-SQL)
Learn about the terminology Microsoft uses to describe software updates.
