FIX: Deadlock errors when you run an SSIS package in parallel in SQL Server

Applies to: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core

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

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.