An access violation occurs when you execute two parent packages that run the same child package in parallel in SQL Server 2014 or 2016

Consider the following scenario:
  • You use SQL Server Integration Services (SSIS) with SQL Server 2014 or 2016.
  • You create two SSIS packages that both run the same child package.
  • The child package contains a connection string that is specified by an expression.
  • You execute those two parent packages in parallel.

In this scenario, a race condition that causes an access violation may occur.
This problem was fixed in the following cumulative updates 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:

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.

Article ID: 3168740 - Last Review: 10/18/2016 03:14:00 - Revision: 4.0

Microsoft SQL Server 2014 Business Intelligence, Microsoft SQL Server 2014 Developer, Microsoft SQL Server 2014 Enterprise, Microsoft SQL Server 2014 Enterprise Core, Microsoft SQL Server 2014 Standard, Microsoft SQL Server 2014 Web, Microsoft SQL Server 2016 Developer, Microsoft SQL Server 2016 Enterprise, Microsoft SQL Server 2016 Enterprise Core

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