FIX: Access violation occurs in AlwaysOn availability groups in SQL Server 2012

Applies to: SQL Server 2012 EnterpriseSQL Server 2012 DeveloperSQL Server 2012 Standard

Symptoms


Assume that you use the AlwaysOn availability groups feature in Microsoft SQL Server 2012. When SQL Server generates a memory dump file, it could cause a failover to be initiated. In this situation, an access violation occurs until both the failover and the memory dump file are completed.

Resolution


The issue was first fixed in the following cumulative update of SQL Server:

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.