FIX: Automatic failover and service outage occur on availability groups in SQL Server 2014

You use the AlwaysOn availability groups feature in Microsoft SQL Server 2014. When a stalled dispatcher system dump occurs, an automatic failover might occur on the availability groups if the AlwaysOn feature is configured to do this. This failover is expected. However, the failover could cause a brief service outage.
This problem was first fixed in the following cumulative update for SQL Server 2014:

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 2014:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 3081020 - Last Review: 08/17/2015 23:28:00 - Revision: 2.0

Microsoft SQL Server 2014 Developer, Microsoft SQL Server 2014 Enterprise, Microsoft SQL Server 2014 Express, Microsoft SQL Server 2014 Standard

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