FIX: Scheduler deadlock on primary replica when you remove a replica from an AlwaysOn availability group in SQL Server 2012 or SQL Server 2014

When you remove a replica from an AlwaysOn availability group, for example, by using the ALTER AVAILABILITY GROUP statement, as follows:

ALTER AVAILABILITY GROUP group_name REMOVE REPLICA ON 'instance_name' [,...n]

You may find "Deadlocked Schedulers" dump files in the error log on the primary replica.

The issue was first fixed in the following cumulative update of SQL Server: Recommendation: Install the latest 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. We recommend that you download and install 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.


ИД на статията: 3088307 – Последен преглед: 10/19/2015 18:52:00 – Редакция: 2.0

Microsoft SQL Server 2012 Service Pack 2, Microsoft SQL Server 2014 Service Pack 1, Microsoft SQL Server 2014 Developer, Microsoft SQL Server 2014 Enterprise, Microsoft SQL Server 2014 Standard

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