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HADR_AR_MANAGER_MUTEX

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Description:

TBD

(Books Online description: “Occurs when an availability replica shutdown is waiting for startup to complete or an availability replica startup is waiting for shutdown to complete. Internal use only. Note: Availability replica shutdown is initiated either by SQL Server shutdown or by SQL Server handling the loss of quorum by the Windows Server Failover Clustering node. Availability replica startup is initiated either by SQL Server startup or by SQL Server recovering from the loss of quorum by the Windows Server Failover Clustering node.”)

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Added in SQL Server version:

2012

Removed in SQL Server version:

N/A

Extended Events wait_type value:

The map_key value in sys.dm_xe_map_values is 834 in 2012 and 853 in 2014 RTM. After 2014 RTM, you must check the DMV to get the latest value as some map_key values have changed in later builds.

Other information:

N/A

Known occurrences in SQL Server (list number matches call stack list):

  1. TBD

Abbreviated call stacks (list number matches known occurrences list):

  1. TBD