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This wait type is when a Service Broker worker thread is waiting for a message to be received on a specific queue as part of an activation procedure.
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Added in SQL Server version:
Removed in SQL Server version:
Extended Events wait_type value:
The map_key value in sys.dm_xe_map_values is 829 in 2012 and 848 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.
The wait time for each wait incurred may be up to the timeout specified in the WAITFOR (RECEIVE) statement (or 60 seconds if no timeout is specified). This is a normal wait to see in any environment using Service Broker activation procedures.
Known occurrences in SQL Server (list number matches call stack list):
- Waiting for a message to be received on a specific Service Broker queue as part of an activation procedure
Abbreviated call stacks (list number matches known occurrences list):