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This wait type is when a thread is waiting for an SNI listener to be destroyed. The SQL Server Network Interface (SNI) protocol layer is a generic framework for encapsulating TDS packets and communicating with clients over whatever protocol has been configured.
(Books Online description: N/A)
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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 975 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.
Known occurrences in SQL Server (list number matches call stack list):
- Waiting for a listener to be destroyed (in this case, after dropping a Service Broker endpoint)
Abbreviated call stacks (list number matches known occurrences list):
XdesRMFull::`vector deleting destructor’+14