Summary
When trace flag 2467 is enabled at the session level, parallel query performance may decrease. This update removes the ability to enable trace flag 2467 at the session level and restricts it to being set as a global trace flag.
More information
This improvement is included in the following update for SQL Server:
Cumulative Update 12 for SQL Server 2017
Note After this update is installed, trace flag 2467 can be enabled for the global level only.
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References
Learn about the standard terminology Microsoft uses to describe software updates.
