KB4467074 - Update disables trace flag 2467 at session level to prevent a performance issue for parallel queries in SQL Server 2017

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.

About SQL Server builds

Each new build for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for your version of SQL Server:

SQL Server 2017 build versions

References

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