Cumulative Update information
To enable this feature improvement, enable the SQL Server trace flag 7471.
Trace flag 7471 is a global trace flag. It can be specified as a startup parameter by using the dbcc traceon (7471,-1) or the -T7471 option in the command line argument.
This feature improvement was first introduced in the following cumulative update of SQL Server.
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:
Microsoft supports this feature enhancement in the Microsoft products that are listed in the "Applies to" section.
For more information about this enhancement, see the following MSSQL Tiger Team Blog article:
Boosting Update Statistics performance with SQL 2014 SP1/CU6