This update enables PolyBase technology in Microsoft SQL Server 2016 and 2017. This enables connection to SSL-secured Hadoop clusters and access to Encryption Zones.
This update is included in the following cumulative updates for SQL Server:
Cumulative Update 3 for SQL Server 2017
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 SQL Server:
Learn about the terminology Microsoft uses to describe software updates.