Which components of Microsoft SQL Server 2016 require a license?

The following components of Microsoft SQL Server 2016 require a license:

  • SQL Server Database Engine (DB)
  • SQL Server R Services for Windows
  • Master Data Services (MDS)
  • Analysis Services (AS)
  • Integration Services (IS)
  • Reporting Services (RS)
  • Data Quality Services (DQS)

The following components and documentation do not require a license and can generally be distributed:

  • SQL Server Management Studio
  • SQL Server Configuration Manager
  • SQL Server Profiler
  • Database Engine Tuning Advisor
  • Data Quality Client
  • SQL Server Data Tools
  • Software Development Kits/SDK (bspw. Clienttools SDK)
  • Distributed Client
  • Connectivity Components (bspw. Client Tools Connectivity)
  • Software Add-Ins (for example Reporting Services Add-In for Sharepoint)
  • SQL Server Books Online

Sources:

Microsoft SQL Server Licensing Guide, as is 2016-08-28
Microsoft Product Terms August 2017