Discontinued Database Engine functionality in SQL Server

Applies to: SQL Server (all supported versions)

This article describes the Database Engine features that are no longer available in SQL Server.

Discontinued features in SQL Server 2022 (16.x) Preview

Discontinued features in SQL Server 2019 (15.x)

  • The following database scoped configuration options are discontinued:


For current configuration options, see ALTER DATABASE SCOPED CONFIGURATION (Transact-SQL).


No features were discontinued in SQL Server 2017 (14.x).

Discontinued features in SQL Server 2016 (13.x)

  • SQL Server 2016 (13.x) is a 64-bit application. 32-bit installation is discontinued, though some elements run as 32-bit components.

  • Compatibility level 90 is discontinued. For more information, see ALTER DATABASE Compatibility Level (Transact-SQL).

  • ActiveX subsystem is discontinued. Use command line or PowerShell scripts instead.

  • Startup parameters -h and -g. For more information, see Database Engine Service Startup Options.

  • Secure Sockets Layer (SSL) encryption is discontinued. Use Transport Layer Security (TLS) instead. For more information, see Enable Encrypted Connections to the Database Engine.

  • precompute rank Server configuration option was discontinued beginning with SQL Server 2008. The article has been removed from documentation.

Previous versions

See also