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For example, Microsoft SQL Server 2017 (64-bit). Select Microsoft SQL Server (Version) (Bit). To begin the removal process navigate to Settings from the Start menu and then choose Apps. To uninstall SQL Server from Windows 10, Windows Server 2016, Windows Server 2019, and greater, follow these steps: The files that you must save include the following database files: For more information about system databases see System databases. The msdb database contains job information such as SQL Server agent jobs, backup history, and maintenance plans. The master database contains all system level information for the server, such as logins, and schemas. Either create full backups of all databases, including system databases, or manually copy the. Files with tempdb_mssql_*.ndf name pattern are deleted if they exist in the system database directory.īack up your data.

Uninstalling SQL Server deletes tempdb data files that were added during the install process.

The SQL Server Browser service can be removed manually from Programs and Features in the Control Panel.

On a system with multiple instances of SQL Server, the SQL Server browser service is uninstalled only once the last instance of SQL Server is removed.

Insufficient virtual memory can result in an incomplete removal of SQL Server.

If your computer has the minimum required amount of physical memory, increase the size of the page file to two times the amount of physical memory.

To uninstall SQL Server, you must be a local administrator with permissions to log on as a service.

For more information, see Add or Remove Nodes in a SQL Server Failover Cluster (Setup) Considerations

To uninstall a SQL Server failover cluster, use the Remove Node functionality provided by SQL Server Setup to remove each node individually.