How to: Stop SQL Server Agent (SQL Server Management Studio)
The SQL Server Agent can be stopped from SQL Server Management Studio.
Note
To ensure an orderly shutdown, pause MicrosoftSQL Server and stop SQL Server Agent before stopping an instance of SQL Server. You can stop both by using either SQL Server Configuration Manager or SQL Server Management Studio.
To stop SQL Server Agent
In Object Explorer, expand the server instance you want to manage.
Right-click SQL Server Agent, and then click Stop.
A red circle on the icon next to SQL Server Agent indicates that SQL Server Agent stopped successfully.