Binaryworld - Programmatically start and stop SQL Server main service ... [ SQL Server -> DMO ]

Using the SQL-DMO object model you can programmatically start, stop, pause, and continue the main SQL Server service. In the following code snippet the server is "MyServer", and "sa" / "mypwd" is the user name and password of a user that is allowed to start/stop the service:

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' NOTE: this code assumes that you've added a reference to the
' SQL-DMO type library in the References dialog box

' start, pause, continue and stop SQL Server service
Dim SQLServer As New SQLDMO.SQLServer

' starting the service requires that you specify
' the server's name and user credentials
SQLServer.Start False, "MyServer", "sa", "mypwd"

' pausing, continuing and stopping the service
' doesn't require any additional argument
SQLServer.Pause
SQLServer.Continue
SQLServer.Stop

You can also test the current state of the SQL Server service by means of the Status property:

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' show current state of the service
Select Case SQLServer.Status
  Case SQLDMOSvc_Paused: lblStatus = "Paused"
  Case SQLDMOSvc_Running: lblStatus = "Running"
  Case SQLDMOSvc_Starting: lblStatus = "Starting"
  Case SQLDMOSvc_Stopped: lblStatus = "Stopped"
End Select

Finally, you can programmatically enable or disable the autostart feature (that is, the capability to run the SQL Server service automatically when the system reboots):

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SQLServer.Registry.AutostartServer = True ' autostart SQL Server