This procedure only applies to the App Server Database.

1. Select Start > All Programs > Microsoft SQL Server 2012 > SQL Server Management Studio. The SQL Server Management Studio dialog opens.
2. In the Object Explorer pane, select the server, right-click and select Properties. The Server Properties dialog opens.
   
3. In the Select a page pane, click Security.
4. In the Server authentication section, turn on SQL Server and Windows Authentication mode.
5. Click OK to exit the Server Properties dialog.
6. From the Control Panel, select Administrative Tools > Component Services.
7. In the left pane of the Component Services window, select the Services (Local).
8. From the list of Services in the middle pane, select SQL Server (MSSQLSERVER), and from the Actions pane, expand More Actions.
9. Click Restart.
10. When SQL Server has been started again, close the Component Services window.