You can start, stop, restart, or remove a Microsoft Dynamics NAV Server instance by using the Microsoft Dynamics NAV Server Administration tool. When you select a Microsoft Dynamics NAV Server computer in the left pane of Microsoft Dynamics NAV Server Administration tool, it shows all server instances on that computer in the center pane.
To start, stop, restart, or remove a Microsoft Dynamics NAV Server instance
In the left pane of Microsoft Dynamics NAV Server Administration tool, choose a Microsoft Dynamics NAV Server computer.
Unless you are administering a remote computer, this is Microsoft Dynamics NAV (local).
In the center pane, right-click an instance, and then choose Start, Stop, Restart, or Remove.
Choose Restart to stop and then start the instance again.
Choose Remove to remove a server instance.