Start or stop the Application Object Server Windows service
You can start, stop, or restart the Application Object Server (AOS) Windows service from the Microsoft Windows Services utility.
Click Start > Control Panel > Administrative Tools > Services.
In the details panel (right pane), do one of the following:
Select the service that has a name in the format Dynamics AX Object Server<$InstanceNumberAOSInstanceName>**. In the toolbar, click the Start Service, Stop Service, or Restart Service icon as appropriate.
Right-click the service you want to change, and then click Start, Stop, or Restart.