To Start and stop service in axapta by code You first add reference System.Service Process in Application Object tree (AOT) on reference node after doing this you can add following code in job.
System.ServiceProcess.ServiceController ServiceController1 = new
System.ServiceProcess.ServiceController();
;
ServiceController1.set_MachineName(‘.’);
ServiceController1.set_ServiceName("IISADMIN");
ServiceController1.Stop();
sleep(500);
ServiceController1.Start();