LIOT/StartService/Service1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;

namespace StartService
{
    public partial class Service1 : ServiceBase
    {
        private System.Timers.Timer timer1 = new System.Timers.Timer();
        public Service1()
        {
            timer1.Interval = 1800000;
            timer1.Elapsed += Timer1_Elapsed;
            InitializeComponent();
        }

        private void Timer1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
        {
            timer1.Stop();

            try
            {
                ServiceController serviceController = new ServiceController("EMIS.Service");
                if (serviceController.Status != ServiceControllerStatus.Running && serviceController.Status != ServiceControllerStatus.StartPending && serviceController.Status != ServiceControllerStatus.ContinuePending)
                {
                    serviceController.Start();
                }
            }
            catch (System.Exception err)
            {
                
            }

            timer1.Start();
        }

        protected override void OnStart(string[] args)
        {
            timer1.Start();
        }

        protected override void OnStop()
        {
            timer1.Stop();
        }
    }
}