Hi im a beginner and working as a tech suppport in a big organization to monitor the Lync server, one colleague has created an alarm system using CA spectrum which detects any errors, high cpu utilization etc so he asked me what type of services to be monitored in that alarm system , so i don't know that what are the important services in Lync frontend server,Lync le(edge) server,Lync web server which should be monitored for smooth function of Lync 2013 in our office, when we go to services.msc what are the important services to watch out for ???

please tell me only important services that need to run all time found in services.msc in lync fe server,web server,and le server?????