To monitor your application services and operating systems, complete all the prerequisites so that cloud proxy can communicate successfully with vCenter Server and the end points. What to read next Port Information and Communication with vCenter Server and the End PointsPort information and communication details with the vCenter Server and the end point VMs for agent installation from the UI and script-based agent install is detailed on this page. Communication with Cloud Proxy and vCenter ServerComplete all the prerequisites required so that cloud proxy can communicate with vCenter Server. Communication with Cloud Proxy and End Point VMsComplete the prerequisites required during the handshake of cloud proxy with the end point VMs. User Account PrerequisitesThere are certain user account prerequisites required for the install of agents. Parent topic: OS and Application Monitoring