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When a new VM is created in a vCenter system that is monitored by UIM, that VM is automatically added to UIM. If the UIM Agent is installed on that VM (or if WMI collection is an option), then the UIM Monitoring Station will notice that on a regularly scheduled vSync scan.
When the Agent (or WMI) is discovered, the VM element is converted from using VM-basic collection to use VM+Agent (or VM+WMI) collection. VM-basic collection only collects performance metrics for the VM element from vCenter, whereas VM+Agent collection means that performance metrics for that VM element are collected from vCenter as well as the UIM Agent.
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