Check VM Alive activity The Check VM Alive activity uses the VMware API to determine if a newly configured virtual machine is alive. The virtual machine is alive if its state is powered on and it uses the same IP address it was configured to use. These variables determine the behavior of the activity. Table 1. Input variables Field Description vCenter IP address of the vCenter server that manages the virtual machine to check. IP Address The IP address that the virtual machine with the VM uuid parameter should have to be declared alive. VM uuid The VMware universal unique identifier assigned to this virtual machine. The Virtual Machine UUID topic provides instructions on properly formatting the unique identifier for creating a workflow.