Managing the Host Lifecycle A host’s lifecycle depends in part on whether the host is a standalone host or managed by a vCenter Server system. Reboot and ShutdownYou can reboot and shut down managed and standalone hosts. The ShutdownHost_Task method is not supported on all hosts. Check the host capability shutdownSupported.Using Standby ModeStandby is a power state in which the host does not support provisioning or power on of virtual machines. VMware power management module might evacuate and put a host in standby mode to save power. The host can be powered up remotely by using PowerUpHostFromStandBy_Task.Disconnecting and Reconnecting HostsYou can make a host a managed host by adding it to the vCenter Server system. You can later disconnect and reconnect the host, for example, to refresh the agents.Parent topic: Hosts