Following an upgrade of vCenter Server to 8.0U3 workflows which use the 'com.vmware.library.vc.vm.power' (and similar other Guest OS related workflows) fail.
Environment
VMware Aria Automation Orchestrator 8.16.x
VMware vCenter Server 8.0U3 and higher
Cause
VMware vCenter Server 8.0U3 and higher are only supported from Aria Automation Orchestrator 8.17 upwards.
Resolution
Upgrade to Aria Automation Orchestrator 8.17 or above to alleviate the issue.