Your system must meet the technical requirements that are necessary for vRealize Orchestrator to work properly.

For a list of the supported versions of vCenter Server, the vSphere Web Client, vRealize Automation, and other VMware solutions, see VMware Product Interoperability Matrix.
Note: vRealize Orchestrator 8.x does not support changing the time zone of the vRealize Orchestrator Appliance to a time zone other than UTC+0.