Validate that each troubleshooting step below is true for your environment. The steps will provide instructions or a link to a document, for validating the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and identify the proper resolution. Please do not skip a step.
For more information on installing or upgrading your ESX/ESXi host, see the VMware Documentation site.
Supported host operating systems for VMware vCenter Server installation (including vCenter Update Manager and vRealize Orchestrator)