You can register Orphaned VM which is not a part of vCenter Inventory or ESXi..
When you connect to VMware vCenter Server 5.5 or 6.0 using Vsphere Cline or Web Client following Message shown in Host’s Summary TAB.
An affinity rule is a setting that establishes a relationship between two or more VMware virtual machines (VMs) and hosts. Affinity rules and anti-affinity rules tell the vSphere hypervisor platform….
Alert Alarm triggered – Host IPMI System event Log Status
Error ESXi Shell and SSH appear on an ESXi 5.x host summary Tab. ESXi host shows these errors: -> ESXi Shell for the Host has been enabled -> SSH….