You can add standalone hosts to a vCenter Server system by using the Add-VMHost cmdlet. After adding the hosts, you will be able to manage them through the vCenter Server system.

Verify that you are connected to a vCenter Server system.

1

View all hosts on the vCenter Server system that you have established a connection with.

Get-VMHost
2

Add the Host standalone host.

Add-VMHost -Name Host -Location (Get-Datacenter DC) -User root -Password pass