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

Connect to a vSphere server.

1

View all hosts on the vSphere server 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