If you mean that you want to move vm's to another host, then you can use the Move-VM cmdlet for that. For example:
Get-VM-NameYourVM | Move-VM-Destination (Get-VMHost-NameESX1.yourdomain.com)
If you mean that you want to move vm's to another host, then you can use the Move-VM cmdlet for that. For example:
Get-VM-NameYourVM | Move-VM-Destination (Get-VMHost-NameESX1.yourdomain.com)