Use the Delete host group action in Hosts view to delete a host group. Before you can delete a host group, you must move all virtual machine hosts out of the host group and any child host groups.To delete a host group
In Hosts view, in the navigation pane, navigate to the host group that you want to delete.
In the Actions pane, under Host Group, click Delete.
Note If a host group or any of its child host groups contains any hosts, you cannot delete the host group.
For the most up-to-date Help information, go to the Virtual Machine Manager 2008 Help Online. To find additional Virtual Machine Manager 2008 documentation, go to the Virtual Machine Manager 2008 TechCenter Library.