You can use VM or host groups to limit the scope of VM-VM affinity rules or VM-host rules.
Apply a VM/host group—Specify a VM group and a host group when you configure a VM-host affinity rule. For more information, see "Configure affinity rules."
From the navigation pane, select Data Center > Virtualization > Cluster name.
Click More, and then select VM/Host Groups.
Click Add.
Configure the parameters, and then click OK.
From the navigation pane, select Data Center > Virtualization > Cluster name.
Click More, and then select VM/Host Groups.
Click Edit for a VM/host group.
Edit the parameters, and then click OK.
From the navigation pane, select Data Center > Virtualization > Cluster name.
Click More, and then select VM/Host Groups.
Click Delete for a VM/host group.