In Virtual Machine Manager (VMM) 2008, pending hosts are cluster nodes that VMM discovers and that are not currently being managed by VMM.To add pending hosts to Virtual Machine Manager
In the VMM Administrator Console, click the Hosts view.
In the Filters area, expand Status, and then select the Pending check box.
The results pane is now filtered to display only hosts that have a Pending status.
In the results pane, click a host with a Pending status and then, in the Actions pane, click Add to host cluster.
In the Add Hosts to Host Cluster dialog box, enter the credentials for an account that has administrator rights on the host, and then click OK.
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.