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8.2. Activating a Host

After a host has been added, or an existing host has been taken down for maintenance, it needs to be activated before it can be used. Red Hat Enterprise Linux 6 hosts need to be activated after being added or upgraded.
To activate a host:
  1. In the Hosts tab (see Figure 8.1, “List of Hosts”), select the host to be activated.
  2. Click the Activate button.
Result:
The host status changes to Up. Virtual machines can now run on the host.