When you add an ESX/ESXi host to a vSphere cluster that vCloud Director uses, you must prepare the host before a provider virtual datacenter can use its resources. You can unprepare a host to remove it from the vCloud Director environment.

About this task

For information about moving running virtual machines from one host to another, see Move Virtual Machines from one ESX/ESXi Host to Another.

You cannot prepare a host that is in lockdown mode. After you prepare a host, you can enable lockdown mode.


Before you can unprepare a host, you must disable it and ensure that no virtual machines are running on the host.


  1. Click the Manage & Monitor tab and click Provider VDCs in the left pane.
  2. Right-click the provider virtual datacenter name and select Open.
  3. Click the Hosts tab.
  4. Right-click the host name and select Prepare Host or Unprepare Host.


vCloud Director prepares or unprepares the host for all provider virtual datacenters that use its resources.