A. ESX 4 introduced a new hardware version that can be assigned to VMs. You should upgrade your VMs to use the ESX 4 version of the VMware Tools prior to upgrading the hardware's version. If you have existing VMs that are using hardware version 4, you can upgrade their hardware by performing the following steps:

  1. Stop the VM whose hardware needs to be upgraded.
  2. Select the Upgrade Virtual Hardware context menu option.

  3. Click Yes in the confirmation dialog.

The hardware in the VM will now be version 7.

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