This has been seen in some ESX 4.1
You try the autodeploy wizard and it hange at 0%.
You manually deploy the you can't install the VMware tools. You may get an error that it can't mount the CD device.
The VM defaulted to host device for the CD rom after initial install.
Change VM to use the client device, and manually deploy the VMware tools to the Virtual appliance. (See SOL92887)