I am sorry but rapid cloning was removed from the 7.0 appliance several years ago as it was not used by many customers. This was probably due to the increased use of virtual desktop brokers from VMware and Citrix.
You can use PowerCLI or other APIs to automate the creation of multiple VMs. We have a short example script that we were trying to place on the Support site ToolChest. That posting has not been completed, but if you send me your contact information I can send it to you for your reference.
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