Consider the following situation. You've captured an image of a 2008 Box and you want to deploy it to another machine. In my case a HP BL460c G7 with the flexnet adapters. During the partitioning stage you get the following error:
Failed to control the device.
You have predefined partitions that may use the GPT format.
Assumptions: Disk 0 is the drive where you want to deploy the OS
Warning! This process is irreversible so be sure that you are performing the operation on the correct disk
On the target machine, if you are not booted to the TakeControl WinPE image then boot to it.
Hit Control-C to break the script execution
type the following to purge all partitions on the disk:
select disk 0
:the following command restarts the script