The only way to do this is to copy the entire drive, bit for bit. If you clone each partition, you lose out on the wacky Apple GPT/MBR stuff, which means your copy of Windows will die.
The guide on NetRestore seems adequate but highlights the complexity.
It should be possible to copy a drive image for osx, windows, and then update the GPT and MBR manually to match it, though.
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The only way to do this is to copy the entire drive, bit for bit. If you clone each partition, you lose out on the wacky Apple GPT/MBR stuff, which means your copy of Windows will die. The guide on NetRestore seems adequate but highlights the complexity. It should be possible to copy a drive image for osx, windows, and then update the GPT and MBR manually to match it, though.