in reply to Get unique value from computer

What about reading the MAC-address or the CPU-id?

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Re^2: Get unique value from computer
by welle (Beadle) on Apr 01, 2011 at 12:34 UTC

    Thankyou for your suggestions. I think I'll go for the MAC Adress. This seems to me a viable solution (and a relative stable value overtime).

    Welle

      Just to be clear, people could change their MAC address, or get the Perl source of your executable and alter hardcoded values. Perhaps worth keeping in mind depending on what you're shipping.