machine GUID

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C#

Hello
How can i get the machine GUID for code password?
Thanks

Posted 16-Feb-10 20:39pm

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Kurtz NatureBoy · Answer 1 · 2010-04-29T02:09:00

If you want to get the MachineGUID created by windows on installation you can read it direct from the registry here:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

If you need to uniquely identify machines you will soon find that this GUID
is not actually universally unique and you will get duplicates. To get around this you can create and store your own. I ran into the same problem and wrote an article which covers the solution I found in detail :

http://www.eigo.co.uk/Machine-Universally-Unique-Identifier.aspx

Hope this helps :)

Richard MacCutchan · Answer 2 · 2010-02-16T23:21:00

Solution 1

Your question is not clear, if you mean a fixed GUID then what exactly are you asking? If you mean a random GUID then you can use the guidgen program that ships with the Windows SDK from Microsoft. It may also help to try and explain what it is you want to achieve.

Posted 16-Feb-10 23:21pm

Richard MacCutchan

Nicholas Butler · Answer 3 · 2010-02-16T23:42:00

There is no such thing.

You can try using the Windows serial number, or the serials of bits of hardware in the machine, but ultimately you're just going to annoy your legitimate users without stopping the pirates.

Issue license keys like everyone else and accept that if your product is popular there is nothing you can do to thwart determined thieves.

Nick

machine GUID

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