Is DiskDrive Signature unique?

Posted by Ananth on Stack Overflow See other posts from Stack Overflow or by Ananth
Published on 2010-04-12T11:14:15Z Indexed on 2010/04/12 19:42 UTC
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I am currently using WMI to query various details about the underlying hardware in order to uniquely identify a machine. To this end, I came across a field called "Signature" under "Win32_DiskDrive". Is this signature unique across machines (globally)? Can this be used reliably to identify the machine?

Thanks, Ananth

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