unique cpuid not possible?

[cyrilj]

hi,
i wanted my program to run only on a system that i intend it to. i tried cpuid() but it does not return any unique values as such. a general google research said that it is not possible to do so post pentium3...is it true? and is there any other way?

and is picking up the Windows code advisable???

[cyrilj]

i was tryin for the cpu serial number btw...is there any other unique id that can be used? and i looked into the forums as well...there seems to be no resolved questions like this.

[roberts]

I think the ability to identify a cpu as unique from others of the same make and model was deprecated due to privacy concerns.

Might want to use a conglomeration of cpu and installed devices instead.

[clanmjc]

Win32_Processor class
http://msdn.microsoft.com/en-us/library/windows/desktop/aa394373%28v=vs.85%29.aspx