Since the creation of NewSID and it’s creator joining Microsoft, Microsoft has come out stating that the need to change the SID of a cloned computer is a MYTH. For those of us on the field we have learned that this is not always true. Especially in the case of certain antivirus products.
This program does not work for Windows 7 or Windows 2008. Use at your own risk and backup your computer before using.
Here is the program if needed.