Sidchg provides a streamlined way to change these SIDs without the full overhead of a Sysprep generalization. The Role of the Sidchg License Key
"I recommend that you stop using NewSID. With the changes we made in Windows Vista and Windows Server 2008, NewSID is no longer necessary and might not work correctly." sidchg licence key
SIDCHG license key is an activation string used for the utility, a command-line tool developed by Stratesave Sidchg provides a streamlined way to change these