RE: System File Checker Tool Run By Disk in Windows Vista & 7?

Hello. I am going to ask a question. This concerns System File Checker (SFC) tool within Windows operating systems. I know with Windows XP, you can use SFC in combination with Windows File Protection to repair many Windows files. I know it needs to reference the Microsoft factory CD-ROM of Windows XP to access files within the disk, especially the I386 folder. I understand that Windows Vista & 7 integrates the System File Checker within the Windows File Protection. When you run SFC at a command prompt in Windows Vista & 7 with administrator access, you do NOT need the Microsoft factory DVD-ROM. It is an internal process in Windows Vista or 7. Is there a way to get Windows Vista or 7 TO HAVE TO USE THE FACTORY DVD-ROM like in Wndows XP? Any registry changes? Add a script? Programs to install?

Please provide detailed steps that are elementary to understand.

Thank you!