Most of the customizable RIS images settings are saved in various .sif files. Here are some of the key files with specific details:
Windows Product Key Location:
C:>grep -i product \RISSRV1RIMSHRSetupEnglishImagesWinXP-SP2.srvi386templatesWinXPSP2.sif
ProductID = XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
C:>
Build Administrator Password Location:
C:>grep -i AdminPassword \RISSRV1RIMSHRSetupEnglishImagesWinXP-SP2.srvi386templatesWinXPSP2.sif
AdminPassword = "password"
C:>