Windows 2000 build 2078

Windows 2000 build 2078 is mentioned in the Windows XP Service Pack 1 source code three times in the file :

// Before build 2078, we store the boot option in SAM hive.

// for the old build < 2078, switch to SAM hive to get the

// Since build 2078, we no longer store BootAuthType in SAM hive,