You got it. The other value specifies the Source Drive.
I'll try to put it as English as possible:
On some releases of NT/2k you cannot specify a path, only a drive letter
followed by a colon. What you see is "D:" there. If you were to try and do
"C:\i386\InstallSet" or something it probably will not work. (I have heard
of a way to force it, but that is far to technical for this post).
If you intend on updating NT/2K without the CD, then simply map a network
drive to a local share. Simply share the install folder you have on a
harddrive as "2KInstall" (or whatever) and map drive letter I: to it or
something. This can all be done using simple techniques.
Then, change the registry value to I:
Make sure you back up the registry. The only limitation with this trick is
that there will be a point in time while the system restarts that network
access wouldn't have been activated yet, so if you form a full Win2K
re-install, you will have to revert the key back to the CD-ROM drive.
Let me know. --BZ