D'oh! Backup issue solved

From: Cameron Kaiser <spectre_at_stockholm.ptloma.edu>
Date: Sat Sep 2 21:58:12 2000

> > > loads of hardware and most work fine. What I find lacking is the ability
> > > to
> > > IMAGE copy the disks(for NT4) replace the disk and write it back. I'm
> > > used
> > > to doing this with VMS to clone a disk and it's a life saver.
> >
> > Around Point Loma they use a Symantec utility called GHOST to do this. I
> > ghosted two NT workstations this way to make a template backup. One small
> > detail, though, is that you have to fix security IDs when you're done, but
> > the GHoSTWALK utility makes this easy to do.
>
> I think they include a utility called SID? to do that. Also, my
> understanding is that the SID is assigned automatically when the machine is
> first connected to the network. I ghosted the drives from a newly installed
> system that had not been connected to the network and things seemed to work
> out just fine.

No, the SID (as I recall from my guilty little store of NT data) is
generated off hardware to prevent someone from simply putting the name of a
trusted host on an NT machine and entering it into the NT domain. If the
SID doesn't match, the machine isn't granted entrance. Therefore, it would
have to be have been assigned *before* it is connected to the network, and
according to our local MCSE, it's totally intrinsic to the machine's hardware.

What Ghostwalk does is to replace all occurrences of the first SID with the
second. Combine this with the -NTN option to stop CHKDSK from undoing all
your good work and the new SID goes in just fine. After that, you have to
remove and re-add the machine to the particular NT domain so that the domain
controller knows about the SID change, too.

Windows networking is just *weird* :-P

-- 
----------------------------- personal page: http://www.armory.com/~spectre/ --
 Cameron Kaiser, Point Loma Nazarene University * ckaiser_at_stockholm.ptloma.edu
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Received on Sat Sep 02 2000 - 21:58:12 BST

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