Re: decrypting a file
From: Roger Abell [MVP] (mvpNOSPAM@asu.edu)
Date: 01/18/03
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From: "Roger Abell [MVP]" <mvpNOSPAM@asu.edu> Date: Sat, 18 Jan 2003 14:33:14 -0700
First, are you sure you did use EFS, and so the lack of
access is not simply NTFS permissions ? Sorry, but they
look much alike.
How did you make a backup of the system from the 4 gig
drive, while booted into the new install, if the drive had
crashed ? Evidently you mean some software level thing
when you say it stopped booting.
It is something of a miracle, if I have followed you, that
after you restored the backup from the 4 gig on top of the
new install in one of the 5 gig, while that 5 gig image was
running (right ?) - well, it is something of a miracle that
you ended up with something bootable (even if the old
4 gig system was able to boot up at time the image was
taken).
Generally you may have some luck with a static image
taken as you did, if when you restore it you restore it to
a partition that will have the same drive letter as what
the image came from, and all else looks the same (programs
that load drivers are in the same place, etc. if they are on
one of the other partitions). This would be such as using
a build on the 15 gig to take an image of the 4 gig, replacing
the 4 with a new 80 gig, making it bootable (this can be later
with a repair action, or by doing a quick simple install), and
then running the 15 gig build to copy the image back onto
the lead partition of the new 80.
The problem you have is that it still will not boot if it was
not booting due to software when you make the image.
You ask whether/where the cert/key stuff is. Well yes it is
on the disk, and so in your backup. However, that does not
mean that you can get at it in a meaningful way. It is stored
in a way that requires the system to be running in order to
decrypt and access them.
If you still have the 4 gig, and the disk is not dead, your best
bet is to fix the non-boot situation. Depending on why it is
not booting, and what you get for info, there are a number of
approaches, with the last chance try being a repair/upgrade
install (this is not the first place you are asked if you want to
do a repair, it is the second place).
-- Roger "Ron" <rlmdallas@yahoo.com> wrote in message news:652201c2be5d$5310ef90$d4f82ecf@TK2MSFTNGXA11... > I had an XP Pro system with 2 physical drives (1 4gig, 1 > 15gig). The 4gig drive had my OS on it by itself with > one partition (C drive). The 15gig had 3 partitions (D, > E, and F), one for programs (software), one for music, > and one for other stuff. The 4gig stopped booting and I > had to create an OS drive on one of the 15gigs partitions > so I could boot my computer up. Once I booted my > computer up, I was able to see the original OS drive from > the 4gig. I then used Windows backup utility to create a > backup of the original OS drive from the 4gig. When I > restored the backup file to the new OS drive on the > 15gig, I was unable to decrypt files that were located on > the programs partition (E drive). I encrypted them while > the OS was on the 4gig drive (seperate physical drive). > Since I have a backup of the original OS drive contents, > can I retrieve the encryption keys necessary to decrypt > my files? Wouldn't the encryption keys or certificates > that were created when I encrypted the files still be > located in the backup file? Any help would be greatly > appreciated, I hope I have given you enough information > to see what has happened. These files are extremely > important and need to be decrypted. Thanks again.
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