File Decryption

File Decryption
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Subject Author Date
File Decryption Dennis R. 08-11-2005
`--> Re: File Decryption Jupiter Jones ...08-11-2005
Posted by =?Utf-8?B?RGVubmlzIFIu?= on August 11, 2005, 12:13 am
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Hi everyone.....

I was wondering if this is possible. Here it goes. I did a clean install
of Windows XP on my machine, I formerly have Windows 2000 in it. When I
installed XP, I had forgotten that I had encrypted files and folders on
another physical harddrive (on the same system) which was formatted in
Windows 2000 prior to the switch. Now I cannot access any of the encrypted
files/folders. I failed to back up the EFS private key on the Windows 2000
platform. So now, I have nothing to go by. Are my files as good as gone?
Any help will be very much appreciated. Thanks

Posted by Steven L Umbach on August 11, 2005, 1:24 am
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More than likely there are gone forever. If the computer is in an Active
Directory domain then there may be a Recovery Agent but it sounds like that
is not the case for you. Another possibility is if you have a backup from
your old installation that includes your user profile from a time after the
files were encrypted. The user certificate/private key for EFS lives in the
user profile though in your situation it could not be recovered for EFS file
access by normal means but would require the paid support from Microsoft or
a recovery program such as the one from ElcomSoft. --- Steve

http://www.elcomsoft.com/aefsdr.html --- ElcomSoft
http://support.microsoft.com/default.aspx?scid=kb;EN-US;223316 --- EFS
best practices.

> Hi everyone.....
>
> I was wondering if this is possible. Here it goes. I did a clean install
> of Windows XP on my machine, I formerly have Windows 2000 in it. When I
> installed XP, I had forgotten that I had encrypted files and folders on
> another physical harddrive (on the same system) which was formatted in
> Windows 2000 prior to the switch. Now I cannot access any of the
> encrypted
> files/folders. I failed to back up the EFS private key on the Windows
> 2000
> platform. So now, I have nothing to go by. Are my files as good as gone?
> Any help will be very much appreciated. Thanks



Posted by Jupiter Jones [MVP] on August 11, 2005, 1:26 am
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Dennis;
Yes, without the keys, your data is as good as gone.
See the links near the bottom of this page for ways to help prevent this in
the future:
http://www3.telus.net/dandemar/encrypt.htm

--
Jupiter Jones [MVP]
http://www3.telus.net/dandemar
http://www.dts-l.org


> Hi everyone.....
>
> I was wondering if this is possible. Here it goes. I did a clean install
> of Windows XP on my machine, I formerly have Windows 2000 in it. When I
> installed XP, I had forgotten that I had encrypted files and folders on
> another physical harddrive (on the same system) which was formatted in
> Windows 2000 prior to the switch. Now I cannot access any of the
> encrypted
> files/folders. I failed to back up the EFS private key on the Windows
> 2000
> platform. So now, I have nothing to go by. Are my files as good as gone?
> Any help will be very much appreciated. Thanks



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