Questions tagged [efs]

EFS (or Encrypting File System) is a feature included in some high-end versions of Windows Vista and 7 which allows the user to encrypt data on a filesystem level.

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votes
1answer
7k views

Who can decrypt EFS files?

I'm running Windows 7 Professional at home and decided to encrypt some of my files using the built-in EFS. My understanding is that only the account that encrypted the files can also read them again - ...
30
votes
7answers
34k views

I started getting a weird message “Encrypting file system - Back up your file encryption key”

I started getting a strange message when I start my computer. An icon appears in the system tray, and a popup tells me "Encrypting file system - Back up your file encryption key". I know what EFS is, ...
1
vote
2answers
135 views

EFS recovery given everything but the Registry

I have an unfortunate problem: my old Win Xp installation has died, probably due to the hard drive failing. The drive now fails all SMART tests, but I can get files off it OK. I have now installed ...
2
votes
2answers
3k views

Unexpected Access Denied error while accessing EFS encrypted file

I am getting Access Denied error when I try to access some files. ACL is OK, all ACE's all intherited, I have full access to these files and I am the owner of these files. ACE's are exactly same as ...
7
votes
1answer
976 views

Encrypting search index using EFS

Is there anything wrong with encrypting the search index with EFS while letting the search service index encrypted files? I've encrypted the directory %ProgramData%\Microsoft\Search and I've added ...
1
vote
2answers
309 views

How do a run EFS decrypt on a directory?

In that directory, there's a mix of EFS-encrypted files, and just normal files. Is there a simple way to decrypt everything?
2
votes
1answer
262 views

Why are some folders green colored on an external drive in Windows? [closed]

i just did a reinstalation of windows, noobish as i am i didnt notice the green colored folders on my external harddrive as i copyed my most beloved files. so i wonder if there is anyway to get pas ...
4
votes
1answer
4k views

EFS recovery from backed up registry files?

Here's what I have: Backed up encrypted files Backed up registry files (ntuser.dat) password The original OS (Windows XP) hosting the EFS encrypted files is gone. I do not have a backed up key file....
7
votes
3answers
5k views

EFS - Find out what's encrypted

Since a few days when I start Windows Vista i get a Popup from "Encrypting File System" (coming from process efsui.exe) asking me to backup the certificate and key. I don't know what i did to get ...
4
votes
2answers
1k views

What happens with EFS-encrypted files, if I install Windows 7?

I'm going to update my OS from Vista to Windows 7. I got some files (not on the OS-partition) encrypted with EFS. What happens if I install Windows 7? Will I still be able to access my files?
6
votes
1answer
975 views

Getting Through EFS (Encrypted File System)

I'm 99% sure, at this point, that the answer is, "not possible." But I figured there are tons of smart people here who might be able to help me out, even if that help is just to validate that it's not ...

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