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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Mounting old home directory from Windows 7 Image

I used dd to create an entire image of my hard drive before I reformatted. Windows 7 was installed. I've mounted that image using OSFMount (which, by the way, works great!). The problem I'm ...
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Vulnerability of EFS (Encrypting File System) on Windows 7

I am looking into using EFS (Encrypting File System) at file/folder level on Windows 7. I read Wikipedia article on EFS and it does mention several vulnerabilities related to Windows 2000 and XP. ...
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File Access Denied despite being administrator, owning the files, and having full permissions

I'm trying to copy data from my old laptops hard drive to my new desktop's. But on a certain folder, I can't copy any of the actual files - just the subfolders. I am informed that I require permission ...
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Get EFS to release file so that it can be deleted

I tried to encrypt a very large file 100+ gig using EFS and canceled when it said it was going to take 12 hours. Cancellation hung until I finally rebooted the system and now I'm unable to delete the ...
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Win 7 cannot create file on EFS network share

I have a Win 7 Ultimate desktop machine (server) and a Win 7 Pro laptop (client) on a workgroup network. Both client and server machine have an administrator user account of the same name, with the ...
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785 views

Recover EFS encrypted data from non-bootable Vista x64 drive

My laptop running vista x64 experienced hardware failure. The hard drive appears undamaged, and when I connect it to my win7 desktop, I can read all the files except the EFS encrypted user folder, ...
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Decrypt EFS files

Here's my situation. Was using EFS on my Vista laptop - had a backup of my certificate. HD crashed...managed to recover some of my files (Encrypted) - but they "lost" the "Encrypted" attribute in ...
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What files can EFS encrypt?

What files can/cannot be encrypted with Windows 7 EFS? I am playing around with it in a VM and it seems the only files I cannot encrypt are the files under C:\Windows and files that are currently in ...
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Encryption software as easy to use as EFS

Is there any encryption software that works as transparently to the user as the built in EFS? I am trying to create a relatively secure folder for the users to store documents in, but with some users ...
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Any way to block EFS Data Recovery Agent?

It seems that using EFS is pointless if someone else has access to your computer because of DRA... someone could easily enable the Administrator account set a DRA save the keys disable the ...
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NTFS Directory is encrypted AND compressed?

I was running EFSINFO on my WinXP SP3 machine today, trying to find any EFS-encrypted files on the system. Imagine my surprise when I discovered my C:\xampp\htdocs\ directory is both NTFS-compressed ...
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How to remove Encrypted flag when copying a file from a HDD to a USB drive?

Environment: Windows 7, but applies to other EFS-compatible Windows versions I have a file that is encrypted using standard Windows EFS encryption. When I copy that file to a USB drive using Total ...
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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 - ...
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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, ...
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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 ...
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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 ...
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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 ...
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290 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?
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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 ...
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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 ...
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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 ...
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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?
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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 ...