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Questions tagged [encrypting-file-system]

The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS that provides filesystem-level encryption.

72 questions
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Windows 2012 Server File Encryption

I am looking for a solution to encrypt directories/files on a Windows 2012 server. Several Excel files will be stored in a share, and I am looking for a solution to encrypt them independently. From what I can tell, BitLocker is not what I am…
Acerbity
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Prompt for Certificate Password When Accessing EFS Shares

My boss wants to set up encrypted file shares using EFS on Windows Server 2012 R2 Boxes accessed by Windows 8.1 clients. I've been able to set the default DRA, issue certificates in test cases and so forth. So, EFS works. However, he also wants the…
Brian McElraft
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EFS - how to disallow encrypted files on network share?

I have two servers, both on domain, both Windows Server 2008 R2, to my eye almost identically configured. Server1 allows to copy encrypted files to his network shares, Server2 gives error when trying to copy encrypted file: "You are copying the file…
toffitomek
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Decom old CA and Basic EFS certificates

Getting very close to decommissioning our old CA. The new CA is in place and happily issuing certificates and the old CA has had all the templates removed so no certificates will be issued. My concern about the decommissiong process though is…
user35213
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Sql Server - Error attaching mdf file encrypted via Encrypted File System (EFS)

I am getting an error trying to attach a database whose files were previously encrypted via EFS. The actuall error message is Msg 5120, Level 16, State 101, Line 9 Unable to open the physical file "C:\test.mdf". Operating system error 5: "5(Access…
Julius A
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EFS Recovery Agent not working

I know EFS data recovery has been discussed so many times in the forums but I could not find anything useful in the other threads as I believe I have followed all the required steps but still cannot get EFS recovery agent to work. I have a Client1…
iSi
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Decrypt EFS files when copying to windows shared

My users have their documents redirected to a share on a file server running NTFS - very regular setup. EFS works and the users are able to encrypt a folder and files in their redirected documents. The problem which I'm trying to solve and for which…
ETL
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Current state of EFS

I need to encrypt a 3.5TB folder on 2008 R2 server. The folder is shared and both users and applications need to access the files(pdf) in it over the network. Since the server is a VM (ESXi 5) Bitlocker is not supported. EFS with AD CS managed keys…
user2828557
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Using another user's EFS Certificate

On a domain joined computer, can you encrypt a folder using EFS and then export your certificate/private key and then login as another user and import it to view the encrypted files? I have tried this and failed, but may be doing it wrong. Does it…
floyd
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EFS Remote Encryption

We have been trying to setup EFS across our domain. Unfortunately Reading/Writing file over network share does not work, we get an "Access Denied" error. Another worrying fact is that I managed to get it working for 1 machine but no other would…
Apoulet
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Replicating EFS encrypted files

Recently I attempted to configure Microsoft's DFSR on Windows 2008 R2 to replicate a folder which was encrypted with EFS. The setup gave no errors or warnings, but later I read that DFSR does not support EFS in any way. There were also event logs…
floyd
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add certificate to all files in EFS-folder with script

I try to set up collective access to EFS-folder. I want to add certificates of all users to all files in folder. Is it posible do with using powershell scripts or some another way? Thanks.
Aleksandr Makhov
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EFS over network

Two Windows 7 computers, NON-AD environment. An identical username/password exists on both machines. If I use EFS to encrypt files on computer 1, then install the EFS certificate on computer 2, computer 2 cannot access the encrypted files over the…
Jimmy D
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How to view EFS encrypted external hard driver on multiple PCs?

If I encrypt a USB drive using Windows 2008 EFS, will I be able to view the the contents of the drive on another PC (is there a way to provide credentials?)? The Windows 2008 system is using Windows account and not domain accounts.
Sajee
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Keeping a Secret

I have a .NET Windows Service that needs to store a secret on the machine and protect that secret from local system administrators. It is OK if domain admins have access. This secret is not user entered. It is generated at installation time, and the…
RMD
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