Re: EFS Questions

From: David Cross [MS] (dcross_at_online.microsoft.com)
Date: 08/07/03


Date: Thu, 7 Aug 2003 05:15:31 -0700


1. that would require that the remote computer be trusted for delegation
and that the DRA have a roaming user profile. EFS:
http://www.microsoft.com/WindowsXP/pro/techinfo/administration/recovery/default.asp

2. same answer as above

3. yes, you can do this. EFS:
http://www.microsoft.com/WindowsXP/pro/techinfo/administration/recovery/default.asp

4. you have would to emable file object access auditing - that is about the
only way.

-- 
David B. Cross [MS]
--
This posting is provided "AS IS" with no warranties, and confers no rights.
http://support.microsoft.com
"Howard" <Howard@audio*guy.net> wrote in message
news:pcg3jvo4e67f8o8kt9glcksoj9lalq3etp@4ax.com...
> I've been reading up on EFS, but still have many questions.  If anyone
> knows the answer, I'd appreciate their help!
>
> My set-up:  Win2K with AD environment (CA is present).  I made myself
> the file recovery agent (FRA).  The Domain Group Policy lists my
> certificate as the recovery agent and has the "no override" switch so
> local policies can't interfere with Domain policies.  My account is
> part of the Domain Administrators Group.
>
> Questions:
>
> 1.  If someone encrypts files on their local computer (in a domain
> based environment) and later needs to be decrypted by the FRA,
> Microsoft recommends backing up the encrypted file/directory, and then
> restoring it to my own computer (since my private key as the FRA is on
> my local machine).  Then I'm able to decrypt the files.  Can I just
> map a drive to the other persons computer and decrypt?  Do I have to
> backup and restore?  Why not just copy or move - or better still, map
> a drive and decrypt remotely?
>
> 2.  EFS on a file server:  Let's say someone encrypts their shared
> drive on a file server.  Can I decrypt it if I map a drive?
>
> 3.  Can my recovery agent certificate be copied and installed to
> multiple computers?  (ya, I know the security risks)  For example, I
> use two computers right next to each other.  I'd like to be able to
> decrypt from either PC.  Can I export (without deleting keys) and then
> import to another computer?
>
> 4.  The FRA can view and decrypt other people's encrypted files.  If
> they just view it, will the user know?  In our company, the HR Dept.
> and Execes don't even want the administrators to have access to their
> files.  Will EFS give them a piece of mind knowing that if the FRA
> decrypts or views their files, they will know about it.  After all,
> pretty much any domain admin can add themselves as the File Recovery
> Agents.
>
> Thanks,
>
> Howard
>
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