EFS on Windows 2003 domain with a 2008 File Server

I would like to know if it is possible to set up EFS on several shares for a Windows 2008 server, while the domain level is on Windows 2003 Server. I have tried to set it up unsuccessfully for the past couple of days, nut I have not been able to find any supporting info regarding the different versions and implementing EFS. We have several Workstations on Windows 7 and XP.

Regards,
SynetekAsked:
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btanExec ConsultantCommented:
It should be possible.

 You can use EFS to encrypt and decrypt files and folders that are located on NTFS volumes on a remote server if the server is trusted for delegation in Active Directory. To remotely encrypt and decrypt files and folders, your certificate and private key must be stored on the server. The server uses Kerberos delegation to access this information.

E.g.  When files are stored on file shares, all EFS operations occur on the computer on which the files are stored. For example, if a user connects to a network file share and chooses to open a file that he or she previously encrypted, the file is decrypted on the computer on which the file is stored and then transmitted in plaintext over the network to the user’s computer.

Note the "plaintext" over the network. Hence not end to end for remote shares

I am suggesting below to see if helpful on the criteria for Remote EFS file share :
http://technet.microsoft.com/library/bb457116.aspx#EHAA

this is an lengthy forum which seems to be likely what commonly faced in remote shares
http://social.technet.microsoft.com/Forums/en-US/w7itprosecurity/thread/ab0a7538-cede-477f-9b9b-bfccf2ee27fb


Likewise there is EFS troubleshooting (on error msg) if necessary
http://technet.microsoft.com/en-us/library/bb457116.aspx#EBAA
http://technet.microsoft.com/en-us/library/cc700811.aspx#XSLTsection132121120120
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