Copying EFS encrypted files over network does not work
Copying EFS encrypted files over the network ceased working between my Win7 machines. This is a known limitation until Vista. It worked fine between my Win7 machines for a while, but now I do get the error "... you need permission..." like with Vista. I takes a very long time with Win7 showing the Calculating dialog until the errror displays. Same EFS certificate installed on both machines. Sharing encrypted file via an external hard disk works fine. Because I thought the problem resulted from switching from "Allow HomeGroup to manage homegroup connections" to "Use user accounts and passwords to connect to other computers" I switched back to HomeGroup managed - but this did not help. Copying EFS encrypted files unencrypted is extremely slow Because copying encrypted files over LAN does not work I clicked yes when asked to copy them unencrypted (planning to reencrypt them on the destination machine). The following copy operation was extremely slow, so I had to cancel it. At least cancelling worked without hanging Explorer :-) [Apr 4, 2009] I observed that Explorer first tries to copy all selected files and then deletes them again before the "copy unencryped" dialog shows (on can see the file names being created and deleted on the destination machine). So I had to resort to using an external disk to move encrypted files from one machine to another. This problem is severely crippeling the usability of EFS.
March 22nd, 2009 7:46pm

pmeinl,What is your question?
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April 2nd, 2009 2:20pm

My question is how to get copying EFS encrypted files via LAN working.
April 3rd, 2009 5:01pm

WithWin7 RTM copying EFS encrypted filesfroma networked PC (pulling)works.Copying to a networked PC (pushing) still doesnot work.Copying to unencrypted still is extremely slow. Cancelling out is extremely slow.
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August 8th, 2009 2:58pm

Is there a solution to copying EFS files in Windows 7? Robocopy /EFSRAW gives an error for every encrypted file: The specified file could not be encrypted. when trying to copy from C: drive to a mapped network drive.
November 19th, 2010 2:44am

Whlould be interested as well. My Robocopy script has worked fine until I actifated EFS file encryption. The robocopy Flag /EFSRAW seams not to work. Are there any solutions how to use robocopy + EFS file encryption? Thanks
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November 11th, 2011 12:47pm

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