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Edited

I need to move a subfolder to another subfolder. When I use this command:

move e:\rootfolder\sourcefolder c:\rootfolder\destfolder

I get Access is denied.

Notice how the source drive is e: and the destination is c:. I believe the first answerer was right about this being the problem with the cmd.exe. I will give it some time before I mark their answer.

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When I try this on Windows 7, creating both a source and destination folder as per your command, it "just works". Have you checked ownership and permissions on the destfolder? – PJC Oct 31 '12 at 14:08
    
I can move the folder via click and drag using Explorer, so I'd have to assume that my permissions are adequate. – oscilatingcretin Oct 31 '12 at 14:11
    
You can sometimes get permission error if the source folder is in use, including if the folder is opened by a command prompt or by explorer. – sgmoore Oct 31 '12 at 14:19
    
I assume permissions based. Please note, scripts are not guaranteed to run with the same permissions as the account you're logged in on. – Dave Oct 31 '12 at 14:36
    
Dave Rook - Yes, a subfolder, in fact. I tried moving them to a subfolder of C:, but I am getting the same error. – oscilatingcretin Oct 31 '12 at 14:39
up vote 3 down vote accepted

Looks like this is the expected behavior (for some odd reason) when trying to move folders between drives.

http://technet.microsoft.com/en-us/library/hh849852.aspx

Move-Item will move files between drives that are supported by the same provider, but it will move directories only within the same drive.

I know that link says it applies to Windows Powershell, but I just tested on my XP machine here at work and see the exact same behavior, so I believe it applies to cmd.exe as well.

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It's a circuitous method to say the least, but as I encounter this frequently, I came up with a solution that accomplishes the same thing with no major speed difference. Requires that you have 7z.exe (can be downloaded here) installed, and added to your path. 7z is a fast command line archiver, thus this could also be done with tar.exe,gzip.exe, etc.

I do something like the following:

7z a x:\destinationfolder\tmp.7z c:\directoryyouwanttomove && ^
7z x x:\destinationfolder\tmp.7z

I recognize that this is way old, and I'm not specifically answering the op's question, but I had a really hard time finding this documented anywhere, and I perhaps could save someone some pain.

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