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I'm using robocopy on a Windows Server 2008 R2 SP2 machine with the following options:

robocopy W:\ E:\old_files\daten1\ /R:1 /W:1 /MIR /COPYALL /ZB /DCOPY:T /MT 50 /LOG:E:\old_files\copy_w.txt

robocopy copies all of the folders, but at the destination they appear empty without the files. I cannot find any errors in the log file. Security permissions are OK.

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Suggest trying repeatedly dropping one option at a time until you get the files copied. This will give you the option that is causing the problem, then build back up. – Richard Sep 5 '12 at 8:34
up vote 4 down vote accepted

If that is the command line you're using then your problem is most likely the /MT 50. I suspect you meant /MT:50 to have 50 threads rather than files called 50.

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missing : was the problem – joe Sep 5 '12 at 11:49

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