Robocopy Error 31 A device attached to the system is not functioning

I was migrating Windows file shares to NetApp CIFS shares using Robocopy. I was unable to copy owner information or NTFS Security (/COPY:DATSOU) without getting this Error:

ERROR 31 (0x0000001F) Copying NTFS Security to Destination Directory F:\PATH
A device attached to the system is not functioning.

I thought it may be the zone information on may of these files. I used the Sysintenals Streams utility to remove that information. It did not help.

In the end, I was forced to copy without NTFS information (/COPY:DATU)

When I viewed the properties of any share, folder, or file, the length of time to enumerate and display the permissions was exceedingly slow. I tried disabling anti-virus, etc. In the end, I had to manually re-create the permissions after the initial data copy. File ownership information was lost.

UPDATE: I ran a CHKDSK /F and following a reboot this robocopy functioned fine.


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