Robocopy Reviews

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How to fix “Cannot copy file. The Parameter Is Incorrect” error

Had a head-scratcher today whilst migrating some data from a 500GB External USB HDD to a new 1TB External USB HDD, both attached to a client server.
Some of the data refused to copy across, throwing up a “Cannot copy file. The Parameter Is Incorrect Error” each time. Same error when the copy was attempted in DOS, RoboCopy or XCOPY.
Upon investigation, each of the problematic files were 10GB+ in size – and suddenly the realization dawned – that the new external HDD was formatted as FAT32 and not NTFS, and thus suffered from FAT32’s 4GB file limit.
A quick format to NTFS on the drive, and I was able to copy those large files across without issue.
Obviously, I have become so used to working with large files nowadays that sometimes I forget things weren’t always this way!

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We were using Robocopy for quite sometime. But it has many bugs such as it doesn't copy open/locked files. So we started using GS Rich Copy and have been quite happy so far