Fix: RoboCopy ERROR: RETRY LIMIT EXCEEDED.
Using RoboCopy, if you encounter ERROR: RETRY LIMIT EXCEEDED the error may be related to permissions on files and folders you are copying from network paths. Permissions might have gotten screwed up if you used Windows File copy to move a portion of folder/files and then try to Robo Copy them.
The solution is to grant SYSTEM full control on the files or folders to transfer on the host machine. Right click the folder or files -> Security Tab -> SYSTEM -> Full Control Read Write.
In the Robo Copy log file (if you are outputting one) you might see it backfilling with errors related to below but they copy should push through now.
ERROR 1314 0x00000522 Copying NTFS Security to Destination File
A required privilege is not held by the client.