Try it with the /FFT switch. It allows for a 2 seconds granularity in the timestamps which fixes a LOT of synch issues, even if your files never touched a FAT filesystem. /A :: copy only files with ...
Title says it all. I'm regularly copying about 500GB of tiny files in lots of nested sub-folders from a server in one site to another. Robocopy gets the job done, but even after tweaking the flags, it ...