Backup and restore long files names

I,m Running Windows 2008 R2 64 Bit Domain.

I have large file folder contain lots of folders and sub folders, this folders contain files with long names.

I have Cloud station that allow users check his folders over the web.

On weekly basis i perform copy files from DC to cloud station and during copy some of the folders with long file names can not be moved..

Any idea what will be best way to perform this task?

Best Regards

Sig