having issues backing it up before I upgrade. getting an error the specified  path, file name, or both are too long. don't understand both are under 240 characters as specified any ideas? using windows 2012 r2 upgraded to 13.1 with patch 5

Timberline Office File Tools - Move Operation Journal - Friday, December 27, 2013 7:36 PM

Validating input.    Scanning file system.    File system scan did not complete.

Validation did not complete. The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.