2003 server cannot access all files on 2012 r2

We Copied files from 2003 EE SP2 using secure copy version 7 to a 2012 R2 server.  When opening from a server 2003 computer opening files one level below the root folder it gives an error message of “make sure a disk is in the drive you specified” 

Example

L:\FTP\Tapio\dx4g220500.txt  - doesn’t work

L:\Tapio\ dx4g220500.txt - works

Making a new text file in the folder you are able to open the file and save with no issue

Trying to copy the file inside the same folder gives “cannot copy – the request is not supported."

Renaming the file works – however still can’t open the file.