The controllers have 6.0 12.0.0.52 on them.
I have Symantec end point for my firewall and virus protection and have turn them off and this is what is returned.
It looks like FileZilla does not like the spaces or .
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 230 Logged on
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> TYPE I
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 200 Type set to I
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> PWD
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 257 "/" is current directory.
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> PASV
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 227 Entering Passive Mode (192,168,38,24,99,23)
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> STOR c:\BackUps\backup_dbsave_nc555_12.0.0.52_20141126111846.tar.tmp
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 550 Filename invalid
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> QUIT
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> 221 Goodbye
(000008)11/26/2014 10:25:04 AM - ftp (207.106.18.219)> disconnected.