Canon EOS-1D X Mark II G Instruction Manual page 94

Responding to Error Messages
41: Cannot connect to FTP server
What to check on the camera
On the camera, does the FTP server's IP address setting

match the server's actual address?
 Configure the IP address on the camera to match the actual FTP
server address (p.22).
On the camera, does the [Port number setting] for the FTP

server match the actual port number of the FTP server?
Configure the same port number (usually 21) on the camera and

FTP server. Configure the port number on the camera to match the
actual FTP server port number (p.23).
Are the camera's FTP server settings correctly entered on the

DNS server?
Make sure the FTP server's [Server name] is correctly entered on

the DNS server. Make sure the [Server name] for the FTP server
is correctly entered on the camera (p.22).
94