Unable to complete operation because of unexpected error: Error 63 occurred at TCP Open Connection in NI_InternetTK_FTP_VIs.lvlib:FTP Open Session.vi->NI_InternetTK_FTP_VIs.lvlib:FTP Get Multiple Files and Buffers.vi->NI_InternetTK_FTP_VIs.lvlib:FTP Get File.vi->ConfigUtility.lvlib:OpenRemoteConfiguration.vi->ConfigUtility.lvlib:ReImageTarget.vi->ConfigUtility.lvlib:Dialog.vi Possible reason(s): LabVIEW: Serial port receive buffer overflow. ========================= LabVIEW: The network connection was refused by the server. For TCP/IP, make sure the server is running and listening on the port you are trying to use. Firewalls can also cause a server to refuse a connection. For VI Server, make sure you have enabled VI Server from Tools>>Options>>VI Server:Configuration.