Windows upgrade from Xp to Windows 7 error in FTP transfers

[tsb]

I get the following error from a program that has worked for several years after an upgrade from XP to Win 7 with labview 2009 sp1

Error 66 occured at TCP Read in NI_InternetTK_Common_Vis.lvlib:TCP Read xTP Reply.vi:15->NI_InternetTK_FTP_Vis.lvlib:FTP Get Command Reply.vi:14->NI_InternetTK_FTP_Vis.lvlib:FTP cOMMAND.VI:11->NI_InternetTK_FTP_Vis.lvlib:ftp [TYPE].vi->NI_InternetTK_FTP_Vis.lvlib:FTP Open Data Connection.vi->NI_InternetTK_FTP_Vis.lvlib:FTP Data Receive.vi->NI_InternetTK_FTP_Vis.lvlib:FTP [RETR].vi->FTPClient.vi

[tyk007]

Firewall Settings? Network Configuration Change (eg. groups, new to Windows 7)?

[tsb]

The FTP server is Running in Labview Real time and I use anonymous FTP

I can Manually from the dos prompt do a ftp get of the file successfully.

[the_mitten]

Yeah, I would also suspect changes in firewalls/groups as tyk007 mentioned. Additionally, there are a variety of changes in Windows 7 regarding security settings for applications. It may be that Windows 7 is blocking firewall access to some LabVIEW component, whether it is the application instance or a background service.

I'd suggest disabling the firewall and checking the security/permission settings for LabVIEW. 

Regards,

[tsb]

The Firewall is disabled.

How do I confirm the security settings for Labview.

My FTP communications are all on a private network.

[the_mitten]

Hi tsb,

Can you try switching the FTP calls to passive instead of active? This can reduce firewall related issues. Additionally, based on a some research I've done internally, this can specifically help FTP related transfer when uploading to an RT system.

Regards,

[tsb]

The firewall is disabled and I set to connection to passive immediately after the anonymous FTP logon.

[the_mitten]

Do you have any other computers that you can try this from? Do you have any other versions of LabVIEW that you can try?