martin wrote:

amweiss wrote:

However why not automatically switch to active mode? Same as FileZilla. or at-least clarify the error message.

Sure, this can be improved. However this happens so rarely, that active mode works, and passive does not, that it's hardly worth the effort.

It seems like a reasonable request and would provide a "least surprise" exception handling for the user. "Do the right thing" in the face of exceptions is always appreciated!

amweiss wrote:

However why not automatically switch to active mode? Same as FileZilla. or at-least clarify the error message.

Sure, this can be improved. However this happens so rarely, that active mode works, and passive does not, that it's hardly worth the effort.

Thanks for your response.
You are right, this was the issue.
However why not automatically switch to active mode? Same as FileZilla. or at-least clarify the error message.

Thanks again.

Your FTP servers seems not to support the passive mode:

Try turning it off:
https://winscp.net/eng/docs/ui_login_connection

Hi

I was unable to list directory from one FTP site using WinSCP scripting, and I also get same error on the WinSCP UI.
See attached session log file.

I also tested using windows command prompt, which worked correctly.