550 file unavailable error with FtpWebRequest class file upload. Works fine in FileZilla

Question

I\'m searched and found other questions on this but none have solved my issues. I\'m trying to upload a file via FTP using sample MSDN code. I get the The remote server retu

Answer 1

This did the trick. apparently the CWD command behavior changed in the move from .NET 3.5 to 4.0.

You have to first call the method in this link.

http://support.microsoft.com/kb/2134299