Hi, From the post http://xceed.com/CS/forums/thread/26149.aspx I have noticed that the last file (''[C:\TestFtpClient\bin\Debug\data\T20100316012230.txt], in the log'') is transfered twice.  The timeout exception comes out right after.  1) I would investigate why the file T20100316012230.txt is sent twice. 2) You should set ...