RedirectStandardOutput fails on W2k Server application, works on XP professional

[R Fischer]

I am trying to redirect output from an FTP conversation using
System.Diagnostics.Process.

When I running the following code on XP Professional, I get the
redirected output from my applications post to the FTP server and the
FTP server's responses.

When I migrate the application to Windows 2000 server the application
works, but I only see my posted conversation, I don't get any of the
redirected responses from the FTP server.

Why the difference? Can it be fixed.

Example of code used below:

System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.EnableRaisingEvents=false;
proc.StartInfo.WorkingDirectory = WorkDir;
proc.StartInfo.UseShellExecute=true;
proc.StartInfo.FileName="ftp";

proc.StartInfo.RedirectStandardOutput = true;

proc.StartInfo.Arguments = cmdline;
proc.Start();

String output = String.Format("\n{0}",
proc.StandardOutput.ReadToEnd());