An established connection was aborted by the software in you

I have two servers which I access using Smart FTP. One allows me to access without any problems. THe other one now gives me and error stating that an "established connection was aborted by the software in your host machine. Connection closed". I am using the same computer and the same SmartFTP for both servers so I don't understand why one works and the other doesn't. I need help and am open to any suggestions. Thanks.

Here is the error/login message I get:

SmartFTP v1.0.982.36

220 Microsoft FTP Service
USER
331 Password required for .
PASS (hidden)
230 User logged in.
SYST
215 Windows_NT
FEAT
211-FEAT
An established connection was aborted by the software in your host machine.
Connection closed.

It seems the FEAT command SmartFTP is sending to learn about the features the server supports causes the trouble. Try disabling sending it within SmartFTP, see Tools -> Settings -> Connection -> Send FEAT command.

I disabled the feat feature but i am still getting the error "an established connection was aborted by the software in your host machine. connection closed." Before it wouldn't show anything that was on the FTP, now once and a while it shows what's on the FTP but I am still getting the above message. Again, it works for my other server.