Server name and port no to MT 4

 
What is the server no and port no to MT 4. I need it to try MT 4 togeter with Hyperserver and Online downloader.

Regards
 
mt4 client terminal works with mt4 server only
 
Ok, thank you. I´ve also tried to DDE link data and friday everything worked well. But today MT 4 now and then shows "common error" for the connection when I DDE link data. How to solve this problem?

Regards