Error message from the Domino configuration directory server

HelloSomone can tell me what I have to do to solve that message that I received from my domino configuration directory server?

Tanks

WARNING: Domain CCCCCC is your remote primary domain,and no replicate are avalaible. Your server can not process user and group. Please contact your system administrator

Subject: error message from the Domino configuration directory server

My problem came from the connection document. I selected the port TCP/IP but I had to select the port LAN4 as well. It works well now