Indy: Client don't receive or Server don't send

Hello All:

    I'm just start to working with Indy and compile the example of  TCP
Client-Server (called "IdTCPDemo").

    I need to rebuild all because I have Delphi 4 and there is a "dfm"
compatibilities problem.

   When I finish I test it in a single machine... the client send a
broadcast MESSAGE the Sever receive it but the client (/clients) dont
receive nothing.

    Are there a bug in the demo?... Someone live the same situation?
    Are any tips to consider?

Thanks in advance... Cristian.