Problem with The Administration Server

Question

Hi, I have the following problem....
sorry for my bad english....
on the server sun is installed "iplanet slapd-server" and all the users they are autenticatede whit it....
now i want to install SJES and i want to use this "iplanet slapd-server"....
when i run /usr/sbin/mpsadmserver configure:
oot@server:/shared/java_ent_sys_2005Q4/Solaris_sparc> /usr/sbin/mpsadmserver configure
Enter the fully qualified name of the computer
Fully Qualified Computer Name [server.dominio.com] {"<" goes back, "!"
exits}:
Server Root Information
Server Root: : /var/mps/serverroot
Choose the type of installation you prefer from the following choices:
Express - Installation option choices are made automatically. The easiest
installation and recommended for evaluating the product.
Typical - Software will be installed with the most common options. Recommended
for most deployments.
1. Express
2. Typical
What would you like to do [2] {"<" goes back, "!" exits}? 2
Choose the system user and group names under whose identity
the Sun Java(TM) System Server will run.
System User [root] {"<" goes back, "!" exits}:
System Group [other] {"<" goes back, "!" exits}:
Configuration Directory Server
Host [] {"<" goes back, "!" exits}: server
Port [] {"<" goes back, "!" exits}: 389
Configuration Directory Server Administrator
Administrator ID [admin] {"<" goes back, "!" exits}: cn=directory manager
Password:*******
Administration Domain
Administration Domain [dominio.com] {"<" goes back, "!" exits}:
The Administration Server runs on a different network port from other servers.
Specify the number of the port.
Administration Port [390] {"<" goes back, "!" exits}:
Installing Administration Server
|-1%--------------25%-----------------50%-----------------75%--------------100%|
Checking connection to the Configuration Directory Server... failed.
The Admininistration Server cannot be configured.
:(.... where the error?
thanks....

Answer 1

This is a typical error when the fully qualified hostname of the machine cannot be properly resolved.
Said differently, can a client on the network connect to the machine server.dominio.com ? Is this machine known in DNS ?
Regards,
Ludovic.