Edit computer name and host file
Before setting up the Domino server it is better to first set the right Full computer name and edit the hosts file.
a. Edit computer name
Open the computer properties page and select the the Computer Name tab. Click on Change.
Enter your Computer name and click More.
Enter your domain name, e.g. xpages.com. Make a note of the Full computer name(e.g. server-rbo.xpages.com) and close all dialog boxes and restart the computer.
b. Edit Host file
Edit the hosts file (c:\Windows\system32\driver\etc\hosts by entering the next line
<ip address of the machine> <Fullcomputer name>