After installation, when I try to login, I get the message "No such domain" error. Help?

OS : solaris 2.7 with kernel patch 106541-17

Iplanet portal server Version 3

All the recommended patches are installed and the iplanet portal server installation was successful and when I try to go into the login console through the port 8080/login/wtadmin , after giving the user name (root) and password , I end up getting the error message "no such domain" message.

[395 byte] By [708962] at [2007-11-25 4:38:42]
# 1
What is the hostname, domain name and sub domain name you gave during the install ? second how are you trying to reach the portal, try to reach it using fqdn instead of just the hostname ..
Karthik_Krishnamoorthy at 2007-6-29 3:11:14 > top of Java-index,Web & Directory Servers,Portal Servers...