installation help

From: Louis Mallette <mallettelouis_at_sympatico.ca>
Date: Tue, 28 Aug 2001 12:00:41 -0700
Message-ID: <ddPi7.26005$zP.1956647@news20.bellglobal.com>

First I have install windows 2000 server on my penthium 2 (400 meg ram)

2- I have install Oracle 8i Entreprise Edition (server)

3- I name my database : home

4- When I go to Srvmgr:

        I wrote CONNECT INTERNAL/ORACLE and i have the Error ORA-12560 TNS: protocole Error

5- When I go to the Oracle SQLPlus app. and i try to connect like that

id: system
pass: manager
Host string: home.world

This Error append: ORA-12154 TNS:counld not resolve service name

there are my Listener code

LISTENER =
   (DESCRIPTION =
     (ADDRESS = (PROTOCOL = TCP)(HOST = main)(PORT = 1521))    )

SID_LIST_LISTENER =
   (SID_LIST =

     (SID_DESC =


       (GLOBAL_DBNAME = home.world)

       (ORACLE_HOME = d:\oracle\ora81)

       (SID_NAME = home)

     )

   )

there are my tnsnames code

home =

   (DESCRIPTION =

     (ADDRESS_LIST =


       (ADDRESS = (PROTOCOL = TCP)(HOST = main)(PORT = 1521))

     )
     (CONNECT_DATA =


       (SERVICE_NAME = home.world)

     )

   )

How i can verifie that my host and my port number is the good one. Where I can found that in windows 2000 Received on Tue Aug 28 2001 - 14:00:41 CDT