Setting Up ORACLE Server on Windows

Relevant Links
http://download-uk.oracle.com/docs/cd/B12037_01/server.101/b10742/em_manage.htm#BABBAIHD
http://download.oracle.com/docs/cd/B10501_01/network.920/a96581/lsnrctl.htm
http://www.dbforums.com/oracle/1094170-ora-12500-tns-listener-failed-start-dedicated-server-process.html
http://forums.oracle.com/forums/thread.jspa?threadID=252750&tstart=105
http://www.dbasupport.com/forums/showthread.php?t=4714
http://forums.oracle.com/forums/thread.jspa?messageID=2641153


ORACLE ADMINISTRATION HELP
Select PROGRAMS>ORACLE_HOME>DATABASE_CONFIGURATION_ASSISTANT
Wizard shows up click on custom setup and proceeds with the wizard.

Once done created database say g2lx & sid g2lx password abcd , SYS password abcdje
Open cmd prompt and sqlplus
Username:system
Password:abcd

See SQL Prompt

http://hostname:port/em/
shows OEM console.
and the following:-
DB Instance
TNS Listener
ORA Agent

Above three listeners are down

Add the following in tnsnames.ora
g2lx =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = hostname)(PORT = 1521))
)
(CONNECT_DATA =
(SID = g2lx)
)
)

Add it to LISTENER.ora

DIRECT_HANDOFF_TTC_LISTENER=OFF

LISTENER =
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=tcp)(HOST=hostname)(PORT=1521))
(ADDRESS=(PROTOCOL=ipc)(KEY=PNPKEY)))


SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=

(GLOBAL_DBNAME=g2lx)
(SID_NAME=g2lx)
(ORACLE_HOME=E:/oracle/product/10.2.0/db_1/)

(PRESPAWN_MAX=20)
(PRESPAWN_LIST=
(PRESPAWN_DESC=(PROTOCOL=tcp)(POOL_SIZE=2)(TIMEOUT=1))
)
)
)

Now goto administrative tools> services make oracleServiceG2LX to manual mode by double clicking on it.

Goto cmd prompt and type lsnrctl
LSNRCTL> Prompt appears
SERVICE Listener
Shows active listener
START LISTENER starts the TNS LISTENER in OEM

Refresh OEM TNS LISTENER will start.
Try to click on ORA AGENT type in username :SYSTEM/SYS
Password:abcd/abcdje

If error occurs client hand off add the line in listener.ora
DIRECT_HANDOFF_TTC_LISTENER=OFF
And Restart listener

Once this is done ORA Agent starts after this step you will be able to connect to local db from TOAD using
Host:hostname
Port:1521
SID:g2lx

After this click on DB Instance in OEM Host Credentials Vanishes and Db Credentials Give Username:SYS
Password:abcdje
This will login to OEM
Enjoy!