Try the following steps:
a.. Shutdown and drop the database using SQL * plus
$sqlplus /nolog
SQL>connect / as sysdba
SQL>shutdown immediate
SQL>exit
a.. remove following directories/files:
app/oracle_admin/$ORACLE_SID
oradata/$ORACLE_SID
$ORACLE_HOME/dbs/init$ORACLE_SID.ora
$ORACLE_HOME/dbs/lk$ORACLE_SID
$ORACLE_HOME/dbs/orapw$ORACLE_SIDGood Luck!Jim Cheng
"Christoph Kukulies" <kuku_at_accms33.physik.rwth-aachen.de> wrote in message
news:30hio9F2vr56aU1_at_uni-berlin.de...
>I had a 9.0.1 on a win2003 server recently and today I tried to install
> 10.1.0 on that machine.
>
> Somehow deinstallation of 9.0.1 which was oin that machine before
> did not work smoothly. I tried to remove registry entries but
> could not remove all for some reason.
>
> During installation of 10g I was told that an instance (ORCL) was already
> there and I should use another name. Anyway, to make it short, the 10g
> installation failed. I have an empty pfile directory in admin\orcl\pfile
> and would like to start over the 10g installation without
> having to reinstall the whole OS.
>
> Any clues how to totally get rid of any traces of Orcale and get a clean
> environment to start a fresh installation?
>
>
> --
> Chris Christoph P. U. Kukulies kukulies (at) rwth-aachen.de
Received on Tue Nov 23 2004 - 18:50:36 CST
