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Pre upgrade script fails

Subbu ADec 20 2019 — edited Dec 22 2019

Hi All

I am trying to upgrade my 11.2.0.3 standalone database 12.1.0.2.0, while running preupgrade.sql script facing below error:

Anyone faced this issue?

SQL> @/user1/oracle/app/oracle/product/12.1.0/dbhome_1/rdbms/admin/preupgrd.sql

Loading Pre-Upgrade Package...

DECLARE

*

ERROR at line 1:

ORA-00955: name is already used by an existing object

ORA-06512: at "SYS.DBMS_PREUP", line 4001

ORA-06512: at "SYS.DBMS_PREUP", line 3189

ORA-06512: at "SYS.DBMS_PREUP", line 3159

ORA-06512: at line 56

***************************************************************************

Pre-Upgrade Checks in <****> Completed.

***************************************************************************

***************************************************************************

*****************************************************
This post has been answered by Venkata Thiruveedhi-Oracle on Dec 20 2019
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Comments

Venkata Thiruveedhi-Oracle
Answer

Hi,

Check if there are any hidden parameters in pfile/spfile.

If yes, remove them, restart the database.

Then attempt the Upgrade.

Best Regards,

Venkat

Marked as Answer by Subbu A · Sep 27 2020
Subbu A

Hi Venkat

Thanks much, as per your suggestion after disabling the below parameters  i can able to run preupgrade script.

#*.nls_comp='LINGUISTIC'

#*.nls_sort='BINARY_CI'

Thanks

Subbu

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