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DBCA fails with [DBT-05509] and sqlplus failed with ORA-12547 (Doc ID 3011750.1)

Last updated on JULY 20, 2024

Applies to:

Oracle Database Configuration Assistant - Version 19.3.0.0.0 and later
Information in this document applies to any platform.

Symptoms

User is having following error when trying to create a database using DBCA (GUI and silent mode):

[DBT-05509] Failed to connect to the specified database (orcl).
Cause - OS Authentication might be disabled for this database (orcl).
Action - Specify a valid sysdba user name and password to connect to the database.

sqlplus showed following error:

sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Wed Mar 13 10:49:50 2024
Version 19.22.0.0.0

Copyright (c) 1982, 2023, Oracle. All rights reserved.

ERROR:
ORA-12547: TNS:lost contact

 

Changes

New fresh installation.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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