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Bequeath Connection Generates ORA-12560: TNS: Protocol Adapter Error (Doc ID 831007.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 and later
Microsoft Windows (32-bit)
***Checked for relevance on 07-Aug-2017***

Symptoms

The local connection is failing when making a bequeath connection:

Enter user-name: sys as sysdba
Enter password:
ERROR:
ORA-12560: TNS:protocol adapter error

Changes

This is a newly duplicated database.

Cause

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