Last updated on JUNE 15, 2017
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
***Checked for relevance on 11-Jan-2016***
As root user id when trying to connect to a database using bequeath protocol, get TNS-12560 protocol adapter error. This error is received even though connecting as a regular user and not as sysdba. Other users are not experiencing the error.
ORACLE_SID, ORACLE_HOME are all set properly
Cannot connect locally
ORA-12560: TNS:proto adapter error
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms