ORA-12547: TNS:lost contact error while starting ASM after upgrade from 11.2.0.4 to 12.1.0.2 in a standalone environment (Doc ID 2267272.1)

Last updated on JULY 07, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

On Standalone setup, after upgrading from 11.2.0.4 to 12.1.0.2, ASM is not able to start, and hitting the following error:

SQL> sqlplus

SQL*Plus: Release 12.1.0.2.0 Production on Thu May 11 23:53:13 2017

Copyright (c) 1982, 2014, Oracle. All rights reserved.

Enter user-name: / as sysdba
ERROR:
ORA-12547: TNS:lost contact

Enter user-name:

 

Changes

 Upgrade from 11.2.0.4 to 12.1.0.2

Cause

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