ORA-01033 is Thrown When Connecting to the Database Via Scan Listener (Doc ID 1446132.1)

Last updated on JANUARY 03, 2017

Applies to:

Oracle Net Services - Version 11.2.0.1 to 12.1.0.1 [Release 11.2 to 12.1]
Oracle Net Services - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.
***Checked for relevance on 21-AUG-2015***

Symptoms

Connections to the RAC database instance via listener fails with following error:

ORA-01033: ORACLE initialization or shutdown in progress
The instance is up and running.
The issue is reported only when SCAN name is used in the TNS entry in tnsnames.ora.

Cause

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