12c Upgrade : DBUA fails with Error ORA-27125: unable to create shared memory segment

(Doc ID 2106336.1)

Last updated on SEPTEMBER 01, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Oracle Solaris on SPARC (64-bit)

Symptoms

 While upgrading from 11gr2 to 12c(12.1.0.2),DBUA fails with below error –

The environment is a Solaris Super Cluster where AMM(Automatic Memory Management) & hence effectively,OSM(Optimized Shared Memory segment) is being used.

Cause

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