Database Startup Fails With Ora-439: feature not enabled: Real Application Clusters
Last updated on JULY 01, 2016
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Information in this document applies to any platform.
***Checked for relevance on 01-Jul-2016***
Database startup fails with an ORA-439 error.
SQL> Connected to an idle instance.
SQL> ORA-00439: feature not enabled: Real Application Clusters
After applying a CPU patch, mistakenly ran the following command.
alter system set cluster_database=TRUE scope=spfile;
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