Restarting dead background process QMNC recorded in the alert.log file

Repeated : Restarting dead background process QMNC recorded in the alert.log file (Doc ID 395137.1)

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In this Document Symptoms Changes Cause Solution APPLIES TO: Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.2 [Release 10.1 to 11.2] Information in this document applies to any platform. SYMPTOMS The following messages are recorded in the alert log every 5 minutes Restarting dead background process QMNC CHANGES CAUSE 1. database startup : The database has not opened for an undetermined reason, i.e there is no statement: Completed: ALTER DATABASE OPEN recorded in the alert.log file. 2. database shutdown : A process may be preventing the database from shutting down cleanly. As a consequence, this may be causing the qmnc process problems. SOLUTION This is expected behaviour. The reason why the database has not opened or shutdown should be investigated. These messages are a symptom of the problem and not the underlying cause.