Tuesday 17 January 2012

ORA-01620: no public threads are available for mounting

ORA-01620: no public threads are available for mounting

Cause: The INIT.ORA parameter thread is zero, its default value. There are no threads which have been publicly enabled, and not mounted.

Action: Shutdown the instance, change the INIT.ORA parameter to a thread which is privately enabled and not mounted. If the database is open in another instance, then a thread may be publicly enabled.

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