| Error | ORA-01620 |
Description | 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. |
