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ORA-1092 During Startup Using AUM (Automatic Undo Management) (Doc ID 153042.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


 You start up the database and receive the following error message:

    SQL> startup
    ORACLE instance started.

    Total System Global Area  252478536 bytes
    Fixed Size                   279624 bytes
    Variable Size             167772160 bytes
    Database Buffers           83886080 bytes
    Redo Buffers                 540672 bytes
    Database mounted.

    ORA-01092: ORACLE instance terminated. Disconnection forced

No background processes are started.

ORA-01092: Oracle instance terminated.  Disconnection forced
    Cause: The instance connected to was terminated abnormally, probably due to a SHUTDOWN ABORT.  The current process was forced to disconnect from the instance.
   Action: Contact the database administrator to determine when the instance is restarted.  Attempt to reconnect after the instance is running again.




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