ORA-00265 Instance recovery required, cannot set ARCHIVELOG mode

Error Code
ORA-00265

Description
Instance recovery required, cannot set ARCHIVELOG mode.

Cause
Possible cause of this error is, the database either crashed or was shutdown with the ABORT option. Media recovery cannot be enabled because the online logs may not be sufficient to recover the current datafiles.

Action
To fix this issue, open the database and then enter the SHUTDOWN command with the NORMAL or IMMEDIATE option.

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See Also