ORA-12012 And ORA-48168: ADR Sub-system Is Not Initialized
(Doc ID 1601769.1)
Last updated on AUGUST 02, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
The alert log reports errors similar to the following:
ORA-12012: error on auto execute of job "SYS"."DRA_REEVALUATE_OPEN_FAILURES"
ORA-48168: the ADR sub-system is not initialized
ORA-06512: at "SYS.DBMS_IR", line 522
The database was recently migrated from Oracle 10g to Oracle 11g
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