Instance Startup Fails With ORA-01012: Not Logged On
(Doc ID 1365419.1)
Last updated on DECEMBER 25, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 10.2.0.4 [Release 10.2]Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.
**Checked for relevance 03-Feb-2016**
Symptoms
You can successfully connect as sysdba but a subsequent startup of the database fails with an ORA-1012:
Environment parameters like NLS_LANG , ORA_NLS33 or ORA_NLS10 have been verified and are set correctly.
Changes
Oracle has been forcefully shutdown at OS level or crashed.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |