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ORA-01034 and ORA-27101 errors while connecting to database as SYS user (Doc ID 756468.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 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 Cloud Exadata Service - Version N/A and later
Microsoft Windows x64 (64-bit)
Generic Windows
Microsoft Windows (32-bit)
Microsoft Windows Itanium (64-bit)



Symptoms

ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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