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ORA-27101 & ORA-01034 Error Attempting to Connect to the Database Via the Listener (Doc ID 256263.1)

Last updated on FEBRUARY 21, 2023

Applies to:

Oracle Net Services - Version 9.2.0.8 and later
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 to 19.3.0.0.0 [Release 19]
Information in this document applies to any platform.

Symptoms

The following errors are being returned to clients when they attempt a remote connection to the database.  The database is running and local  connections are successful.

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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