Shared Server: "ORA-12523: TNS:listener could not find instance appropriate for the client" (Doc ID 1364318.1)

Last updated on OCTOBER 31, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.1 and later   [Release: 10.2 and later ]
Information in this document applies to any platform.

Symptoms

When trying to connect the Oracle RDBMS Instance using Shared Server, the following error message may occur:

ERROR:
ORA-12523: TNS:listener could not find instance appropriate for the client connection

 

Changes

Setting up Shared Server

Cause

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