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EM13c : Rac Database Instance Home page Shows Listener refused the connection with the following error: ORA-12514 (Doc ID 3039694.1)

Last updated on AUGUST 06, 2024

Applies to:

Enterprise Manager for Oracle Database - Version 13.1.0.0.0 and later
Information in this document applies to any platform.

Symptoms

One of the Rac Instance shows this message on the Home Page:

Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor The Connect Descriptor was (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = mydomain.com )(PORT = 1800))(CONNECT_DATA = (SERVICE_NAME = MYDB.com)(SERVER = DEDICATED)))

 

Where the actual SERVICE_NAME is MYDB.abc.com.

 

All other pages of Instance shows same error message.

Cause

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In this Document
Symptoms
Cause
Solution


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