Last updated on SEPTEMBER 06, 2017
Applies to:Oracle Net Services - Version 10.2.0.1 to 184.108.40.206 [Release 10.2 to 12.1]
Information in this document applies to any platform.
This problem can occur on any platform.
Remote clients attempting to connect to a database via a listener started up on localhost.
Beginning with listener version 220.127.116.11.0, remote clients attempting to connect to a database via a listener started up on localhost will encounter the error ORA-12541 - no listener. Tnsping also fails with the same error.
If a 18.104.22.168.0 or older version of listener is used, and started up on localhost, remote users are able to connect via that listener as well as tnsping
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms