My Oracle Support Banner

Listener(s) Refuse New Connections and Listener(s) Refuse to Register with Instance(s) (Doc ID 2471923.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Net Services - Version to [Release 11.2 to 18.1]
Information in this document applies to any platform.


The listener(s) are refusing client connections and the instance(s) are not registering with the listener(s).  Clients will fail with a 12514 errors.  The listener log will report TNS-01181: Internal registration connection limit reached.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.