ORA-12541 TNS:No Listener with remote / external clients after new install. Listener up and local connections work.
(Doc ID 1497530.1)
Last updated on JANUARY 08, 2020
Applies to:Oracle Net Services - Version 188.8.131.52.0 to 184.108.40.206.0 [Release 9.2 to 12.2]
Information in this document applies to any platform.
A new installation of Oracle Server fails with ORA-12541 when making a REMOTE connection.
LOCAL connections (even through the Listener) succeed.
However, "Lsnrctl status" shows the Listener is running.
New installation but possibly installed while the Server was OFF the network or the NIC was disabled.
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