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 OCTOBER 21, 2015

Applies to:

Oracle Net Services - Version 9.2.0.8.0 to 12cBETA2 [Release 9.2 to 12.1]
Information in this document applies to any platform.

Symptoms

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.

Changes

 New installation but possibly installed while the Server was OFF the network or the NIC was disabled.

Cause

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