My Oracle Support Banner

Search Order for TNS files - listener.ora, sqlnet.ora, tnsnames.ora ..etc. (Doc ID 464410.1)

Last updated on MAY 07, 2018

Applies to:

Oracle Net Services - Version 9.2.0.2 to 12.2.0.1 [Release 9.2 to 12.2]
Generic UNIX
Note that this does not apply to Enterprise Manager which searches ORACLE_HOME/network/admin unless TNS_ADMIN is set.

Goal

The goal of this document is to explain how Oracle Net searches for the configuration files listener.ora, sqlnet.ora, tnsnames.ora and cman.ora.

Solution

To view full details, 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 a vibrant support community of peers and Oracle experts.