Search Order for TNS files - listener.ora, sqlnet.ora, tnsnames.ora ..etc.
(Doc ID 464410.1)
Last updated on JUNE 16, 2022
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
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In this Document
| Goal |
| Solution |
Search order for the sqlnet.ora |
| Search order for the cman.ora, listener.ora, and tnsnames.ora |
Search order for ldap.ora |
| References |