My Oracle Support Banner

Client Connections Fail With TNS-12154 / ORA-12154 (Doc ID 1150680.1)

Last updated on JANUARY 23, 2020

Applies to:

Oracle Net Services - Version 10.2.0.1 to 10.2.0.5 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 15-Jan-2012***


Symptoms

Connection to the database, error with ORA-12154: TNS:could not resolve the connect identifier specified.

Cause

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
Symptoms
Cause
Solution


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