ORA-12631 While Connecting To The Database (Doc ID 986865.1)

Last updated on NOVEMBER 10, 2016

Applies to:

Advanced Networking Option - Version 10.2.0.4 and later
Information in this document applies to any platform.
Checked for relevance on 10-Jun-2013

Symptoms

While attempting to connect to the database the following error occurs:

sqlplus system/password@dbname
Error:
ORA-12631 "username retrieval failed"


The error occurs only when sqlnet.ora parameter:

SQLNET.AUTHENTICATION_SERVICES = (NTS)

is set.

Cause

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