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TNS-12638 / ORA-12638 When Using Password Authentication On Kerberos Setup (Doc ID 972896.1)

Last updated on OCTOBER 30, 2020

Applies to:

Advanced Networking Option - Version 10.2.0.1 and later
Information in this document applies to any platform.

Symptoms

You are unable to make a database authentication on the server where  kerberos is configured for the clients.

You have configured the sqlnet.ora to accept  kerberos along with database authentication.
SQLNET.AUTHENTICATION_SERVICES = (beq,none,kerberos5)

The client sqlnet trace will show:

Cause

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In this Document
Symptoms
Cause
Solution
References


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