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Kerberos Authentication On Fails With ORA-12638 (Doc ID 1611643.1)

Last updated on MAY 01, 2019

Applies to:

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


A kerberos connection from client to database fails with ORA-12638:

sqlplus /@<TNS alias>

This issue can be reproduced at will with the following steps:

1 Configure Kerberos with RDBMS + AD 2008
2. Configure the client -> OK
3. Configure the client -> Ora-12638


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