Connections Fail with an ORA-12638 if the OS client User in Not in the Same Domain as the Database Server
(Doc ID 308929.1)
Last updated on MAY 19, 2017
Applies to:Oracle Net Services - Version 18.104.22.168 and later
z*OBSOLETE: Microsoft Windows
Both external and database authenticated user connections fail with an ORA-12638 when the client OS user is not in the same domain as the database server.
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