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Get ORA-12638 Error when Connecting via SQL*Plus Using NTS authentication (Doc ID 273665.1)

Last updated on MARCH 03, 2024

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


ORA-12638 when connecting via SQL*PLUS using TNSNAMES resolution with SQLNET.AUTHENTICATION_SERVICES=(NTS) set in the SQLNET.ORA file.


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