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OCILogon Using OS Authentication Fails With ORA-01017 (Doc ID 99550.1)

Last updated on MARCH 22, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.5.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

With early Oracle versions  (8.0 or earlier)  it was possible to make an OS Authenticated Logon (commonly known as an OPS$ logon) using the OCILogon function in the following way:

OCILogon(envhp, errhp, &svchp, (text *)"/", strlen("/"),(text *)"/", strlen("/"), (text *)dbname, strlen(dbname));

In Oracle versions 8.1 or later including the latest releases, this code does not work, failing with ORA-1017: Invalid Username and Password.

Cause

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