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18c Active Directory Password Authentication Fails With ORA-28276 for Client Connections Below 12c (Doc ID 2472256.1)

Last updated on MARCH 27, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
JDBC - Version to [Release 11.1 to 12.1]
Information in this document applies to any platform.


Version 18c of the database introduces the ability to authenticate incoming connections using Active Directory without EUS (Enterprise User Security) or some other intermediate directory service, as discussed here in the following documentation:

Release 18 Security Guide
Chapter 5: Configuring Centrally Managed Users with Microsoft Active Directory
Section:  About Configuring Password Authentication for Centrally Managed Users


 There are 3 authentication methods that can be configured:  Password authentication; Kerberos authentication; or SSL authentication.

When using password authentication, client connections, such as the JDBC driver, is able to connect to the 18.x database.
However, when connecting using an older client connection, such as, the connection fails with the following error:

ORA-28276: Invalid ORACLE password attribute




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