Database Link Access between Autonomous Database (Shared) and EBS Database failed with ORA-28040
(Doc ID 2950235.1)
Last updated on DECEMBER 14, 2023
Applies to:Autonomous Database Serverless - Version N/A to N/A
Information in this document applies to any platform.
The database link access between Autonomous Database (Shared) and EBS Database failed with ORA-28040: No matching authentication protocol.
Autonomous Database sets the SEC_CASE_SENSITIVE_LOGON parameter to true and this value cannot be changed. If your target database is not an Autonomous Database, then you must set the SEC_CASE_SENSITIVE_LOGON parameter to true on the target database.
select * from dual@EBSDB
ERROR at line 1:
ORA-28040: No matching authentication protocol
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