ORA-12561 with SSL connectivity attempt from AWS client

(Doc ID 2383086.1)

Last updated on APRIL 05, 2018

Applies to:

Advanced Networking Option - Version and later
Information in this document applies to any platform.


When attempting to connect from a remote (AWS) Client to an Oracle Database using SSL / TLS the connection fails:
[errType=ERROR_RESPONSE, status=1022307, errMessage=ORA-12561: TNS:unknown error OCI error., errDetails=]

Local connections to the same Database using the same SSL configuration works.


 Attempts to configure AWS using:


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