ORA-12658: ANO service required but TNS version is incompatible

Cause : A client process that is running an earlier version of TNS attempted to connect but the connection failed because the server process required that an ANO service (authentication, encryption, etc.) be used.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Relink the calling executable and retry the connection or eliminate the requirement that the service be used on the server side.

update : 28-05-2017

ORA-12658 - ANO service required but TNS version is incompatible
ORA-12658 - ANO service required but TNS version is incompatible

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