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OracleForm Oracle Client connect to Oracle DB 19c

in Oracle Weblogic Server (MOSC) 3 commentsAnswered

Recently, we are trying to migrate all DB from Oracle DB from 11 or 12 to 19c. One of our application is running with Oracle Form while it's connected to 11c DB. We have setup tnsname.ora and added 19c instance connection information. We run tnsping successfully but we have tried to use Oracle Java Client to connect it and prompted an error as ORA-28040: No matching authentication protocol. We have made a file sqlnet.ora on both server and client to accept connection from old client to new DB. But it's still failed.

Is there anyone can tell and teach me to figrure it out?

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