Application is not able to connect to Database and its throwing below error :
ORA-28040: No matching authentication protocol
We have done Import of 12c database to 19c on AWS RDS and after import we are facing this issue
SQLNET.ALLOWED_LOGON_VERSION_CLIENT and SQLNET.ALLOWED_LOGON_VERSION_SERVER are set to 8 on Client side but still issue exists , on server side this values are set to 8 ,9 , 10 ,11 ,12