Cannot connect to oracle database

Hi everyone
I need connect to Oracle database
I use oracle database ver 19c, instant client 32bit
I have connected via TNS with oracle sqldeveloper successfully
I’ve already searched and followed some topics such as:

and so on
but until now I cant connect and got some error code:
Execute Query: ERROR [08004] [Oracle][ODBC][Ora]ORA-12154: TNS:could not resolve the connect identifier specified
ERROR [IM006] [Microsoft][ODBC Driver Manager] Driver’s SQLSetConnectAttr failed

Can anyone can help me to resolve this problem

1 Like

Hi @demon_2801 ,

There is long list of troubleshooting steps for error ORA 12154 in the below link. Please try and let us know. Thanks.


Check below thread for your reference

Hope this may help you