I installed Oracle 11g using a response file. However when I tried to make a connection through SQL Developer I got the following message:
Listener refused the connection with the following error ORA-12505, TNS listener does not currently know of SID given in connect descriptor The Connection descriptor used....
I searched for tnsnames.ora and the path is C:\app\admin\product\11.1.0\db_1\owb\network\admin I'm not sure what owb directory is used for and how tnsnames ended up in this directory. Should't tnsname.ora be in C:\app\admin\product\11.1.0\db_1\admin?