I'm pretty good at manipulating VBA scripting, however I've never built a connection from scratch. Only information I have is what I have from my connection from an Oracle SQL developer.
ID/password: dcXXXXX12/ dcXXXXXXXu
Hostname: pprmm24x
Service name: dpr81dc_ro_6777_01
Port #: 1521
ID/password: dcXXXXX12/ dcXXXXXXXu
Hostname: pprmm24x
Service name: dpr81dc_ro_6777_01
Port #: 1521