If you are using BI Connector v4.8 and above and if you want to connect with OBIEE 10g version
Please follow the simple steps below to enable OBIEE 10g compatibility in BI Connector:
Navigate to the BI Connector installation folder: "C:\Program Files\BI Connector".
Open the "Log folder shortcut".
Now you’ll notice the address bar reads as below -
Click "BI Connector" in the address bar.
Open the "BI Connector.config" file.
In the file, change the value of UseWSDLv5 from 0 to 1 to enable OBIEE 10g compatibility.
Save the file and close it.
There you go! Now you have successfully enabled OBIEE 10g in BI Connector.