By default waiting time of BI Connector for response from OBIEE Server is set to be 5 minutes. If the response is not received within this specified time, BI Connector will throw time-out error.
If your execution of report will take longer time, you can increase this time out period by following the below steps.
Step 1: Open “ODBC Administrator” and click on “Configure” button of the DSN that you created for connecting Tableau with OBIEE.
Step 2: Click on Advanced Settings icon to open the advanced settings dialog box.
Step 3: Click on Use Custom http timeout in minutes checkbox to enable it and in the text box, type the number of minutes that you want to wait for the response from OBIEE Server(Example: 60 minutes).