Navigate to Start > All Programs > DataWarehouse Administration Console Oracle 10g β xxx. Click Start Server Start DAC Client., enter User name and Password 'Administrator/Administrator'. Click Login At first the connection icon is red, then it changes to orange, assuming you have configured correctly. Connect your machine to Oracle network. Test all the connections again. Informatica Integration Service Informatica Repository Service Physical Data Source β DataWarehouse Physical Data Source - ORA_11_5_10 Physical Data Source β ORA_R12