Click on below installable file of server Only for installing the hot fix option select option2 else option1 Select option 1 install with hotfix2 , if you have already installed informatica then select 2nd option take care that as per below screenshot that path should not contain space else key will not be recognized Below steps are very important for creating the domain , while doing the load balancing second option is feasible. For new domain , select “Create Domain” Remove the tick of “https for Informatica Administrator” Automatically we will get database user id and the type , recorrect if it is not correct Create user named as ‘infa’ create user infa identified by infa; grant sysdba to infa; grant create session to infa; If above all things fails while configuring the user then you can setup the user as ‘sh’ as ‘sys’ for domain because it has super user access Untick jdbc parameter as shown in below screenshot ::::: Gave same password Username : Administrator