Let's start by saying that our intention is to create an Active Directory account to a user. In this scenario, the Active Directory is the Resource

An IT resource is the virtual representation of an application instance. So if you have Active Directory installed across multiple servers, 1 particular server (aka target system) of the application will be the IT resource. In OIM terms, the IT resource is just a storage of information regarding that particular application server (such as server name, IP address, admin username)

A resource Object (aka RO) is the virtual representation of an actual resource. OIM uses resource Objects to track which users have accounts in the resource

So if you have Active Directory Resource, with two servers called server1 IT Resource and server2 another IT Resource, you need to create a resource object within OIM so OIM knows which accounts are within each Active Directory servers

Thanks

Hi Umair ,

You can also refer following article for understanding IT Resource and IT Object .

http://apps2fusion.com/oracle-fusion-online-training/oracle-identity-and-access-management/1034-application-instance-in-oim

Thanks