In your AD synchronization rule you should have specified what is relationship for this rule between MV objects and AD - like account name of employee ID? If FIM will detect that for existing AD account this condition is met it will join AD account with MV object and this will create a relationship you are asking for. You can read about FIM basic concepts - join.

Hi, I am creating all user accounts in FIM portal using HR flat file. How do I link the existing AD accounts to the portal accounts so that any updates from FIM portal will flow to AD? In my current setup, I have FILMA (Inbound Synch Rule) to create users in FIM portal. I have ADMA (outbound synch rule) for creating users in AD and to update attributes in AD for new users created via FIM. How do I link the existing AD accounts with the FIM accounts. Regards Sai