The RSA Identity Governance & Lifecycle Identity Collector (IDC) shows many users in a Changed state even though no attributes for the user have changed.
In the Task Results for the Collection Run there are a large number of users in the Reprocessed column.
Image description
The RSA Identity Governance & Lifecycle Identity Unification takes longer than expected to complete.
If you select the Identity Data Unification run under the Data Runs tab under the Admin Monitoring menu for the unification run. Under Task Results it shows that a large number of users under the Changed column.
Image description
If you view the Database Logs for Run for the Unification run you will see the task "Find/reprocess objects with unresolved Business Units" is processing all of the users.
61182 3 SourceDataTables Do_Delta INFO 2/20/2019 5:06 35093 rows processed 61181 3 SourceDataTables Do_Delta SQLTEXT 2/20/2019 5:06 Find/reprocess objects with unresolved Business Units
To associate users and assets with a business unit, you must create it in RSA Identity Governance and Lifecycle before you run identity collection and other data collections.