From our documentation:
https://support.quest.com/technical-documents/on-demand-migration/current/active-directory-password-sync-setup-quick-start-guide/3
Move to Match Objects
This is the step where you will decide on how to match existing objects across your local Active Directories.
Matching is conducted by pairing sets of attributes to find corresponding objects
Your two (2) environments may already have some attributes that can be used to find similar objects between the different directories, or you may need to set some to ensure accurate matching
For the purpose of Password Synchronization, it is most important that existing objects are correctly matched to perform Password Synchronization.
Validating the Workflow
Follow the below steps to perform Real Time Password Sync workflow and validation: