Introduction to the Azure AD Connect Synchronization Service Manager UI
The Synchronization Service Manager UI is used to configure more advanced aspects of the sync engine and to see the operational aspects of the service.
You start the Synchronization Service Manager UI from the start menu. It is named Synchronization Service and can be found in the Azure AD Connect group.
Learn more about the Azure AD Connect sync configuration.
Learn more about Integrating your on-premises identities with Azure Active Directory.