The Synchronize Metadata feature ensures that metadata kept for Interactive Reporting documents in the repository is up-to-date. Only documents with discrepancies are re-harvested. The synchronize action is not required if Enable Harvesting is selected in Manage General Properties of the Administer module. Select Navigate, then Administer, then General, and select Enable Harvesting.
The only option available for the feature is when to perform a synchronization. Request a synchronization to run now or schedule the operation to occur later. See Using the Run Now Option and Using the Schedule Option.