Understand sync, last modified, and last analyzed
Policy Analyzer and Optimizer displays policy metadata such as analysis status, last modified time, and last analyzed time. The last modified time reflects changes made to the policy in the managing the management center. The last analyzed time reflects the analysis run that produced the current Policy Analyzer and Optimizer summary.
Use Sync with FMC the latest policy inventory and modified timestamps from the management center. If a policy was modified after the last analysis, the displayed analysis can be out of date until you run analysis again or scheduled analysis runs.