Update Symantec Messaging Gateway (BrightMail) Preparing for the Upgrade Reducing Control Center data before the upgrade (The upgrade process might be lengthy if you have large data sources in the Control Center) Reduce messages in the spam quarantine (Spam -> Quarantine Settings) Reduce messages in the Content Incident folders (Content -> Content Incident Folders) Edit settings for each Quarantine folder Reduce reports data storage (Administration -> Reports) Reduce operational Logs (Administration -> Logs) It is recommended to clear as much data as you can before upgrading to make the p