This document provides release notes for version 6.0 of the ArcSight Connector Appliance. Key updates in this version include new diagnostic tools, integration with ArcExchange for sharing FlexConnectors and parser overrides, the ability to export and import remote management configurations, enhancements to the destination and connector parameter editors, and an option to exclude SmartConnector data from appliance backups. Instructions are provided for upgrading eligible appliances to version 6.0 from the previous version 5.5 SP1 Patch 1.