This Cisco® Wireless Control System (WCS) licensing and ordering guide presents ordering guidelines and licensing information for new and existing Cisco WCS deployments that are being upgraded to support Cisco WCS Software Release 4.1. This guide includes information on buying new or expansion Cisco WCS licenses to deploy on single or multiple servers, adding new Cisco WCS enterprise licenses, migrating from CiscoWorks Wireless LAN Solution Engine (WLSE) to Cisco WCS, upgrading to the Cisco WCS location option, and deploying the free Cisco WCS Demonstration License.