CWNP Exam CWSP-206 Topic 12 Question 15 Discussion

A large enterprise is designing a secure, scalable, and manageable 802.11n WLAN that will support thousands of users. The enterprise will support both 802.1X/EAP-TTLS and PEAPv0/MSCHAPv2. Currently, the company is upgrading network servers as well and will replace their existing Microsoft IAS implementation with Microsoft NPS, querying Active Directory for user authentication. For this organization, as they update their WLAN infrastructure, what WLAN controller feature will likely be least valuable?