Do the following :
- Make sure you have AOS 6.2 and up
- From the Remote Location can you ping the Public IP address
- Make sure you add VPN Pool to provide an Internal IP address
- Add the MAC address of the RAP to the RAP Whitelist
- In the AP-Group add the PUBLIC IP Address to the provision > Master IP
- Factory Reset the RAP
- Connect the Instant SSID and open a browser to reach instant.arubanetworks.com , login using admin/admin
- From the Maintenance Tab
- Finally Click on Convert NOW
-