Hello, I have an ASA 5515X ver 9.0 with an strange issue, the outside interface is using pppoe for the ip address, the asa gets the ip address with no problem, all access rules works fine, but when I want to use some of the vpn wizards the outside in...

The base license for ACS 5.1 is 5.X, do I need any upgrade license in order to upgrade to 5.3 ?  The ACS is not in production so I can make fresh 5.3 install if is needed.Thank you.