Magento 2 was just released last night and, I can't wait to work on it. I tried installing it with all prerequisites.
Frontend works fine. But when I tried to open the backend, it says "this webpage has a redirect loop". Magento created "admin_r2sxkn" as a unique backend URL. My Admin URL is http://localhost/magento2/admin_r2sxkn
As a solution, I tried deleting the cache which did not work.
P.S I have xampp on mac, with the latest versions of PHP and MySql, installed PHP extension incl as required.
Any help would be appreciated.