Thanks for your feedback too Pierre, this is something I'll capture in a Knowledge Base Article. I've also requested an example of the ACS side setup for an AP Admin login from Engineering, which I don't have for the article. If I email you, can you share an example from your TACACS+ setup?
as far i know while working with one end customer with similar issue with AD password containing $ were not working and it turned out Ruckus does NOT like passwords with $ and there was a bug opened for the same. not sure.. if that got sorted. That was years ago and for controller and AP's