Hello, I am having a problem hopefully someone can help with. I have a Cisco 3000 Series Concentrator which I would like to autenticate to my 2003 Active Direcoty. The concentator is currently setup to authenticate to one server in our domain as an NT server. If I remove that server and change it to Active Directroy I can no longer log in from outside even though when I click the Test button it says that the authentication is fine. Also, with the NT Domain one speciffied, I have noticed that on some of my accounts I get an error that the domain is not specified and I have to put it in, and on other accounts I just have to put in my username and it works fine. Any ideas?