i have a acs appliance configured with a remote agent on a windows 2003 domain controller. I have followed the install guide and setup the permissions and accounts in AD. On the ACS the remote agent shows up and connected. When i try to authenticate a client via the ACS, authentications fails and the log show external database not responding, any troublshooting help would be good. Also if the external database fails will it look to the local database for the login credentials.
I have this problem too.