Getting the following error when trying to Authenticate.
Check whether the Shared Secrets on the AAA Client and ACS Server, match. Ensure that the AAA Client and the network device, have no hardware problems or problems with RADIUS compatibility. Also ensure that the network that connects the device to the ACS, has no hardware problems
Where in the settings on the Cisco ACS 5.2 Appliance can you verify/change the shared secret?