I receive an Unable to connect error when trying to connect to our Cisco 4900M switch using Network Assistant 5.8.7. Can anyone help on this? My configuration is attached.                

We have two 4900m Catalyst Switches with IOS Software Version 12.2(53) SG8. New to initally configuring a Cisco managed switch. Need help or step-by-step instructions on setting up management so I can access switches by web browser or embedded CiscoV...