Symantec 7.5 Cloud Enabled Management IIS Settings

Hi,

We are using Symantec management Platform 7.5, To support internet via connecting laptop we configured cloud management settings.

But in console settings-->notification server-->Cloud-enabled Management--> set up--> Cloud-enabled Management Agent IIS Website Settings

greyed outunable to do any changes..

Attached screenshot

Selected check buttion on Add IIS website for cloud enabled management agent connection

Port:4726

FQDN: <servername>

Any help is much appreciated.