Select the Portals tab.
Select a portal from Portals.
From Select DN drop-down menu, select any DN.
Under Tasks, click Manage Channels and Containers.
Select a container in the tree on left frame to display Edit Properties page on the right frame.
Under Tasks, click Select Channels or Containers to Delete.
Under Type, select Channel or Container.
Available channels and containers are displayed.
Select a channel or container, and click Delete.