Access the Desktop Design Layout page for the desktop you wish to create or modify in the Portal Server management console.
To access the Desktop Design Layout page, see procedure To Access the Desktop Design Tool in the Portal Server Management Console.
Select the channel from the list of channels in the Channel Library.
Select the Edit icon from the Channel Library toolbar.
The page to edit the properties of the channel pops-up.
Make your changes in the page and click on close.
The channel properties are modified.