You can modify any of the discussion group properties you originally created the discussion group with.
From the General Administration page, click the News Server server name button > Discussion Groups > Manage Discussion Groups > OK.
Select the discussion group you want to modify.
Click General Properties.
To modify the name the user sees, in the Display Name field, type the new discussion group name.
To modify the description, in the optional Description field, type the particular topic that the discussion group is about.
To modify the type of discussion group, click Categorized Discussion Group or Standard Discussion Group.
If the parent discussion group is already categorized, you will not see a choice for the type of discussion group.
Under Advanced Options, select the option you want to modify.
Click Submit.