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Maintaining a System Alias List 
Maintaining a system alias list entails adding new aliases, editing existing aliases, removing aliases, and assigning default alias status to one alias per defined system.
Once a system alias has been created, it is stored in the Portal Content Directory (PCD).
· You have system administration permissions.
· You have created or have access to at least one system based on a back-end application.
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1. From the top-level navigation bar choose System Administration ® System Configuration ®System Landscape.
2. In the Portal Catalog, expand Portal Content.
3. From a folder containing systems, right-click a system name and choose Open ® System Aliases. This opens the System Alias Editor, and displays the existing list of aliases created for this system.
¡ If you are already in the System Landscape Editor, from the Display drop-down list, select System Aliases.
4. Perform any of the following operations, as necessary:
¡ To create a new system alias, enter a name in the Alias field and click Add. The alias name appears in the Defined Aliases list. If this is the first alias created, it is automatically defined as the default system alias.
¡ To remove a system alias from the list, select it and choose Remove. The name is no longer displayed in the list of aliases.
¡ To set a different system alias as the default system alias, select it and click Set Default.
5. Save your changes and close the page.