Creating a Collection (Step 1) 
A prerequisite for storing ADK files in ILM-aware storage systems is one or more WebDAV servers with an ILM-enhanced WebDAV interface. Before you can store the ADK files you must:
Choose an empty or create a new root collection in your WebDAV system.
The XML DAS authenticates against WebDAV servers using user and password set in an HTTP destination that is registered in the XML DAS and is maintained in the Destination Service of the Visual Administrator located in the AS Java of the XML DAS.