This task describes how to configure SkyVault for Doclib Portlets.
    - Browse to <ALFRESCO_HOME>/tomcat/shared/classes/alfresco/.
 - Open the file SkyVault-global.properties.
 - 
        Add the following:
        
authentication.chain=alfrescoNtlm1:alfrescoNtlm,external1:external external.authentication.proxyUserName=
 - Save the file.