The "My Custom Web Server Configuration Database" is based on the IBM Domino Web Server Configuration Database Template (DOMCFG5.NTF).
It gives you the ability to create your own Login page
as well as to define custom Error messages that can make your users and also your life easier
All the messages displayed to a User can be configured in up to two languages.
Together with the SPNEGO Login Database a comfortable Single Sign On Solution can be deployed in your Domino environment by utilizing a central SPNEGO enabled Domino server for User authentication.