In Microsoft® Exchange Server 2003, a new authentication mechanism was introduced for Microsoft Office Outlook® Web Access for Exchange Server 2003. Forms-based authentication provides a central Web logon screen for users to authenticate through. When you use forms-based authentication, your logon credentials are stored in a temporary cookie. Storing these credentials in a cookie provides a more secure mechanism for ensuring session logout and automatic timeout.
This topic provide information intended to help Exchange administrators customize their logon page so that it fits their organization’s needs.