User name/password Select this option if you have been given a user name and password for the application. User name/password (with keyfile) Select this option if you have been given a USB stick containing a keyfile needed to login. Windows (single sign-on) Login using your Windows user account credentials. SAP Portal (single sign-on) Login using your SAP user account credentials. Directory service Login using a third party directory service such as SiteMinder or NDS. SAML (single sign-on) Login using a SAML identity provider.     This system supports multiple methods for user authentication. Please choose one of the login methods listed above.