160 | SRA 6.0 Administrator’s GuideStep 9 Select the Auto-assign groups at login check box to assign users to a group when they log in.Users logging into NT domains are automatically assigned in real time to SRA groups basedon their external NT group memberships. If a user’s external group membership has changed,their SRA group membership automatically changes to match the external group membership.Step 10 Optionally select the One-time passwords check box to enable the One-time passwordfeature. A drop-down list will appear, in which you can select if configured, required for allusers, or using domain name. These are defined as:• if configured - Only users who have a One Time Password email address configured willuse the One Time Password feature.• required for all users - All users must use the One Time Password feature. Users who donot have a One Time Password email address configured will not be allowed to login.• using domain name - Users in the domain will use the One Time Password feature. OneTime Password emails for all users in the domain will be sent to username@domain.com.Step 11 If you select using domain name, an E-mail domain field appears below the drop-down list.Type in the domain name where one-time password emails will be sent (for example, abc.com).Step 12 Click Accept to update the configuration. Once the domain has been added, the domain will beadded to the table on the Portals > Domains page.Adding or Editing a Domain with RADIUS AuthenticationTo configure a domain with RADIUS authentication, perform the following steps:Step 1 On the Portals > Domains page, click Add Domain or the Configure icon for the domain to edit.The Add Domain or Edit Domain window is displayed.Step 2 If adding the domain, select RADIUS from the Authentication Type menu. The RADIUSconfiguration field is displayed.