Without logging in, end users have access to any read-only communication channels that administrators have configured. However, end users are usually prevented from editing these channels.
Select the SSO Adapter tab.
From SSO Adapter Tasks, click Edit list of users allowed to access SSO Adapters without authentication.
From User locations, click Add Users.
From Users Found table, choose users.
Click Add Selected Users.
The Anonymous Users function is available only through Portal Server management console.