Associating an existing web application with AD FS authentication

Complete the following steps to associate an existing web application with AD FS authentication:
  1. On the SharePoint Central Administration home page, click
    Application Management
    .
  2. On the Application Management page, in the
    Web Applications
    section, click
    Manage web applications
    .
  3. Click the appropriate web application.
  4. From the
    Web Applications
    menu, click
    Authentication Providers
    .
  5. Under
    Zone
    , click the name of the zone. For example,
    Default
    .
  6. In the
    Claims Authentication Types
    section of the Edit Authentication page, select
    Trusted Identity provider
    . Click the name of your SAML provider (
    <ProviderName>
    from the
    New-SPTrustedIdentityTokenIssuer
    command), and then click
    OK
    .
  7. To enable SSL for this web application, do the following:
    • Add an alternate access mapping from Application Management for the "https://" version of the web application's URL.
    • Configure the website in the Internet Information Services (IIS) Manager console for an https binding.