Enable Kerberos authentication in IIS 8.5

Procedure-related prerequisites

  • You need to be logged in as an administrator.
  • Configuration takes place in IIS web server.


  1. Go to: Administrative Tools >> Internet Information Services (IIS) Manager
  2. In the Connections span, expand the Sites node tree.
  3. In the Connections span, select the Default Web Site.
  4. The instructions describe the required steps for the Default Web Site.

  5. Double-click on the Authentication feature.
  6. Select Windows Authentication.
  7. In the Action span, click on Enable.
  8. Windows Authentication is enabled for the Default Web Site
  9. In the Action span, click on Providers.
  10. Choose Negotiate from Available Providers and click on Add.
  11. Ensure that Negotiate is the first provider in Enabled Providers.
  12. Click on OK to close the configuration dialog.