• Your AD Connect configuration in PingOne must have an Authentication Type value of either "Hybrid" or "Integrated".

For seamless SSO with AD Connect, use these instructions to assign the Windows Server® IIS host to the Mozilla Firefox® client's list of trusted sites.

  1. In Firefox, enter "about:config"” in the URL address bar.
  2. In the Search bar, enter "network.negotiate".
  3. Double-click the entry network.negotiate-auth.trusted-uris, and enter the URL of the IIS host for AD Connect (for example,
    Note: If you're using NLB, or another clustering solution, you will add the virtual cluster IP rather than an individual IIS host IP.
  4. Click OK. The URL for the IIS host is displayed as the value of network.negotiate-auth.trusted-uris.
The IIS host(s) for AD Connect should now be accessible from your Firefox clients.