Before making changes to the AD FS settings, ensure the Active Directory Federation Services and Device Registration Service are running.

To do this, follow the steps below:

  1. Click the Start menu in the bottom-left corner of the screen.

  2. Type run and click the Run option.

  3. Enter services.msc and click OK.

  4. Ensure the Active Directory Federation Services is running. If it is not, right-click it and click Start.

  5. Ensure the Device Registration Service is running. If it is not, right-click them and click Start.