Configuring IIS for Single Sign-on with Active Directory

Launch Internet Information Services (IIS) Manager.

In tree to the left, navigate to the system's admin directory.

In the tabs at the bottom, click on Content View.

In the list at the center, locate the login.aspx file.

In the actions to the right, click on Switch to Features View.

IIS Manager showing content view of admin-directory with login.aspx selected.

In the settings in the center, double-click on Authentication.

Enable Windows Authentication and disable all others.

IIIS Manager showing Authentication settings for login.aspx with Windows Authentication enabled and the others disabled.