Configuring the IIS for Integrated Windows Authentication 

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       1.      Start the IIS Management Console (Internet Services Manager).

       2.      Click on the virtual directory that you created in the portal Web site (in this example, Scripts) with the secondary mouse button and choose Properties.

       3.      Choose the Directory Security tab.

       4.      Under Anonymous access and authentication control, choose Edit.

       5.      Make sure that the only marked checkbox is Integrated Windows authentication and confirm all dialog boxes.

       6.      Make sure that HTTP Keep-Alives Enabled is activated both for all of the IIS and for the portal Web site.

                            a.      In the IIS Management Console, click on the hostname of the IIS with the secondary mouse button and choose Properties.

                            b.      Make sure that Master Properties is set to WWW Service and choose Edit.

                            c.      On the Web Site tab, verify that HTTP Keep-Alives Enabled is activated.

                            d.      Repeat steps a and c for the portal Web site.

       7.      Restart the IIS.