I have made the normal modifications required for Windows Authentication:
1) In IIS, modify directory security unchecking Anonymous access and checking Integrated Windows Auth
2) Modifying the web.config setting <authentication mode="Windows"/>
After making those two changes, if I navigate to the default login page and enter my credentials, the form refreshes, but is not redirected - the login page is reloaded and no error is displayed.
If I attempt to navigate directly to the portal admin page (dashboard), I am redirected to the login page (no errors).
If I add the following to the web.config:
<deny users="?" />
I'm redirected to the login page and in the server Application event log, the following error:
Event code: 4006
Event message: Membership credential verification failed.
I'm assuming that there are no modifications required to any other ASPX pages within SF to use Windows authentication, only Web.config and IIS setting?