HTTP Error 401.2 - Unauthorized You are not authorized to view this page due to invalid authentication headers

Question

i want to allow access to Anonymous.aspx page to all user, i have set Basic Authentication to Enabled, and Connect as to specific user<

Answer 1

I had the same issue, and spent quite a bit of time trying to track down the solution. I had Anonymous Authentication set up at two different levels with two different users. Make sure that you're not overwriting your set up at a lower level.