[quote user="cheechuang"] Hi, MA Khan: All of the requirements you mentioned above can be satisfied in our system, and all the users use IE(6 or later) to visit our web site. Any other suggestions about the logs in event viewer I posted? [/quote] Cheechuang, I believe the event viewer entry...

Hello Cheechuang, Digest authentication has the following requirements : All clients that access a resource that is secured with Digest authentication are using Microsoft Internet Explorer 5.0 or later. The user and the server running IIS must be members of, or be trusted by, the same domain. Users must...