2003服务器匿名账户设置错误，怎么办？

cnewind

提示如下：
You are not authorized to view this page
You do not have permission to view this directory or page using the credentials that you supplied.
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Please try the following:

•Contact the Web site administrator if you believe you should be able to view this directory or page.
•Click the Refresh button to try again with different credentials.
HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials.
Internet Information Services (IIS)

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Technical Information (for support personnel)

•Go to Microsoft Product Support Services and perform a title search for the words HTTP and 401.
•Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled Authentication, Access Control, and About Custom Error Messages.


请教高手，该怎样解决？