Article ID: 253667 - Last Review: February 27, 2012 - Revision: 5.0

Error Message: HTTP 401.2 - Unauthorized: Logon Failed Due to Server Configuration with No Authentication

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SYMPTOMS

When you are attempting to browse a Web page, the following error is displayed:

You are not authorized to view this page
You do not have permission to view this directory or page using the credentials you supplied.

HTTP 401.2 - Unauthorized: Logon failed due to server configuration
Internet Information Services

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CAUSE

The authentication methods that were tried are either disabled, or you are attempting to use NTLM through a proxy server.

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RESOLUTION

To resolve this problem, enable at least one authentication method. To do this, follow these steps:

From the Start menu, point to Programs, point to Administrative Tools, and then click Internet Services Manager.
Under the Tree pane, browse to the desired Web site.
Right-click the Web site, and then click Properties.
On the Directory Security tab, under Anonymous access and authentication control, click Edit.
Select (and implement) at least one type of authentication method.