Microsoft KB Archive/147617

= Third-Party Browsers Get Access Denied Msg Connecting to IIS =

Article ID: 147617

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 1.0
 * Microsoft Internet Information Server 2.0
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q147617



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



SYMPTOMS
When you try to connect to secure directories on an Internet Information Server (IIS) through a browser that does not support Windows NT Authentication, you will receive an error message stating that access is denied.



CAUSE
The Access Denied message occurs because your third-party browser is not capable of sending the Windows NT Challenge Authentication information to the server.



WORKAROUND
To work around this problem, enable Basic Authentication on your browser, and when you are prompted for a password, enter your Windows NT account information in the following format

domainname/username

For example, if the Windows NT domain name of johndoe is logging on to a domain named mydomain, you would enter

mydomain/johndoe

in the username (or user) field, and your password in the password field.

NOTE: Your browser must support basic authentication for the domainname/username syntax to work correctly.

Keywords: kberrmsg kbprb KB147617

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