Knowledge Base

Internet Explorer Issues Extra Challenge with NTLM Authentication

Article ID: 189033

Article Last Modified on 1/23/2007


APPLIES TO


This article was previously published under Q189033

SYMPTOMS

If you are using Windows NT Challenge/Response (NTLM) authentication on your proxy server but a remote Web server uses Basic authentication, Internet Explorer may prompt you for your credentials one more time than is necessary. This behavior occurs with Internet Explorer 4.01 Service Pack 1 or the version of Internet Explorer included in Windows 98.

RESOLUTION

To resolve this problem, obtain and install Internet Explorer 4.01 Service Pack 2. You can obtain Internet Explorer 4.01 Service Pack 2 from the following Microsoft Web site:

Additional query words: username user name password extra logon login prompt

Keywords: kbqfe kbenv kbprb kbhotfixserver KB189033