DOCUMENT:Q253667 31-JUL-2001 [iis] TITLE :Err Msg: HTTP 401.2 - Unauthorized: Logon Failed Due to... PRODUCT :Internet Information Server PROD/VER:winnt:5.0 OPER/SYS: KEYWORDS:kbOSWin2000 kbDSupport kbiis500 kbiis500prod2web kbhttp4012 kbProd2Web ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Services version 5.0 ------------------------------------------------------------------------------- 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 CAUSE ===== The authentication methods that were tried are either disabled, or you are attempting to use NTLM through a proxy server. RESOLUTION ========== To resolve this problem, turn at least one authentication method on. To do this, perform the following: 1. From the Start menu, point to Programs, point to Administrative Tools, and then click Internet Services Manager. 2. Under the Tree pane, browse to the desired Web site. 3. Right-click the Web site, and then click Properties. 4. On the Directory Security tab, under Anonymous access and authentication control, click Edit. 5. Select (and implement) at least one type of authentication method. MORE INFORMATION ================ For more information about using authentication, refer to the following (assuming that the IIS product documentation is installed on your computer): http://localhost/iishelp/iis/misc/default.asp?jumpurl=../htm/core/iiabasc.htm (c) Microsoft Corporation 2000, All Rights Reserved. Contributions by Kevin Zollman, Microsoft Corporation. Additional query words: IIS 5 401-2 akz ====================================================================== Keywords : kbOSWin2000 kbDSupport kbiis500 kbiis500prod2web kbhttp4012 kbProd2Web Technology : kbiisSearch kbiis500 Version : winnt:5.0 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.