KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q293098: XWEB: HTTP 404 "Page Cannot Be Found" Accessing OWA Behind Proxy

Article: Q293098
Product(s): Microsoft Exchange
Version(s): 2.0,5.5
Operating System(s): 
Keyword(s): 
Last Modified: 22-JUN-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Outlook Web Access, version 5.5 
- Microsoft Proxy Server version 2.0 
- Microsoft Exchange Server, version 5.5 
-------------------------------------------------------------------------------

SYMPTOMS
========

You may receive the following error when you are trying to access the Outlook
Web Access (OWA) logon page from a location that is external to your Proxy
server:

  HTTP 404 Page Cannot Be Found

You are also unable to log on to OWA from inside your network to bypass the Proxy
server.

CAUSE
=====

This behavior occurs because OWA and Proxy Server are running on separate
computers, and you did not configure Web Publishing to send requests to another
Web server in Proxy Server.

RESOLUTION
==========

To resolve this behavior, enable Web Publishing to send requests to another Web
server:

1. Start Internet Service Manager (ISM), which starts the Microsoft Management
  Console (MMC) Internet Information Server (IIS) snap-in .

2. On the Action menu, click Web Proxy, and then click Properties.

3. On the Publishing tab, click to select the Enable Web Publishing check box.

4. Click "Sent to another web server".

5. Type the internal IP address or the NetBIOS name of the OWA server. You can
  also use the fully qualified domain name as long as the name can be resolved.

Note: If more than one Web server exists, refer to the articles that are listed
in the "More Information" section in this article.

MORE INFORMATION
================

For additional information, click the article numbers below to view the articles
in the Microsoft Knowledge Base:

  Q207655 XWEB: Setting Up Web Publishing and OWA Access Through a Proxy

  Q198509 XWEB: 'Unable to Get Your Inbox' Using OWA via Proxy Server

Additional query words:

======================================================================
Keywords          :  
Technology        : kbOutlookSearch kbAudDeveloper kbExchangeSearch kbExchange550 kbZNotKeyword2 kbProxyServSearch kbOWASearch kbOWA550 kbProxyServ200
Version           : :2.0,5.5
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.