DOCUMENT:Q189653 28-JUL-2000 [exchange] TITLE :XWEB: OWA Directory Listing Denied Error PRODUCT :Microsoft Exchange PROD/VER:WINDOWS:5.0,5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Active Server Components, version 5.0 - Microsoft Outlook Web Access, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you use Microsoft Internet Information Server (IIS) version 3.0 with Microsoft Exchange Server version 5.0 or 5.5, and you try to open the Exchange Server 5.0 Active Server Pages or the Exchange Server 5.5 Outlook Web Access (OWA) pages, you receive the following error messages when using Microsoft Internet Explorer version 3.02: HTTP/1.0 403 access forbidden And the following error message when using Microsoft Internet Explorer version 4.0: HTTP/1.0 invalid application name Using IIS 4.0 with Exchange Server 5.5 and trying to open up the OWA pages may produce the following error message: Directory Listing Denied. The virtual directory does not allow contents to be listed. CAUSE ===== These errors occurs when the Exchange Server Virtual Directory is set to be the IIS home directory. The Exchange Active Server Components for Exchange Server 5.0 or the Outlook Web Access components for Exchange Server 5.5 are coded to use the /Exchange alias WORKAROUND ========== To work around this problem: - Do not use the Exchange Virtual Directory as an IIS home directory. - The Exchange Virtual Directory can be used as a virtual server. - Create a Default.htm file in the root of the IIS server to jump directly into the Exchange Virtual Directory. See sample below. << Begin HTML Sample >> Auto forward to another page

This page will load the /EXCHANGE page after 5 seconds.

<< End HTML Sample >> STATUS ====== Microsoft has confirmed this to be a problem in . MORE INFORMATION ================ For additional information about this issue, please see the following article in the Microsoft Knowledge Base: Q189836 : XWEB: Outlook Web Access Error: HTTP/1.0 403 Access Forbidden For additional information about this issue in Exchange Server 5.5 SP3, click the article number below to view the article in the Microsoft Knowledge Base: Q174707 XWEB: Changing the Outlook Web Access Virtual Directory Additional query words: ====================================================================== Keywords : Technology : kbOutlookSearch kbZNotKeyword6 kbExchangeSearch kbZNotKeyword2 kbOWASearch kbOWA550 kbExchangeActiveServComp500 Version : WINDOWS:5.0,5.5 Issue type : kbbug Solution Type : kbpending ============================================================================= 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 2000.