DOCUMENT:Q174709 22-JUN-2001 [exchange] TITLE :XWEB: Err Msg: Exchange Server Down or HTTP Service Disabled PRODUCT :Microsoft Exchange PROD/VER:WINDOWS:5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Outlook Web Access, version 5.5 - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you attempt to log on to a Microsoft Exchange Server computer using the Outlook Web Access client, the following error message may appear: Sorry! The Exchange Server is down or the HTTP Service has been disabled by an administrator. CAUSE ===== The HTTP protocol may be disabled and/or Anonymous Access may be disabled in the LDAP protocol. WORKAROUND ========== To work around this problem, make sure that HTTP and Anonymous Access are enabled. To ensure that HTTP is enabled: 1. In the Exchange Server Administrator program, click the Configuration container, click the Protocols object, and in the right pane, double-click HTTP. 2. Make sure the Enable Protocol object check box is selected. To ensure that Anonymous Access is not disabled in LDAP: 1. In the Exchange Server Administrator program, click the Configuration container, click the Protocols object, and in the right pane, double-click LDAP. 2. Click the Anonymous tab, and click to select the Enable Anonymous check box. Additional query words: ====================================================================== Keywords : Technology : kbOutlookSearch kbOWASearch kbOWA550 Version : WINDOWS: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. Copyright Microsoft Corporation 2001.