DOCUMENT:Q203116 21-OCT-2000 [exchange] TITLE :XFOR: TCP/IP Listener Socket Error Message When Starting IMS PRODUCT :Microsoft Exchange PROD/VER:winnt:5.5 OPER/SYS: KEYWORDS:exc55 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5, on platform(s): - the hardware: Intel x86 ------------------------------------------------------------------------------- SYMPTOMS ======== When you start Internet Mail Service, you may receive the following event in the Application Log of the Microsoft Windows NT Event Viewer: Event ID: 4007 Description: The following error occurred while trying to bind the TCP/IP listener socket (10050) CAUSE ===== This error message can occur if Microsoft Proxy Client is installed and enabled on Microsoft Exchange Server but Exchange Server is not connecting to the Internet through Microsoft Proxy Server. WORKAROUND ========== If you are using Microsoft Proxy Server on your Exchange Server computer, you must also use Microsoft Proxy Client. Conversely, if you are using a proxy server other than Microsoft Proxy Server, you must disable Microsoft Proxy Client. Additional query words: ====================================================================== Keywords : exc55 Technology : kbExchangeSearch kbZNotKeyword2 Version : winnt: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 2000.