DOCUMENT:Q268643 05-APR-2001 [exchange] TITLE :XFOR: Internet Mail Service Does not Start with Event 4003, 4020 PRODUCT :Microsoft Exchange PROD/VER::5.5 OPER/SYS: KEYWORDS:kberrmsg kbnetwork kbExchange550 kbProxyServ ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you install Internet Mail Service (IMS) on a computer that is running Exchange Server 5.5 and Winsock Proxy (WSP) Client, IMS may not start. The application log of Event Viewer reports the following events: Event ID=4003 The following error occurred while trying to retrieve protocol information. Error=11004 Event ID=4020 Unable to start the service because Winsock could not be initialized. RESOLUTION ========== To resolve this behavior, remove the TCP/IP protocol, reinstall the TCP/IP protocol, and then reapply the latest Microsoft Windows NT 4.0 service pack and the latest Exchange Server 5.5 service pack: 1. On the Windows taskbar, click Start, point to Settings, and then click Control Panel. 2. In Control Panel, double-click Network, and then click the Protocols tab. 3. In the Protocols properties page, click TCP/IP Protocols, and then click Properties. Record the settings from the TCP/IP properties page. 4. In the Protocols properties page, click TCP/IP Protocols, click Remove, click OK, and then restart the Exchange Server computer. 5. On the Windows taskbar, click Start, point to Settings, and then click Control Panel. 6. In Control Panel, double-click Network, and then click the Protocols tab. 7. In the Protocols properties page, click Add, click TCP/IP, and then click OK. 8. Configure the TCP/IP protocol, using the settings you noted in Step 3, and then restart the Exchange Server computer. 9. Apply the latest Windows NT 4.0 service pack and the latest Exchange Server 5.5 service pack. Restart the Exchange Server computer. 10. If IMS does not restart, in Control Panel, double-click Services, click Microsoft Exchange Internet Mail Service, and then click Start. MORE INFORMATION ================ For additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base: Q193928 XCON:Internet Mail Service Won't Start, Event ID 4007 and 4020 Q222134 XADM: Unable to Establish Proxy Functionality with Exchange Server Behind Proxy Server Q222553 XFOR: IMC Events 4020, 4007 with Error 10048: Winsock Failed to Initialize Q178532 XFOR: Configuring Exchange Internet Protocols with Proxy Server Q181847 XADM: How to Configure Microsoft Exchange Server with Proxy Server For additional information about obtaining service packs for Windows NT 4.0 and Exchange Server 5.5, click the article numbers below to view the articles in the Microsoft Knowledge Base: Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack Q191014 How to Obtain the Latest Exchange Server 5.5 Service Pack Additional query words: ====================================================================== Keywords : kberrmsg kbnetwork kbExchange550 kbProxyServ Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 Version : :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.