DOCUMENT:Q326014 06-AUG-2002 [exchange] TITLE :XWEB: Error Message: Self Registration of Cdo.dll Failed PRODUCT :Microsoft Exchange PROD/VER::2000,5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, version 5.5 - Microsoft Windows 2000 Datacenter Server - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Server ------------------------------------------------------------------------------- SYMPTOMS ======== If you install the Outlook Web Access (OWA) component of Exchange 5.5 on a Windows 2000-based server running Terminal Server, you may receive the following error message: Self registration of cdo.dll failed RESOLUTION ========== To resolve this issue, remove Terminal Services, install OWA, and then reinstall Terminal Services. NOTE: You may have to reinstall Terminal Services programs. 1. Remove Terminal Services. To remove Terminal Services, follow these steps: a. Click Start, point to Settings, click Control Panel, and then double-click Add/Remove Programs. b. Click Add/Remove Windows Components. c. After the Windows Components Wizard starts, click to clear the Terminal Services check box, and then click Next. d. Restart the computer when you are prompted to do so. 2. Install Outlook Web Access. 3. Apply the latest Exchange 5.5 service pack. 4. Reinstall Terminal Services. For additional information about how to install Terminal Services, click the article numbers below to view the articles in the Microsoft Knowledge Base: Q306626 HOW TO: Install Terminal Services in Application Server Mode Q306624 HOW TO: Install Terminal Services in Remote Administration Mode Additional query words: front page ====================================================================== Keywords : Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000DataServ kbwin2000DataServSearch kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbExchangeSearch kbExchange550 kbZNotKeyword2 kbWinAdvServSearch kbWinDataServSearch Version : :2000,5.5 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 2002.