DOCUMENT:Q202366 03-APR-2002 [iis] TITLE :Outlook 98 Does Not Read Certificates from Certificate Server PRODUCT :Internet Information Server PROD/VER::4.0 OPER/SYS: KEYWORDS:kbWinNT400sp4fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== Outlook 98 does not read certificates created by Microsoft Certificate Server. Outlook 98 is sensitive to the contents of the KeyUsages field. Specifically, if either KeyEncipherment or DigitalSignature is used, then both must be set. CAUSE ===== The default policy module shipped with the Windows NT Option Pack only sets KeyEnchipherment and not DigitalSignature. Therefore, Outlook 98 does not read certificates created by Certificate Server running the default policy module. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, please see the following article in the Microsoft Knowledge Base: Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack WORKAROUND ========== You can also work around this issue by modifying the default policy module to set both KeyEncipherment and DigitalSignature or neither when you are issuing mail certificates. STATUS ====== Microsoft has confirmed this to be a problem in Internet Information Server version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4. MORE INFORMATION ================ The source code for the default policy module is available as part of the Windows Base Services component of the Platform SDK from MSDN. REFERENCES ========== For additional information, click the article number below to view the article in the Microsoft Knowledge Base: Q190157 Support for Windows NT 4.0 Option Pack on Terminal Server Additional query words: ====================================================================== Keywords : kbWinNT400sp4fix Technology : kbiisSearch kbiis400 Version : :4.0 Issue type : kbprb Solution Type : kbfix ============================================================================= 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.