DOCUMENT:Q243391 08-MAY-2002 [iis] TITLE :Client Certificate Mapping Corrupts in Server-Side Variables PRODUCT :Internet Information Server PROD/VER:winnt:4.0 OPER/SYS: KEYWORDS:kbIIS kbiis400 kbWinNT400PreSP7Fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When accessing an Microsoft Internet Information Server (IIS) 4.0 Web site that requires a client certificate, the server-side variables do not consistently identify the authenticated client and often the variables contain garbage characters. RESOLUTION ========== A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix should have the following file attributes or later: Date Time Size Version File name Platform -------------------------------------------------------------- 11/22/99 06:31p 329,024 4.2.733.1 Asp.dll x86 11/03/99 09:03p 17,872 4.2.729.1 Iiscrmap.dll x86 11/22/99 06:29p 185,248 4.2.733.1 Infocomm.dll x86 11/22/99 06:30p 11,248 4.2.733.1 Iwrps.dll x86 11/22/99 06:30p 38,256 4.2.733.1 Ssinc.dll x86 11/22/99 06:30p 25,360 4.2.733.1 Sspifilt.dll x86 11/22/99 06:30p 228,464 4.2.733.1 W3svc.dll x86 11/22/99 06:29p 87,504 4.2.733.1 Wam.dll x86 11/22/99 06:31p 549,648 4.2.733.1 Asp.dll Alpha 11/03/99 09:03p 27,920 4.2.729.1 Iiscrmap.dll Alpha 11/22/99 06:29p 303,888 4.2.733.1 Infocomm.dll Alpha 11/22/99 06:30p 16,656 4.2.733.1 Iwrps.dll Alpha 11/22/99 06:30p 60,176 4.2.733.1 Ssinc.dll Alpha 11/22/99 06:30p 39,696 4.2.733.1 Sspifilt.dll Alpha 11/22/99 06:30p 383,760 4.2.733.1 W3svc.dll Alpha 11/22/99 06:29p 149,264 4.2.733.1 Wam.dll Alpha STATUS ====== Microsoft has confirmed this to be a problem in Internet Information Server 4.0. Additional query words: IIS hotfix hot fix qfe quick engineering patch ====================================================================== Keywords : kbIIS kbiis400 kbWinNT400PreSP7Fix Technology : kbiisSearch kbiis400 Version : winnt:4.0 Hardware : ALPHA x86 Issue type : kbbug 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.