DOCUMENT:Q269290 13-AUG-2001 [iis] TITLE :Error: CAPI2 = 80093005 When Installing a WWW Certificate PRODUCT :Internet Information Server PROD/VER::2.0,4.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server 4.0 - Microsoft Certificate Services, version 2.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you install a DER-encoded certificate that was issued by a computer that is running Microsoft Certificate Server 2.0 on a computer that is running Microsoft Windows NT 4.0 Internet Information Server 4.0, you may receive the following error in Key Manager: The Certificate is invalid. Please double-check that you have chosen the correct file. CAPI2 error = 80093005 CAUSE ===== Certificate Server 2.0 has two certificate formats: DER and Base64. Windows NT 4.0 Key Manager cannot process DER-encoded certificates. RESOLUTION ========== When you download the certificate from Certificate Server 2.0, select the Base64 encoded option instead of DER encoded. -or- Convert your existing certificate (.cer) file to Base64 encoded by using the following command. certutil -encode MORE INFORMATION ================ CertUtil is a command line utility that is installed with Certificate Server 1.0 and 2.0. Additional query words: Exchange POP3 IMAP4 SMTP TLS renew ====================================================================== Keywords : Technology : kbiisSearch kbiis400 kbCertServSearch kbZNotKeyword3 kbCertServ200 Version : :2.0,4.0 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.