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Q269290: Error: CAPI2 = 80093005 When Installing a WWW Certificate

Article: Q269290
Product(s): Internet Information Server
Version(s): 2.0,4.0
Operating System(s): 
Keyword(s): 
Last Modified: 13-AUG-2001

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The information in this article applies to:

- Microsoft Internet Information Server 4.0 
- Microsoft Certificate Services, version 2.0 
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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 <source certificate (*.cer)> <output certificate (*.cer)>

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

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Keywords          :  
Technology        : kbiisSearch kbiis400 kbCertServSearch kbZNotKeyword3 kbCertServ200
Version           : :2.0,4.0
Issue type        : kbprb

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