Microsoft KB Archive/184798

= SSL: Connections May Fail Using Online Requested Certificates =

Article ID: 184798

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Internet Information Server 4.0
 * Microsoft Certificate Server 1.0

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This article was previously published under Q184798



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



SYMPTOMS
When you try to connect using Secure Sockets Layer (SSL) to an Internet Information Server version 4.0 (IIS) that has a server certificate from an online Microsoft Certificate Server, you may receive the following error message:

Internet Explorer cannot open the Internet site

A connection with the server could not be established.



CAUSE
When you perform an online request, the certificate returned by Certificate Server is not bound with an IP address or port number. As a result, IIS does not use this certificate for incoming SSL connections.



WORKAROUND
When you get the certificate back from the online request, a dialog box appears in Key Manager. Click Add, and then click OK. The certificate is now bound to all unassigned IP addresses and port numbers.



MORE INFORMATION
NOTE: The above steps are not required if the certificate is requested from a well-known certificate authority, such as VeriSign, or when you are requesting a certificate from Certificate Server through the file-based mechanism (that is, not an online request).

IIS 4.0 ships with a tool named Key Manager, Keyring.exe, to request and process server certificates. One of the options is to request a certificate from an online Microsoft Certificate Server. Online indicates that Certificate Server is running on the same computer as IIS, and the request is made without using a text-based approach.

Keywords: kbprb kbpending KB184798

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