Certificate Services Web enrollment pages together with Windows Vista or Windows Server 2008

So you have brought in your brand new Windows Server 2008, hooked it up on the network and joined it as a member server in your domain. You decided to make this brand new server a Web Server and enable it for SSL. You open up an IE browser type in your Internal Certificate Authority Servername / certsrv page as you always do and you are suprised to receive an error.

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This is due to the fact that Windows Server 2008 and Vista rely on a different ActiveX component named Certenroll. Your existing Windows 2003 CA uses an ActiveX controll named Xenroll which is now depracated on Windows Server 2008 and Vista. You can make your existing Windows Server 2003 support web enrollment requests from Windows 2008 and Vista by applying the hotfix on this kb article.

http://support.microsoft.com/kb/922706