i've followed this microsoft guide but doesn't work for me http://www.iis.net/learn/get-started/whats-new-in-iis-8/iis-80-server-name-indication-sni-ssl-scalability, i get this error: cannot unistall certificate.
I've two certificate one from godaddy that require a preinstallation in "mmc\intermediation autority certification"
http://support.godaddy.com/help/article/4801/installing-an-ssl-certificate-in-microsoft-iis-7
and a rapid ssl that can be installed directly https://knowledge.rapidssl.com/support/ssl-certificate-support/index?page=content&actp=CROSSLINK&id=SO10517
WHAT I HAVE TO DO IN ORDER TO CREATE A SNI WITH THESE 2 CERTIFICATES?