Blackbaud does not directly assist with the installation of SSL certificates on client web servers. However, these links from Microsoft's help site may be helpful (current at the time this Knowledgebase solution was published):

Configuring IIS Server Certificates in IIS7 (Microsoft Link)

Note: We provide links to third-party websites in an effort to help you resolve your issue. We are not responsible for the information on third-party websites, and we cannot assist with implementing resolutions from these websites.