If a wildcard domain certificate has been used then you won’t need to follow the steps in this post. If, like me, you’re using individual machine certificates then you will have problems with trust relationships between servers unless you install the certificate from each machine on all of the others.
To accomplish this, the certificates need to be exported and then imported. As an example, I am going to transfer the certificate from the Session Control Server (SC1) to the first Session Host (SH1).
To do this open Internet Information Services (IIS) Manager, select the machine and double click Server Certificates: