Saturday, April 7, 2018

Renewing a TLS Certificate for IIS HTTP and FTP

A existing TLS certificate for IIS may be renewed without creating a renewal request, by having the issuer provide the updated certificate using the original public key. The example here uses GoDaddy as the issuer.

Part 1 - Install Intermediate Certificates

Godaddy provides a zip file with the new certificate and one or more intermediaries. Extract the files and install the intermediaries using the Certificates snap-in for MMC. In some servers you can get directly there by searching for "Manage Computer Certificates." If that doesn't work open the Microsoft Management Console (MMC):