Exchange SSL UCC renew process when powershell and ECP don't work.
Microsoft Exchange: SSL UCC Certificates when they won't add correctly. How to add them via the MMC Certificates Snap-In Import Process. Because Microsoft broke the SSL renew process in Exchange for both the ECP and powershell with Exchange 2016 CU23 and Exchange 2019 CU12, here is a work around. Here's a quick step-by-step summary: First open MMC with the Certificates plug in. Drag-n-drop your new certificate (missing the key on the upper left part of the certificate icon) to the "Personal" certificate store. This I did because the name of the "Web Hosting" store is a so called friendly name and not the real name of the store, and I could not remember the real name which is needed for the command prompt utility certutil . Instead I just remembered that the real name of "Personal" is "My". Makes the rest easy, and once done I just move the certificate back into "Web Hosting". Once the new certificate (missing the key) is in ...