No Apologies Necessary. We were able to get the HTTPS certificate imported after reviewing a few other helpful posts (generating-rsa-private-key-and-public-certificate-for-https
However, now that the AP has a valid HTTPS cert, it seems browsing to the SM via the AP’s proxy mechanism no longer works, while accessing the AP utilizing the valid HTTPS cert. This seems to be the behavior on 22.0.2.
When we browse to the IP of the AP, proxy to the SM is fine. I did try installing the new certificate on the SM as well but it didn’t make a difference.