Hi @JuergenAuer
Thanks for the quick response!
I had no idea that challenge was depreciated. We used this guide to install certbot: https://www.digitalocean.com/community/tutorials/how-to-secure-apache-with-let-s-encrypt-on-ubuntu-16-04
We’re a little new to this. Any suggested reading material on how to properly switch to version 2 and http-01?