Problem in getting SSL Certificate through Let's Encrypt

Posted February 13, 2020 9.9k views

I was trying to get SSL certificate for my domain on PhpMyAdmin Droplet by following the steps mentioned at “”. My server is Ok. I have DNS A entry for my and CNAME entry for my

As I went to execute sudo certbot --apache -d your_domain -d www.your_domain
It asked me to enter email address and after that it gave me the following error.

An unexpected error occurred:
The client lacks sufficient authorization :: Account creation on ACMEv1 is disabled. Please upgrade your ACME client to a version that supports ACMEv2 / RFC 8555. See for details.

I tried with root and non root admin user with sudo but still the same. Any help is appreciated

edited by MattIPv4

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2 answers


I believe that Let’s Encrypt ACMEv1 protocol is no longer supported and you should upgrade to an ACMEv2.

You can take a look at the answer here on how to do that:

Hope that this helps!

Thank you very much bobbyilive I will look into the link too. I also just discovered that you need to run

sudo apt update
sudo apt install –only-upgrade certbot
before you run
sudo certbot –apache -d yourdomain -d www.yourdomain
and it works
Thank you very much for your support