upgrade from acme v1 to v21 min read
Recently there was a change from letsencrypt that ACME client v1 is deprecated and updated the users whoever using the v1 to upgrade to v2 version.
They have sent emails to the users who has enrolled their email in the letecrypt email database.
In this article I will show how to upgrade the ACME client from v1 to v2.
Once done renew your website certificate
Once the process done you will be able to see successful message.