- Plesk Onyx
- Plesk Onyx for Linux
- Plesk Onyx for Windows
Let's Encrypt certificate for example.com is installed on the server and visible at Tools & Settings > SSL/TLS Certificates
This certificates is set up for securing another domain example2.com in Domains > example2.com > SSL/TLS Certificates
On accessing domain example2.com the following (or similar) warning is displayed in the browser screen:
CONFIG_TEXT: The security certificate presented by this website was issued for a different website's address
Domain names mismatch: The certificate issued for specific domain cannot be used to secure another domain.
- Log into Plesk
- Install a Let's Encrypt certificate at Domains > example2.com > Let's Encrypt.
- Choose the certificate installed during the Step 2 at Domains > example2.com > Hosting Settings in the Security section.