Generate a CSR for Plesk Onyx (version 17)

Connect to your plesk with an administrator account. Then go to the Websites & Domains page then click on SSL/TLS Certificates.
You can view your certificate list on this page. Click on Add SSL/TLS Certificate.
Input a name for your certificate and fill the mandatory fields:
- Bits: 2048 MINIMUM
- Country: Your organization headquarters' country
- State or province: State/Province/Département or equivalent where your Organization heardquarters are located
- Location(City) : Your organization heardquarters' city
- Organization Name (company): Legal name of your organization (not its commercial name), preferably uppercase
- Organization deparment or division name: (Optional). If not pertinent, leave empty or put a generic value like "IT Services".
- Domain name: Your server's domain name, e.g. secure.enterprise.fr or www.product.com.
  (Not an IP address. No space or whitespace characters.)
- Email: Certificate manager email. This email will not be used by TBS Internet or the authority but is required to validate the form.
Then click on Request.
You will then be redirected to your certificate list where you should see your new certificate. Click on your certificate name.
Browse the page until you reach the CSR section and copy the full CSR text, including -----BEGIN CERTIFICATION REQUEST ----- and -----END CERTIFICATE REQUEST-----.
You can now paste your CSR in your TBS Internet order form.

See also