On a Windows server in order to install a non Shared SSL, A dedicated IP must be placed on your domain. On Linux servers this is not required.
- Navigate to Domain Settings > Domain Info
- Select the domain you wish to add a dedicated IP to.
- Click the Edit icon in the Web Service field.
- Select the Change to Dedicated IP link.
- Agree to the fact you acknowledge it can take up to 24 hours to update the DNS.
- Agree to the charges.