- Plesk has been recently updated to version 18.0.55
- Service plan has option Setup of potentially insecure web scripting options that override provider's policy and Hosting settings management enabled at Service Plan > Example > Permissions.
Customers that use this Service Plan can no longer enable, disable or change options Enabled, Redirect visitors from HTTP to HTTPS via a SEO friendly 301 redirect and Certificate at Domains > example.com > Hosting Settings > SSL/TLS support section, because they are greyed out:
This behavior is tied to a known product issue with ID PPPM-12070, which has been fixed in Plesk version 18.0.56.
The bug has been resolved permanently in Plesk version 18.0.56, due to which the recommended way to resolve the issue is to update your Plesk version to 18.0.56 or higher by following the steps in this article: