- Plesk for Windows
The domain example.com is secured with an SSL certificate in Domains > example.com > Hosting Settings.
If access myLittleAdmin through Domains > example.com > Databases > example.database > myLittleAdmin, the insecure HTTP page http://mssql.example.com is opened.
This is a Plesk bug with ID PPPM-8244, which is planned to be fixed in one of the future Plesk updates.
Currently, a workaround is not available.