- Plesk for Windows
Website preview shows the following error:
CONFIG_TEXT: Umbraco cannot start. A connection string is configured but Umbraco cannot connect to the database.
Default site is set for the IP address of the website at Plesk > Tools & Settings > IP Addresses > 203.0.113.2
The default website uses Umbraco CMS and it is not able to handle requests to the website preview.
Check which IP address is assigned to the website in Plesk > Domains > example.com > IP address field:
Set the default site as None at Plesk > Tools & Settings > IP Addresses > 203.0.113.2: