The following message is received from Plesk 360: Your server server.example.com is unavailable from Plesk 360

Symptoms

The following message is received from Plesk 360:

Your server server.example.com is unavailable from Plesk 360
We can not reach your server server.example.com. Usually, this happens when a server is removed or turned off but was not disconnected from Plesk 360.

Cause

This is the expected behavior.
The message shows the mentioned server is unavailable from Plesk 360.

Note: Plesk 360 started sending such emails on August 14, 2023. If the server added to Plesk 360 is unavailable for 1 day, the corresponding message will be sent.
The check stops examining the server at all after 14 day.

Resolution

If the server is supposed to be available, please check the following articles for help:

• A server shows the error in Plesk 360: Connection error
• The message "Connection error" appears in Plesk 360 for a server behind Cloudflare
• Not possible to connect server to Plesk 360: The server has an invalid certificate