Unable to open a Plesk website: This site can’t be reached The connection was reset

Symptoms

• A website or a website preview does not work. One of the following error messages is shown in the browser:

  Connection time out

  This site can’t be reached The connection was reset.

• The following warning is shown for IP address assigned for the website in Tools & Settings > IP Addresses :

  PLESK_INFO: This IP address is not configured properly. Repair.

Cause

IP address misconfiguration.

Resolution

1. Log in to Plesk GUI

2. Go to Tools & Settings > IP Addresses and click Repair link in warning:

   Note: If there is no Repair button click on broken IP 203.0.113.2 > and then  OK.