Reconfigure vhost in Plesk server
Sometimes you might have the issue whereby the website going haywire and not viewable. We can solve the issue
by reconfiguring again vhost for the domain by using the steps below:
Open command prompt and hit:
cd %plesk_bin%
After that:
websrvmng.exe –reconfigure-vhost –vhost-name=domain.com
You need to wait for a while for it to finish.