Webdav not working, keep getting the error: script '/var/www/html/remote.php' not found or unable to stat

Server
2

Have you tried this?

https://doc.owncloud.com/server/10.0/admin_manual/installation/source_installation.html#configure-the-apache-web-server

or open the /etc/apache2/sites-enabled/000-default.conf

and check the DocumentRoot