To create www prefix for subdomains you need to take the following steps: 1) Create vhost.conf file in the /home/httpd/vhosts/domain.com/subdomains/subdomain/conf directory with the following content: ServerAlias www.subdomain.domain.com 2) Add appropriate A record to the DNS zone of the domain in Server->Domains->domain.com->DNS (specify this domain’s IP address instead of 192.168.1.1): www.subdomain.domain.com. A 192.168.1.1 3) Run wersrvmng ...