Thanks that was revealing it turns out
Use name-based virtual hosting.
/etc/httpd/conf/extra/httpd-vhosts.conf were uncommented in
/etc/httpd/conf/extra/httpd-vhosts.conf file
But now I'm getting 403 error on both primary and decondary site
below is how I formatted the directives
<VirtualHost *>example1.com>
ServerName example1.com
ServerAlias www.example1.com
DocumentRoot "C:/Program Files (x86)/VertrigoServ/www
DirectoryIndex index.html index.php
</VirtualHost>
<VirtualHost *>example2.com>
ServerName example2.com
ServerAlias www.example2.com
DocumentRoot "C:/Program Files (x86)/VertrigoServ/www/example2.com"
DirectoryIndex index.html index.php
</VirtualHost>
[edited by: phranque at 12:26 am (utc) on Nov 9, 2013]
[edit reason] no specifics please [/edit]