To create a SiteCollection with a host header irrespective of the WebApplication host header
To create a SiteCollection with a host header irrespective of the WebApplication host header (even if the WebApplication did not have a host header) Solution: In PowerShell: New-SPSite http://host.header.site.url -OwnerAlias DOMAIN\username -HostHeaderWebApplication http://servername Need to add a A record in the DNS. **If you want to make this work in your dev machine then add a entry in the Hosts file of your SharePoint server. C:\Windows\System32\drivers\etc\hosts.txt for example: 127.0.0.1 intranet.triadinfotech.com Hope this will be helpful in your current and future SharePoint Implementations.