Normally when you create a web application in SharePoint its Url is: “ http://<Server Name>:Port” or “ https://<Server Name>:Port ”. We can also create a web application that contains a URL that is not of the above format, instead it could be “ http://mywebapp.sharepoint.com ” or “ https://mywebapp.sharepoint.com ”. In order to create, host named web application following steps is needed to be followed. 1. We need to create a host name in the DNS. The host name will be the url, the site. In my case my host name will be “mywebapp” . 2. You need to login to your Active Directory server to create new host entry in DNS. 3. Create DNS entries 4. Let’s go to the DNS server and create a new A Host with the “mywebapp.sharepoint.com” FQDN and pointing to the web front end. 5. Now open Central Admin> Manage Web applications> New. Provide the created host name in the Host Header in creating web applic