Steps to Create a Host-Named Web Application
1. Create a Host Name in the DNS
First, you need to create a hostname in the DNS. The hostname will serve as the URL of your site. For this example, the hostname will be "mywebapp.sharepoint.com."
2. Login to Active Directory Server
To create a new host entry in DNS, log in to your Active Directory server.
3. Create DNS Entries
![DNS]()
Proceed to the DNS server and create a new A Host record with the Fully Qualified Domain Name (FQDN) "mywebapp.sharepoint.com," pointing to the web front-end server.
![DNS server]()
4. Configure SharePoint Central Administration
- Open Central Administration.
- Navigate to Manage Web Applications and select New.
- In the form for creating a new web application, provide the created hostname in the Host Header field. In this case, it will be "mywebapp.sharepoint.com."
![Central Administration]()
5. Add IIS Bindings for SharePoint 2013
If you are using SharePoint 2013, you need to add bindings in IIS for the host-named web application. (Note: This step is not required for SharePoint 2010.)
- Open IIS on the SharePoint 2013 server.
- Select your site from the list.
- Click on Edit Bindings.
- Select your site binding and click on Edit. Add your hostname as shown in the figure below.
![SharePoint]()
6. Finalize the Setup
After setting up the DNS and IIS configurations, reset IIS to apply the changes. Your host-named web application should now be accessible at the custom URL.
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