Extend A SharePoint 2016 Web Application

In this article, I will explain How to

Extend a Web Application in SharePoint 2016

In some scenarios, you may need to share the same content with different types of users [Internal / External] through different URLs or different authentication types.

In this case, you will need to extend your SharePoint web application.

Extend a Web Application Important Notes

Before we getting started, you should first be aware of the following.

  • When the web application is extended, a different Web Application and IIS are created.
  • The main Web Application and the extended one will share the same Content Database.
  • You can extend the web application to change the port number. Meanwhile, you can extend the web application to port 80 in case you use Host Header.
  • Extending web application is used for extranet deployments in which different users access to the same content through different domains and different authentication type.

Below, I will show the simple steps to extend a SharePoint Web Application.

Extend a Web Application Steps

  • Open Central Administration > Application Management > Manage web applications.
  • Select the source web application and from the above ribbon click on Extend button.
Extend SharePoint 2016 Web Application
  • The Extend Web Application dialog will be shown.
  • Fill the required information based on your requirements like the port number, change the authentication type …etc.
Extend SharePoint 2016 Web Application to Another IIS Web Site

Applies to
  • SharePoint 2016.
  • SharePoint 2013.
  • SharePoint 2010


In this article, I have explained How can you extend a web application in SharePoint 2016?

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s