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APPLIES TO: 2013 2016 2019 SharePoint Online You can extend a web application that uses claims-based authentication by using Central Administration. When you extend a web application, you expose the same content to different sets of users by using an additional IIS web site to host the same content.
How to extend a web application to another IIs site?
On the Extend Web Application to Another IIS Web Site page, in the IIS Web Site section, configure the settings for your extended web application by selecting one of the following two options: Click Use an existing IIS web site, and then select the web site on which to extend your existing web application.
How to create a web application in SharePoint?
In the Public URL section, type the URL for the domain name for all sites that users will access in this web application. This URL will be the base URL for links on pages within the web application. The default URL is the current server name and port. In the Public URL section, select the zone to use for the web application in the drop-down menu.
Start SharePoint 2016 Central Administration. On the Central Administration Home page, in the Application Management section, click Manage web applications. Select the web application you want to extend and, in the Contribute group of the ribbon, click Extend.
When do I need a claims mapping policy?
If an application needs to send claims with data from an extension attribute registered on a different application, a claims mapping policy must be used to map the extension attribute to the claim.
Can a web application use claims based authentication?
You can extend a web application that uses claims-based authentication by using Central Administration. When you extend a web application, you expose the same content to different sets of users by using an additional IIS web site to host the same content.