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Manage alternate access mappings
- On the SharePoint Central Administration website, click System Settings.
- On the System Settings page, in the Farm Management section, click Configure alternate access mappings.
Alternate access mappings enable a web application that receives a request for an internal URL in one of the five zones to return pages that contain links to the public URL for the zone. You can associate a web application by using a collection of mappings between internal and public URLs.
Is Alternate Access Mapping?
Alternate Access mapping is a Service, which helps SharePoint, that receives a request to the Web Application with an internal URL to one of the five zones to return the pages, which contain links to the public URL. Many internal URLs can be associated with a single public URL.
Can a public url be an alternate access mapping?
The URL you use to access the web application from the Internet has to also have an Alternate Access Mapping and a IIS binding. The AAM entry has to be a Public URL and can easiest be added to the current Web Apllication ‘collection’ in Alternate Access Mapping as the Internet zone Public URL.
How many alternate access mappings can I use?
Alternate access mappings allow you to expose a web application in as many as five different zones, with a different IIS website backing each zone. Some people mistakenly refer to this as having up to five different web applications sharing the same content databases. In reality, there is just one web application.
Alternate access mappings enable SharePoint 2013 to map web requests to the correct web applications and sites, and they enable SharePoint 2013 to serve the correct content back to the user. Each web application can be associated with a collection of mappings between internal and public URLs.
Can a host named site collection use alternate access mappings?
Host-named site collections can’t use alternate access mappings. Host-named site collections are automatically considered in the Default zone, and the URL of the request must not be changed between the user and the server. Multiple internal URLs can be associated with a single public URL.