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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.
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.
What is Alternate Access Mapping in SharePoint?
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.
From the “Alternate Access Mappings” page, Just click on the redirect URL you had created, and in the Edit Internal URLs page, hit “Delete” button to remove redirection placed for the web application. Beware of the browser caching: You may not get the changes immediately even you made some modification as above.
In the Edit internal URL section, change the URL in the URL protocol, host and port box. In the Zone list, click the zone for the internal URL. Do one of the following: Click Save to save your changes. Click Cancel to discard your changes and return to the Alternate Access Mappings page. Click Delete to delete the internal URL.
How to redirect HTTP to HTTPS in SharePoint?
This configuration will redirect your users from HTTP to HTTPS even if they call a subsite of SharePoint. This can be done via a simple IIS redirect with a dummy web site. Keep only the https AAM and bindings at Central Admin and IIS to have the site with https url – this should be in a non default zone.
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.