SharePoint 2010 - How to Configure an Alternate Access Mapping

This is quick reference for how to give alternate access mapping to SharePoint site through central administration.

• Alternate Access Mappings (AAM) is a feature of SharePoint that allows you to access your SharePoint site with another URL.
• AAM will help you Without exposing the server name or port numbers. and it is common request in SharePoint administration is to add another URL to an existing site.

There are 3steps we need to do:

1. Create a binging for the SharePoint site in IIS
2. Create AAM in SharePoint Central Administration
3. Add your domain in DNS entries and point the IP address to the SharePoint Server.

1. Create a binding for the SharePoint site in IIS:

    Edit the site bindings

            Start IIS manager -->Right-click the site and "edit bindings" or go for Actions in right panel then click on Bindings. --> Give your URL in In 'Host'.

2. Create AAM in SharePoint Central Administration

We had finished for IIS manager. Now we need to give the access from SharePoint too. Ensure that you should be a member of the Farm Administrators SharePoint group, to operate the Central Administration site. 

• From Central Admin -->Application Management-->click on Configure alternate access mappings under Web Applications.
• Edit the alternate access mapping
• Choose the correct "alternate access mapping collection" at the top right Choose "Edit Public URLs" Add the new URL for the zone which you want. (ex: Internet)

3. Add your domain in DNS entries and point the IP address to the SharePoint Server

    Now you’ll have to switch over to your DNS server.

1. Within the DNS Management Console : Add a new Primary Zone with your new domain name.       
2. Add a new Host to the records and point the IP Address to the SharePoint server.

Now you can have Alternate URLs pointing to your SharePoint Site Collection or whatever you’d like.