Alternate Access Mappings

1. Open SharePoint Central Administration
2. Click “Operations”
3. Click “Alternate Access Mappings”
4. Choose the correct Alternate Access Mappings Collection (This Changes your Web App)
5. Click “Edit Public URLs”
6. The “Default” URL should be your fully qualified URL (ex: http://mysite.com)
7. The “Intranet” URL should be your short/friendly URL (ex: http://mysite)
8. The “Internet” URL should be the IP address associated with your portal. (ex: http://10.34.112.43)
9. If you have more than 1 front end in the farm, you can add the IPs to the “Custom” or “Extranet” fields
10. Now ensure that your DNS Entries and your Host Headers are set up correctly.