Alternate access URLs have not been configured (SharePoint 2016)

Applies to: SharePoint Server 2013, SharePoint Foundation 2016

Summary: Learn how to resolve the SharePoint Health Analyzer rule "Alternate access URLs have not been configured."

Rule Name: Alternate access URLs have not been configured.

Summary: A default zone URL must not point to the computer name of a Web front-end server. Because this installation has more than one Web front-end server, an incorrectly configured default zone URL can result in a variety of errors, including incorrect links and failed operations.

Cause: A default zone URL is pointing to the computer name of a Web front-end server.

Resolution: Change the default zone URL to a URL that differs from the computer name of any Web front-end server.

1. Verify that the user account that is performing this procedure is a member of the Farm Administrators group.
2. On the Central Administration home page, in the System Settings section, click Configure alternate access mappings.
3. On the Alternate Access Mappings page, on the Alternate Access Mapping Collection menu, click Change Alternate Access Mapping Collection.
4. In the Select An Alternate Access Mapping Collection dialog box, click the alternate access mapping collection for which you want to change the default zone URL.
5. On the Alternate Access Mappings page, click Edit Public URLs.
6. On the Edit Public Zone URLs page, in the Default text box, type a new default zone URL that differs from the computer name of any Web front-end server, and then click Save.