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Have just added a new server to my system. Was SBS 2003 with SharePoint 2007. <br />
<br />
Now Server 2012 R2 with SP Ent 2013.<br />
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Alt Access mappings plagued me before. Have a site setup that is <a href="http://server:28333/sites" rel="ugc">http://server:28333/sites</a>&nbsp;etc. <br />
<br />
Have an external .com pointing to my server with a static IP. <br />
<br />
I went admin and tried to configure the external site to my internal through alternate mappings. Site as default and www address as internet. No go. 404 page. Any help? looked at my 2007 settings and their clues aren't really meaningful.
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Have just added a new server to my system. Was SBS 2003 with SharePoint 2007. 

Now Server 2012 R2 with SP Ent 2013.

Alt Access mappings plagued me before. Have a site setup that is http://server:28333/sites etc. 

Have an external .com pointing to my server with a static IP. 

I went admin and tried to configure the external site to my internal through alternate mappings. Site as default and www address as internet. No go. 404 page. Any help? looked at my 2007 settings and their clues aren't really meaningful.

SharePoint 2013 alternate access mappings

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

Microsoft SharePoint

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.