Create new domain names (gradual upgrade only) (Windows SharePoint Services)
Updated: March 5, 2009
Applies To: Windows SharePoint Services 3.0
If you are performing a gradual upgrade, you must have two separate domain names for your existing sites and your upgraded sites. The new, upgraded sites take over your existing domain names so that users can continue with their work on the upgraded sites without having to update their Favorites or bookmarks. The existing sites move to temporary domain names, where you can access them as needed.
For example, if you have sites at http://company_intranet or http://portal_name, create a temporary domain name such as http://company_intranet_v2 or http://portal_name_v2 to host the previous version's sites, leaving the original URL for the new version. By default, the new and the temporary domain names point to the same IP address. However, if you use IP addresses instead of domain names to access content, the IP addresses for the existing and upgraded sites must be different.
You can also use a port number instead of a full domain name as the temporary URL. Ensure that the port is available. For more information about specifying the domain name or port number during upgrade, see Upgrade sites (Windows SharePoint Services), Plan security hardening for server roles within a server farm (Windows SharePoint Services), and Plan security hardening for extranet environments (Windows SharePoint Services).
For more information about how URLs change during a gradual upgrade, see How the upgrade process works (Windows SharePoint Services).
You must create the new domain names before you install the new version and upgrade any sites. For more information, see Creating DNS Domain Names and Computer Names (http://go.microsoft.com/fwlink/?LinkId=128856&clcid=0x409) in the Windows Server 2003 documentation on TechNet.
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