Active Directory Domain Name in Windows EBS

Applies To: Windows Essential Business Server

If you are creating a new Active Directory forest for Windows EBS, you need to supply a new domain name. Information about conventions for Active Directory domain names is provided in article 909264 in the Microsoft Knowledge Base (

After you name an Active Directory domain, it can be difficult to change the name later. Consider this when planning your domain name. For example, if your company is merging with another company, it may be inadvisable to use a domain name that will change after the merger.


You can use the same top-level domain (for example, .com) for your Active Directory domain that you use for an external URL. For example, if you have the Web site "," you can use that domain name in your Active Directory domain name. If you intend to publish Windows SharePoint Services sites externally, this can facilitate access to them. However, as a best practice, you should name the Active Directory domain as a subdomain of the external domain (for example,, or use a different domain suffix or name. For more information, see the Microsoft Web site (


If you do not name your Active Directory domain as a subdomain of your external domain, it is recommended that you use the suffix .internal, rather than the frequently used .local suffix.