DFS-N: All IP addresses for the server should map to the same AD DS site

Published: April 27, 2010

Updated: April 27, 2010

Applies To: Windows Server 2008 R2, Windows Server 2012

This topic is intended to address a specific issue identified by a Best Practices Analyzer scan. You should apply the information in this topic only to computers that have had the File Services Best Practices Analyzer run against them and are experiencing the issue addressed by this topic. For more information about best practices and scans, seeBest Practices Analyzer.

Operating System

Windows Server 2008 R2


File Services






Not all network adapters are configured with the same Active Directory Domain Services (AD DS) site.


DFS Namespaces site awareness will behave incorrectly, with the namespace server potentially providing referrals to client computers at a site that is not local to the server.


Configure all network adapters to use IP addresses from subnets that belong to the same AD DS site.

Additional resolution information is currently under development and will be published when it is available.