Cannot determine the name of the Active Directory site

[This topic is intended to address a specific issue called out by the Exchange Server Analyzer Tool. You should apply it only to systems that have had the Exchange Server Analyzer Tool run against them and are experiencing that specific issue. The Exchange Server Analyzer Tool, available as a free download, remotely collects configuration data from each server in the topology and automatically analyzes the data. The resulting report details important configuration issues, potential problems, and nondefault product settings. By following these recommendations, you can achieve better performance, scalability, reliability, and uptime. For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at]  

Topic Last Modified: 2006-06-06

Microsoft® Exchange Server 2007 setup cannot continue because this server does not appear to belong to a valid Active Directory® directory service site.

Microsoft Exchange setup requires that the server that is used for installation of Exchange 2007 belong to a valid Active Directory site.

To resolve this issue, verify that the local server is a member of a valid Active Directory site and rerun Exchange Server 2007 setup.

You can use the /DsGetSite option of the Nltest.exe command line tool to verify and display site membership. For more information, see "Nltest.exe: NLTest Overview" in the "Tools and Settings Collection" of Windows Server 2003 Technical Reference (

For more information about Active Directory troubleshooting, see “Troubleshooting Active Directory Operations” in Windows Server 2003: Operations (