http://mswindowscr.org/blogs/sql/archive/2010/03/10/query-active-directory-from-sql-server.aspxIf you need to access some Active Directory information from SQL Server you can use the openquery command with the ADSI provider, below is an example for doing that select * from openquery(adsi, ' select displayName from ''LDAP://dc=comunidadwindowsenCommunityServer 2007.1 (Build: 20917.1142)