Researching on this great feature in .NET 3.5, I found a lot of useful information for anyone who intend to take a deep dive in this area. Particular for me, after Microsoft flavors on LINQ (LINQ to SQL, LINQ to XML and LINQ to Entities) I found other providers which can have a great usability in everyday work.
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LINQ to Active Directory implements a custom LINQ query provider that allows querying objects in Active Directory. Internally, queries are translated into LDAP filters which are sent to the server using the System.DirectoryServices .NET Framework library...