.NET Framework Class Library: System.directoryServices Namespace
http://msdn.microsoft.com/library/en-us/cpref/html/frlrfsystemdirectoryServices.asp
HOW to Poll for changes to the Active Directory by Using Visual C # .NET
http://support.microsoft.com/default.aspx?id=326091
How to: add a user to the local system by using directory services and visual c # .NET http://support.microsoft.com/default.aspx?id=306273
How to: Access Adsi Objects in Visual C # .NET http://support.microsoft.com/default.aspx?id=315716
Using Active Directory in ASP.NET - Enumerate Active Directory Users http://www.codeproject.com/aspnet/adsi2.asp
Querying Active Directory Using .NET CLASS AND LDAP queries http://www.codeproject.com/dotnet/activedirQuery.asp
How to get the list of groups this a user is a member of http://www.codeproject.com/dotnet/usergroupmembership.asp
