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 &nbsp;Is there any site where Windows 2003 AD is explained neatly ie what AD includes (forests,domain), Differnece between AD 2003 and AD 2000. Also difference between Exchange server 2000 and exchange server 2003 . <br />
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  Is there any site where Windows 2003 AD is explained neatly ie what AD includes (forests,domain), Differnece between AD 2003 and AD 2000. Also difference between Exchange server 2000 and exchange server 2003 . 
  

More about Active directory

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).