What are the difference between Windows 2000 and Windows 2003 and Windows2008 server operating systems?

new in 2008 r2: http://technet.microsoft.com/en-us/library/dd391932(v=ws.10).aspx changes from 2003 to 2008: http://technet.microsoft.com/de-de/library/cc753208(v=ws.10).aspx

Hello, First of all, Windows Server 2000 is no longer supported by Microsoft. For each new operating system, you will find new features and enhanced ones. Performance and security are also better and enhanced. So, there is many and many difference so it would be better to specify what is interesting for you (AD DS, DNS, ...) so that we can help you more. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified Technology Specialist: Designing and Providing Volume Licensing Solutions to Large Organizations Microsoft Certified IT Professional: Enterprise Administrator Microsoft Certified IT Professional: Server Administrator Microsoft Certified Trainer