Tuesday, September 25, 2012

What are the differences between Windows Server 2003 and Windows Server 2008?


The main difference between 2003 and 2008 is Visualization, management. 
In Windows Server 2008, Microsoft is introducing new features and technologies, some of which were not available in Windows Server 2003 with Service Pack 1 (SP1), that will help to reduce the power consumption of server and client operating systems, minimize environmental byproducts and increase server efficiency.
Microsoft Windows Server 2008 has been designed with energy efficiency in mind, to provide customers with ready and convenient access to a number of new power saving features. It includes updated support for Advanced Configuration and Power Interface (ACPI) processor power management (PPM) features, including support for processor performance states (P-states) and processor idle sleep states on multiprocessor systems. These features simplify power management in Windows Server 2008 (WS08) and can be managed easily across servers and clients using Group Policies.

The comparison of windows 2003 and 2008
many features are updated such as security , IIS and RODC.
in security it enable outbound firewall as well as inbound, IIS 7 release and Read only Domain controllers.

Examples
1. Virtualization
2. Server Core
provides the minimum installation required to carry out a specific server role, such as for a DHCP, DNS or print server.
3. Better security
4. Role-based installation -
5. Read Only Domain Controllers (RODC)
6. Enhanced terminal services
7. Network Access Protection
Microsoft's system for ensuring that clients connecting to Server 2008 are patched, running a firewall and in compliance with corporate security policies.
8. PowerShellMicrosoft's new(ish) command line shell and scripting language has proved popular with some server administrators.
9. IIS
10. Bitlocker
System drive encryption can be a sensible security measure for servers located in remote branch offices
The main difference between 2003 and 2008 is Virtualization, management.
2008 has more in-build components and updated third party drivers.
Microsoft introduces new feature with 2k8 that is Hyper-V
Windows Server 2008 introduces Hyper-V (V for Virtualization) but only on 64bit versions. More and more companies are seeing this as a way of reducing hardware costs by running several 'virtual' servers on one physical machine. If you like this exciting technology, make sure that you buy an edition of Windows Server 2008 that includes Hyper-V, then launch the Server Manger, add Roles.
Windows Server 2008, formerly codenamed Longhorn, is no leas than 45 times faster than its predecessor, Windows Server 2003, in terms of network transfer speeds. Now whatever the perspective is on Microsoft's last 32-bit server operating system, the fact of the matter is that faster transfer speeds for of up to 45 times is quite an evolution compared to Windows Server 2003. Back in June 2007, Microsoft commissioned a study to the Tolly Group focused on the networking performances of its latest Windows client and server operating system, which ended up as the "Enhanced Network Performance with Microsoft Windows Vista and Windows Server 2008" white paper. The paper pointed to the fact that both Vista and Windows Server 2008 managed to offer "Dramatic network performance benefits".
Windows server 2008 has been more updated than windows server 2003.


11. Windows Aero