Windows Server 2003

Server 20032003Windows Server 2003 R2Windows 2003Windows Server 2003 SP1Microsoft Windows Server 2003Windows Compute Cluster ServerWindows Server 2003 SP22003 ServerWindows 2003 Server
Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.wikipedia
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Windows Server 2008

2008Server 2008Windows 2008
It is the successor to Windows 2000 Server and the predecessor to Windows Server 2008.
It is the successor of Windows Server 2003, released nearly five years earlier.

Windows 2000

2000Windows 2000 ServerMicrosoft Windows 2000
It is the successor to Windows 2000 Server and the predecessor to Windows Server 2008.
It is succeeded by Windows XP (released in October 2001) and Windows Server 2003 (released in April 2003).

Development of Windows Vista

LonghornWindows Longhornseveral years struggling
Windows Server 2003's kernel was later adopted in the development of Windows Vista.
"Longhorn" development started afresh, building on the Windows Server 2003 codebase, and re-incorporating only the features that would be intended for an actual operating system release.

List of Microsoft codenames

codenameMicrosoft codenamescodenamed
When first announced in 2000, it was known by its codename "Whistler Server"; it was named "Windows 2002 Server" for a brief time in mid-2001, followed by "Windows .NET Server" and "Windows .NET Server 2003".

Windows XP

XPMicrosoft Windows XPWindows XP SP2
Windows Server 2003 is the follow-up to Windows 2000 Server, incorporating compatibility and other features from Windows XP.
A copy protection system known as Windows Product Activation was introduced with Windows XP and its server counterpart, Windows Server 2003.

Active Directory

Microsoft Active DirectoryADActive Directory Application Mode
The Standard edition of SBS includes Microsoft Remote Web Workplace, Windows SharePoint Services, Microsoft Exchange Server, Fax Server, Active Directory, a basic firewall, DHCP server and network address translation capabilities.
Microsoft previewed Active Directory in 1999, released it first with Windows 2000 Server edition, and revised it to extend functionality and improve administration in Windows Server 2003.

Internet Information Services

IISMicrosoft IISInternet Information Server
It is designed to be used primarily as an IIS web server and provides a platform for developing and deploying XML Web services and applications that use ASP.NET technology. It is the only edition of Windows Server 2003 that does not require any client access license (CAL) when used as the internet facing server front-end for Internet Information Services and Windows Server Update Services.

Microsoft Windows

WindowsPCMS Windows
Windows Server 2003 was the first Microsoft Windows version which was thoroughly subjected to semi-automated testing for bugs with a software system called PREfast developed by computer scientist Amitabh Srivastava at Microsoft Research.
After Windows 2000, Microsoft also changed its release schedules for server operating systems; the server counterpart of Windows XP, Windows Server 2003, was released in April 2003.

Microsoft

Microsoft CorporationMicrosoft Corp.MS
Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.
In 2004, Microsoft commissioned research firms to do independent studies comparing the total cost of ownership (TCO) of Windows Server 2003 to Linux; the firms concluded that companies found Windows easier to administrate than Linux, thus those using Windows would administrate faster resulting in lower costs for their company (i.e. lower TCO).

Client access license

CALCALs
It is the only edition of Windows Server 2003 that does not require any client access license (CAL) when used as the internet facing server front-end for Internet Information Services and Windows Server Update Services.
Commercial server software, such as Windows Server 2003 and SQL Server 2005 require licenses that are more expensive than those which are purchased for desktop software like Windows Vista.

Operating system

operating systemsOScomputer operating system
Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.
Modern releases of Microsoft Windows such as Windows Vista implement a graphics subsystem that is mostly in user-space; however the graphics drawing routines of versions between Windows NT 4.0 and Windows Server 2003 exist mostly in kernel space.

Physical Address Extension

PAEPhysical Address ExtensionsPAE mode
It is a full-function server operating system that supports up to 8 physical processors and provides enterprise-class features such as eight-node clustering using Microsoft Cluster Server (MSCS) software and support for up to 64 GB of RAM through PAE.

ASP.NET

code-behindASPX.asp
It is designed to be used primarily as an IIS web server and provides a platform for developing and deploying XML Web services and applications that use ASP.NET technology.

Windows Home Server

Home ServerWindows Home Server Computer Backup
Windows Home Server is an operating system from Microsoft based on Windows Small Business Server 2003 SP2 (this can be seen in the directory listings of the installation DVD).
Windows Home Server was based on Windows Server 2003 R2 and was intended to be a solution for homes with multiple connected PCs to offer file sharing, automated backups, print server, and remote access.

Microsoft Cluster Server

MSCSclusteringFailover Clustering
It is a full-function server operating system that supports up to 8 physical processors and provides enterprise-class features such as eight-node clustering using Microsoft Cluster Server (MSCS) software and support for up to 64 GB of RAM through PAE.
In June 2006, Microsoft released Windows Compute Cluster Server 2003, the first high-performance computing (HPC) cluster technology offering from Microsoft.

Windows Firewall

Internet Connection Firewall
It was first included in Windows XP and Windows Server 2003.

Internet Explorer 6

6Internet Explorer 6.0IE6
It is the default browser shipped with Windows XP and Windows Server 2003, and was also made available for Windows NT 4.0, Windows 98, Windows 2000, and Windows Me.

Windows domain

Windows Server domaindomaindomains
Starting with Windows Server 2003, Active Directory is the Windows component in charge of maintaining that central database.

.NET Framework version history

.NET Framework 3.0.NET Framework 3.5.NET Framework 2.0
.NET Framework 1.0 is supported on Windows 98, ME, NT 4.0, 2000, XP, and Server 2003.

Windows Services for UNIX

Microsoft Windows Services for UNIXServices for UNIXSFU
Windows Server 2003 R2 included most of the former SFU components (on Disk 2), naming the Interix subsystem component Subsystem for UNIX-based Applications (SUA).

Microsoft Virtual Server

Virtual Server
Microsoft Virtual Server was a virtualization solution that facilitated the creation of virtual machines on the Windows XP, Windows Vista and Windows Server 2003 operating systems.

Microsoft Forefront Threat Management Gateway

Microsoft Proxy ServerISA ServerThreat Management Gateway
The Premium edition of SBS adds Microsoft SQL Server 2000 and Microsoft ISA Server 2004.
ISA Server 2000 required Windows 2000 (any edition), and will also run on Windows Server 2003.

Distributed File System (Microsoft)

Distributed File SystemDFSDFS replication
It can be used to manage storage volumes centrally, including DFS shares, on servers running Windows Storage Server R2.
Windows Server 2003 R2 introduced "DFS Replication" (DFSR) which improves on FRS by only copying those parts of files which have changed (remote differential compression), by using data compression to reduce network traffic, and by allowing administrators flexible configuration options for limiting network traffic with a customizable schedule.