Comparison of Windows Server 2003 Editions

8/6/2019 Comparison of Windows Server 2003 Editions

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Comparison of Windows Server 2003 Editions

Updated: March 28, 2003

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server2003 with SP2

The following table describes features supported by the Microsoft Windows Server 2003 operating system, and

illustrates which editions of the operating system support which features.

= Feature included

= Feature partially supported

= Feature not included

Category Feature and Description StandardEdition

EnterpriseEdition

DatacenterEdition

WebEdition

Hardware

Specifications

64-bit Support for Intel Itanium-

based Computers(1)

Support for 64-bit processing deliversfar higher scalability than 32-bit file

servers by providing a greatly enlargedvirtual address space and paged pool

area, the ability to handle increasednumbers of users and connections, and

increased hardware reliability throughpredictive error checking and

notification of failures.

HardwareSpecifications

Hot Add Memory(2, 3)Hot Add Memory allows ranges of

memory to be added to a computer andmade available to the operating system

and applications as part of the normalmemory pool. This does not require

rebooting the computer and involves no

downtime. This feature only operateson servers that have hardware supportfor adding memory while the server is

operating. Most existing servers do nothave such hardware support and can be

damaged if memory is installed while

the power is on. It is recommended thatyou consult your server operator's

manual for more information.


Non-Uniform Memory Access(3)As processor clock rates continue to

increase and put pressure on processorbus architectures, scaling is addressed

by implementing multiple processorbuses. This can result in an architecture

consisting of processors and memoryarranged in smaller subsystems called

nodes. Processor access time tomemory in other nodes is longer than

access time to memory in the samenode. This results in Non-Uniform

Memory Access (NUMA) across thesystem. The longer access times to

other nodes can degrade softwareperformance. The operating system


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attempts to limit degradation by

scheduling threads from the sameprocess on processors that are in the

same node, and allocating all memoryrequests within the same node as the

processor making the request. Inaddition, an API is included to make

NUMA architecture information availableto application software. These features

ensure that memory accesses are localto a node wherever possible, and limit

software degradation caused by theNUMA architecture.

Hardware

Specifications

Datacenter Program

The Datacenter Program providescustomers with an integrated hardware,

software, and service offering, deliveredby Microsoft and qualified server

vendors such as original equipmentmanufacturers (OEMs).

Hardware

Specifications

2-GB RAM Maximum

RAM facilitates improved systemscalability and performance. The moreRAM added to a server beyond

minimum requirements, the morememory available for applications to

use. Designed for building and hostingWeb applications, Web pages, and XML

Web services, Windows Server 2003,Web Edition supports new systems with

up to 2 GB of RAM.

Hardware

Specifications

4-GB RAM Maximum

RAM facilitates improved systemscalability and performance. The more

RAM added to a server beyond

minimum requirements, the morememory available for applications touse. Designed for small organizations

and departmental use, Windows Server2003, Standard Edition supports new

systems with up to 4 GB of RAM.


32-GB RAM MaximumRAM facilitates improved system

scalability and performance. The moreRAM added to a server beyond

minimum requirements, the more

memory available for applications touse. Designed for demanding enterprise

applications, Windows Server 2003,Enterprise Edition supports new

systems with up to 32 GB of RAM.


64-GB RAM Maximum(4)RAM facilitates improved system

scalability and performance. The moreRAM added to a server beyond

minimum requirements, the morememory available for applications to

use. Designed for mission-criticalapplications, the 32-bit version of

Windows Server 2003, Datacenter


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Edition supports up to 64 GB of RAM on

x86-based computers. The 64-bitversion of Windows Server 2003,

Enterprise Edition supports systemswith up to 64 GB of RAM.

Hardware

Specifications

512-GB RAM Maximum(5)

RAM facilitates improved systemscalability and performance. The more

RAM added to a server beyondminimum requirements, the more

memory available for applications touse. The 64-bit version of Windows

Server 2003, Datacenter Editionsupports systems with up to 512 GB of

RAM.

Hardware

Specifications

2-Way Symmetric Multiprocessing

The Windows Server 2003 familysupports single or multiple CPUs that

conform to the symmetricmultiprocessing (SMP) standard. Using

SMP, the operating system can run

threads on any available processor,which makes it possible for applicationsto use multiple processors when

additional processing power is requiredto increase the capability of a system.

New features include SMP lockingperformance, improved registry

performance, and increased TerminalServer sessions. Designed for building

and hosting Web applications, Webpages, and XML Web services, Windows

Server 2003, Web Edition supports newsystems with up to two-way SMP.

Hardware

Specifications


The Windows Server 2003 familysupports single or multiple CPUs thatconform to the symmetric

multiprocessing (SMP) standard. UsingSMP, the operating system can run

threads on any available processor,which makes it possible for applications

to use multiple processors whenadditional processing power is required

to increase the capability of a system.New features include SMP locking

performance, improved registryperformance, and increased Terminal

Server sessions. Designed for smallorganizations and departmental use,

Windows Server 2003, Standard Edition

supports new systems with up to four-way SMP.

Hardware

Specifications




SMP, the operating system can runthreads on any available processor,

which makes it possible for applications


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to use multiple processors when

additional processing power is requiredto increase the capability of a system.

New features include SMP lockingperformance, improved registry

performance, and increased TerminalServer sessions. Designed for

demanding enterprise applications,Windows Server 2003, Enterprise

Edition supports new systems with upto eight-way SMP. This includes the 64-

bit edition of Windows Server 2003,Enterprise Edition.

Hardware

Specifications




SMP, the operating system can runthreads on any available processor,

which makes it possible for applicationsto use multiple processors when

additional processing power is requiredto increase the capability of a system.New features include SMP locking

performance, improved registryperformance, and increased Terminal

Server sessions. Designed for mission-critical applications, Windows Server

2003, Datacenter Edition supports newsystems with 8-way to 32-way SMP.

This includes the 64-bit edition ofWindows Server 2003, Datacenter

Edition.


64-Way Symmetric MultiprocessingThe Windows Server 2003 family

supports single or multiple CPUs thatconform to the symmetric

multiprocessing (SMP) standard. UsingSMP, the operating system can run

threads on any available processor,which makes it possible for applications

to use multiple processors whenadditional processing power is required

to increase the capability of a system.New features include SMP locking

performance, improved registry

performance, and increased TerminalServer sessions. Designed for mission-

critical applications, Windows Server2003, Datacenter Edition supports new

systems with up to 64-way SMP. The

support for over 32 processors is onlyavailable with the 64-bit edition ofWindows Server 2003, Datacenter

Edition.Microsoft also offers a 128-way SKU for

Windows Server 2003, DatacenterEdition so Windows can run on a 128-

processor computer. However, thelargest partition supported would be 64

processors.


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Directory

Services

Active Directory Directory Service

Active Directory is the directory servicefor Windows Server 2003, Standard

Edition; Windows Server 2003,Enterprise Edition; and Windows Server

2003, Datacenter Edition. It storesinformation about objects on the

network and makes this informationeasy for administrators and users to

find and use. Active Directory uses astructured data store as the basis for a

logical, hierarchical organization ofdirectory information.

Directory

Services

Microsoft Identity Integration

Server SupportMicrosoft Identity Integration Server

(MIIS) is a centralized service thatstores and integrates identity

information from multiple directories inan organization. The goal of this

metadirectory is to provide anorganization with a unified view of all

known identity information about users,applications, and network resources. Ametadirectory solves important

business issues that result from havinginformation stored in multiple, disparate

data repositories throughout anorganization. MIIS is available via

Microsoft Consulting Services (MCS) orvia an MIIS partner engagement.

Security Services Internet Connection Firewall

Internet Connection Firewall (ICF)provides Internet security in the form of

a firewall. Designed for use in the homeand small business, ICF provides

protection on computers directlyconnected to the Internet. This feature

is available for LAN or dial-up networks,virtual private networks (VPNs), and

Point-to-Point Protocol over Ethernet(PPPoE) connections. It also prevents

scanning of ports and resources (suchas file and printer shares) from external

sources.

Security Services Public Key Infrastructure,

Certificate Services, and SmartCards

By using Certificate Services andcertificate management tools, you can

deploy your own public key

infrastructure (PKI). With a PKI, youcan implement standards-basedtechnologies, such as smart card logon

capabilities, client authenticationthrough Secure Sockets Layer (SSL)

and Transport Layer Security (TLS),secure e-mail, digital signatures, and

secure connectivity using InternetProtocol security (IPSec). By using

Certificate Services, you can set up andmanage certification authorities (CAs)


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that issue and revoke X.509 v3

certificates. This means that you do nothave to depend on commercial client

authentication services, although youcan integrate commercial client

authentication into your PKI if youchoose.

Terminal Services Remote Desktop for Administration

With Remote Desktop for Administration(formerly known as Terminal Services in

Remote Administration mode), you canadminister a computer from virtually

any computer on your network. Basedon Terminal Services technology,

Remote Desktop for Administration isspecifically designed for server

management.

Terminal Services Terminal Server

Terminal Server lets you deliverWindows-based applications or the

Windows desktop itself to virtually

any computing device, including thosethat cannot run Windows. For example,a user can access a virtual Windows XP

Professional desktop and x86-basedWindows applications from hardware

that cannot run the software locally.Terminal Server provides this capability

for both Windows-based and nonWindows-based client devices. When a

user runs an application on TerminalServer, all of the application execution

takes place on the server, and onlykeyboard, mouse, and display

information traverses the network.Note

y Terminal Server mode is notincluded on computers running

Microsoft Windows Server 2003,

Web Edition; however, Remote

Desktop for Administration is

available on Windows Server

2003, Web Edition.

Terminal Services Terminal Server Session Directory

Terminal Server Session Directory

allows users to easily reconnect to adisconnected session in a load-balancedTerminal Server farm. Session Directory

is compatible with the Windows Server2003 Network Load Balancing service,

and is supported by third-party externalload-balancer products from

manufacturers such as F5 Networks(formerly F5 Labs) and Radware.

Note


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y The Session Directory Serviceruns on all editions of Windows

Server 2003; however, to

participate in a Session Directory,

the server must be running

Windows Server 2003, Enterprise

Edition or Windows Server 2003,

Datacenter Edition (including the

64- bit editions of the Windows

Server 2003 family).

ClusteringTechnologies

Network Load BalancingPreviously known as Windows NT Load

Balancing Service (WLBS), NetworkLoad Balancing distributes incoming

TCP/IP traffic among multiple servers.

Your clustered applications, especiallyWeb server applications, can handlemore traffic, provide higher availability,

and provide faster response times.

ClusteringTechnologies

Cluster ServiceA cluster is a group of independent

computers, called nodes, that work

together to run a common set ofapplications and provide high

availability. If one node on the clusterfails, the application can be failed over

to the next node. Server clusters of upto eight nodes are available only in

Windows Server 2003, EnterpriseEdition and Windows Server 2003,

Datacenter Edition.

Communicationsand Networking

Services

Virtual Private Network SupportYou can give users ready access to your

organization's network even when theyare out of the office and reduce the

cost of this access by implementing avirtual private network (VPN). The VPN

connection creates a secure tunnelacross the Internet into the private

network. There are two types ofVPNtechnologies in the Windows Server

2003 family: Point-to-Point TunnelingProtocol (PPTP), which employs user-

level Point-to-Point Protocol (PPP)

authentication methods and MicrosoftPoint-to-Point Encryption (MPEE) for

data encryption; and Layer TwoTunneling Protocol (L2TP) with Internet

Protocol security (IPSec). L2TP employsuser-level PPP authentication methods

and computer-level certificates withIPSec for data encryption. On Windows

Server 2003, Web Edition and WindowsServer 2003, Standard Edition, you can

create up to 100 PPTP ports and up to


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100 L2TP ports. However, Windows

Server 2003, Web Edition, can acceptonly one VPN connection at a time.

Windows Server 2003, StandardEdition, can accept up to 1,000

concurrent VPN connections via theports. If 1,000 VPN clients are

connected, further connection attemptsare denied until the number of

connections falls below 1,000. WindowsServer 2003, Enterprise Edition and

Windows Server 2003, DatacenterEdition support unlimited concurrent

users.

Communicationsand Networking

Services

Internet Authentication ServiceInternet Authentication Service (IAS) is

the Microsoft implementation of aRemote Authentication Dial-in User

Service (RADIUS) server and proxy. Asa RADIUS server, IAS performs

centralized connection authentication,authorization, and accounting for many

types of network access includingwireless, authenticating switch, andremote access dial-up and virtual

private network (VPN) connections. As aRADIUS proxy, IAS forwards

authentication and accountingmessages to other RADIUS servers. You

can configure IAS in Windows Server2003, Standard Edition, with a

maximum of50 RADIUS clients and amaximum of 2 remote RADIUS server

groups. With IAS in Windows Server2003, Enterprise Edition, and Windows

Server 2003, Datacenter Edition, youcan configure an unlimited number of

RADIUS clients and remote RADIUSserver groups. In addition, you can

configure RADIUS clients by specifyingan IP address range.

Communications

and NetworkingServices

Network Bridge

Network Bridge provides an easy wayfor you to connect different LAN

segments, allowing users to bridgeconnections between different

computers and devices on their

network, even when they connect to thenetwork through different methods.

Network bridge is supported in WindowsServer 2003, Standard Edition and

Windows Server 2003, Enterprise

Edition.

Communications


Internet Connection Sharing

By using the Internet ConnectionSharing (ICS) feature of Network

Connections, you can connect yourhome network or small office network

to the Internet. For example, you mighthave a home network that connects to

the Internet through a dial-upconnection. By enabling ICS on the


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computer that uses the dial-up

connection, you can provide networkaddress translation (NAT), addressing,

and name resolution services for all thecomputers on your network.

Communications


IPv6

Internet Protocol version 6 (IPv6) is asuite of Internet standard protocols that

will become the next generation ofnetwork layer protocols for the Internet.

IPv6 is designed to solve many of theproblems of the current version of IP

(known as IPv4) with regard to addressdepletion, security, autoconfiguration,

extensibility, and more.

File and Print

Services

Distributed File System

Distributed File System (DFS) isenhanced for Windows Server 2003,

Enterprise Edition and Windows Server2003, Datacenter Edition by allowing

multiple DFS roots on a single server.

You can use this feature to hostmultiple DFS roots on a single server,reducing administrative and hardware

costs of managing multiple namespacesand multiple replicated namespaces.

Using Active Directory, DFS shares canbe published as volume objects and

administration can be delegated.Windows Server 2003, Standard Edition

supports only one DFS root. DFS ispartially supported in Windows Server

2003, Web Edition, where it is possibleto access DFS files and act as a node in

DFS tree, but only 10 concurrentincoming server message block (SMB)

connections are permitted.

File and Print

Services

Encrypting File System

Encrypting File System (EFS)complements other access controls and

provides an additional level ofprotection for your data. EFS runs as an

integrated system service on all disks(including clustered disks), making it

easy to manage, difficult to attack, andtransparent to the user.

File and PrintServices

Shadow Copies for Shared FoldersShadow Copy Restore (Previous

Versions) provides point-in-time copiesfor network folders. Users can easily

access previous versions of their filesthrough Windows Explorer by right-

clicking a file or folder.


Removable StorageRemovable Storage makes it easy to

track your removable storage media(tapes and optical discs) and to manage

the hardware libraries (such aschangers and jukeboxes) that contain

them. Because removable optical discs


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and tapes are less expensive per

megabyte than hard disks, RemovableStorage and Remote Storage can

decrease your costs.


Remote StorageRemote Storage uses criteria that you

specify to automatically copy little-usedfiles to removable media. If hard disk

space drops below specified levels,Remote Storage removes the cached

file content from the disk. If the file isneeded later, the content is

automatically recalled from storage.Remote Storage now supports

migration to magneto-optical media.Remote Storage is not available in

Windows Server 2003, Standard Editionor Windows Server 2003, Web Edition.


Fax ServiceFax Service lets users send and receive

faxes by using a modem or a fax board.

You can also send faxes by using yournetwork. You can print to fax from anyapplication, send a cover page, and

track and monitor fax activity. Newwizards simplify configuration and fax

sending. Also, developers can writeapplications using the new fax APIs to

automatically send faxes from theirapplications.


Services for MacintoshServices for Macintosh provides

Macintosh users with access to filesstored on a computer running Windows

Server 2003. The file server is

accessible over TCP/IP networks andover AppleTalk networks. Print servicesallow Macintosh clients to print to

Windows NT or Windows 2000basedprint shares via the AppleTalk protocol.

In addition to the print server, there isa 300 dpi PostScript RIP engine that

allows Macintosh-generated PostScriptprint jobs to be sent to non-PostScript

printers, such as inkjet printers.

Management

Services

IntelliMirror Management

TechnologiesTo help reduce costs, administrators

need high levels of control over portableand desktop systems. IntelliMirror

management technologies provide thiscontrol on client systems running

Windows 2000 Professional or WindowsXP Professional. You can use

IntelliMirror to define policies based onbusiness roles, group memberships,

and locations. With these policies,Windows 2000 Professional desktops

and Windows XP Professional desktopsare automatically reconfigured to meet

a specific user's requirements each time


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that user logs on to the network,

regardless of where the user logs on.

ManagementServices

Group Policy ResultsGroup Policy Results allows

administrators to see the effect a GroupPolicy setting has on a targeted user or

computer. Included in the Group PolicyManagement Console, Group Policy

Results provides administrators with apowerful and flexible base-level tool to

plan, monitor, and troubleshoot GroupPolicy.

Group Policy Results uses WindowsManagement Instrumentation (WMI),

making the information available toadministrators via the console and

directly to other managementapplications via WMI.

ManagementServices

Windows ManagementInstrumentation Command Line

Windows Management Instrumentation

(WMI) provides unified access to themanagement functions of local andremote systems. By adding command-

line access to WMI, administrators candirectly access these management

functions and create queries based onthis data. You can monitor local and

remote Windows Server 2003 andWindows XP systems directly, to view

results through the command line or toretrieve the management data in XML

format and processed into built-in orcustom XSL output formats. WMI

follows the specifications of theindustry-standard Common Information

Model (CIM) defined by the DistributedManagement Task Force (DMTF).

ManagementServices

Remote OS InstallationRemote OS Installation uses Group

Policy, Remote Installation Services,and Pre-Boot eXecution Environment

(PXE) server hardware to re-image aserver with a clean install of a Windows

Server 2003based environment. Thisfeature can also be used to re-image

Windows 2000 and Windows XPdesktops.

Administrators can use Remote OSInstallation and IntelliMirror together to

simplify the task of exchanging or

bringing new computers into thenetwork environment:

y Remote OS Installation canestablish a full initial working set

image directly to the computer

hardware.


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language runtime and a unified set of

class libraries that include WindowsForms, ADO.NET, ASP.NET, and other

capabilities. The .NET Frameworkprovides a fully managed, protected,

and feature-rich application executionenvironment, simplified development

and deployment, and seamlessintegration with a wide variety of

programming languages.

.NET ApplicationServices

Internet Information Services 6.0Internet Information Services (IIS) 6.0

is a full-featured Web server thatprovides the foundation for the

Windows Server 2003 family andexisting Web-based applications and

XML Web services. IIS 6.0 offersdedicated application mode, which runs

all application code in an isolatedenvironment. IIS 6.0 also supports Web

gardens, in which a set of equivalentprocesses on a computer each receive a

share of the requests normally servedby a single process, achieving bettermultiprocessor scalability.

.NET Application

Services

ASP.NET(2)

ASP.NET is the engine for Web-basedapplications and XML Web services. It

brings rapid application development tothe server. Part of the class library in

the .NET Framework, ASP.NET pagesuse a compiled, event-driven

programming model that improvesperformance and enables the separation

of application logic and user interface.

.NET ApplicationServices Enterprise UDD

I ServicesUniversal Description, Discovery, andIntegration (UDDI) is an industry

specification for publishing and locatinginformation about Web services. Some

products in the Windows Server 2003family include UDDI Services, a Web

service that provides UDDI capabilitiesfor use within an enterprise or across

organizations. UDDI Services is notincluded with Windows Server 2003,

Web Edition. In addition, WindowsServer 2003, Standard Edition, supports

only stand-alone installations of UDDIServices. Distributed installation

support is available with Windows

Server 2003, Enterprise Edition andWindows Server 2003, DatacenterEdition. In a stand-alone installation of

UDDI Services, both the UDDI Webserver component and the UDDI

database component are installed on asingle server. In a distributed

installation, UDDI components aredistributed across multiple servers.


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Multimedia

Services

Windows Media Services

Windows Media Services providestreaming audio and video over

corporate intranets and the Internet. InWindows Server 2003, Enterprise

Edition and Windows Server 2003,Datacenter Edition, Windows Media

Services delivers advanced streamingfunctionality such as multicasting,

wireless network support, Internetauthentication, server plug-ins, and

cache/proxy APIs.

(1) Applies to 64-bit versions only.

(2) Not supported in 64-bit versions of Windows Server 2003.

(3) Might be limited by lack of support by OEM hardware.

(4) Both the 32-bit version of Windows Server 2003, Datacenter Edition and the 64-bit version of Windows Server2003, Enterprise Edition support up to 64 GB of RAM.

(5) The 64-bit version of Windows Server 2003, Datacenter Edition supports up to 512 GB of RAM.

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Comparison of Windows Server 2003 Editions

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