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Exchange Server 2003 is the Microsoft messaging and
collaboration server designed to help you communicate more effectively. Along
with the rich client functionality provided by Microsoft Office Outlook 2003,
Exchange Server 2003 offers:
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Mobile, remote, and desktop e-mail
access with state-of-the-art security and privacy |
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Lower cost of ownership through the
services provided by Microsoft Windows Server 2003 |
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High reliability and outstanding
performance |
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E-mail-based collaboration |
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Easy upgrading, deployment, and
administration |
Discover how you can benefit from Exchange Server 2003 with
the new and enhanced abilities and features described on this page. For related
information, see:
Security and Privacy
To uphold the tenets of the Microsoft Trustworthy Computing
initiative, Exchange Server 2003, along with Windows Server 2003, is committed
to be secure by design, secure by default, and secure in deployment. Exchange
Server 2003 protects your messaging environment as well as your privacy with:
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Distribution lists restricted to
authenticated users. You can allow sending only
from authenticated users or specify which users can or cannot send mail to
specified distribution lists. |
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Support of real-time Safe and Block
lists. Reduce the amount of unsolicited junk
e-mail messages delivered to your organization with connection filtering. |
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Inbound recipient filtering.
Reduce unsolicited junk e-mail messages by filtering inbound messages based
on the recipient. Messages that are addressed to users who are not found, or
to whom the sender does not have the permissions to send, are rejected. This
applies only to messages sent by anonymously authenticated users. |
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Kerberos authentication between a
front-end and back-end server. To help ensure that
credentials are secure, Exchange Server 2003 uses Kerberos delegation when
sending user credentials between a front-end server, running services such
as Microsoft Office Outlook Web Access or Microsoft Outlook Mobile Access,
and a back-end server such as the mailbox store. |
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Privacy protection in Outlook and
Outlook Web Access. By default, content from
outside your network is blocked in Outlook 2003 and Outlook Web Access. This
feature helps prevent spammers from identifying valid e-mail addresses
through links to external content. You can, however, override this feature
to view external content. |
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Antispam integration with
Outlook 2003 and Outlook Web Access. You can
upload the Safe and Block Senders List to Exchange Server 2003 for
filtering. |
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Microsoft Exchange Intelligent
Message Filter. Integrated in Exchange Server 2003
for server-side filtering of unsolicited junk e-mail messages and also in
Outlook 2003 for client-side filtering, Exchange Intelligent Message Filter
uses Microsoft SmartScreen technology to help reduce cost and boost
productivity by unsolicited junk e-mail messages. |
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Virus Scanning API 2.5.
Non-Microsoft antivirus products can run on servers running Exchange
Server 2003 that do not have resident Exchange Server mailboxes and are
allowed to delete and send messages to the sender. |
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Clustering security.
Exchange Server 2003 clustering supports Kerberos authentication against an
Exchange Server virtual server. Exchange Server 2003 also supports Internet
Protocol security (IPSec) between front-end servers and clustered back-end
servers running Exchange Server. |
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Administrative permissions.
Cross-forest support and the ability to administer both Exchange 2000 Server
and Exchange Server 2003 helps organizations that have segmented the
administration of their Microsoft Windows–based environment and Exchange
Server environment into two unique groups and are concerned about security. |
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Restricted relaying.
You can restrict relaying to a limited number of security principles through
the standard Windows 2000 discretionary access control list (DACL). The
ability to grant relaying to an IP address is still present. |
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Restricted submissions.
You can restrict submissions to a limited number of security principles
through the standard Windows 2000 DACL. This feature helps prevent blocked
senders from sending to internal-only distribution lists by spoofing, which
is the practice of tricking users into providing passwords and other
information to allow unauthorized access into a system. |
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Public folder permissions for unknown
users. Folders with distinguished names in access
control lists that cannot be resolved to security identifiers drop the
unresolvable distinguished names. |
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Public folder store replication.
Public folder servers replicate with local servers for updates even if the
local servers do not have the full set of replication content that they
need. You can use a registry key to identify the first server that is used
for backfilling. |
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Microsoft Baseline Security Analyzer
(MBSA). Download an easy, streamlined method of
identifying common security misconfigurations for Microsoft products
including Exchange Server and Windows Server 2003. |
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IPSec encryption.
Traffic between front-end and back-end servers, including back-end cluster
servers, is more secure. |
Reliability
Exchange Server 2003 is deeply integrated with Windows
Server 2003 for enhanced reliability of the IT environment. These capabilities
include:
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Support for up to eight-node
clusters. Get up to eight-node clustering with a
minimum of one passive node on Windows Server 2003, Enterprise Edition. |
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Mailbox Recovery Center.
Get bulk reconnection of mailboxes to the appropriate user in Active
Directory directory service to support disaster recovery scenarios. You can
scan the mailbox database and determine all disconnected mailboxes,
automatically match user mailboxes to user accounts in Active Directory,
recover individual or multiple mailboxes, and identify conflicts. |
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Automatic error reporting.
Easily report errors to Microsoft to help improve future product
functionality. |
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Cluster failover time.
The dependency hierarchy of Exchange Server services has been flattened so
that the Exchange Server protocol services are no longer dependent on the
Microsoft Exchange Server Information Store service. You can bring the
Exchange Server store online and offline in parallel with the protocols. |
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Virtual memory usage and monitoring.
The virtual memory usage in Windows Server 2003 in conjunction with the
Exchange Server Information Store service reduces fragmentation and enables
higher-end servers with a large number of users to achieve greater
availability. |
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Integration with Dr. Watson 2.0.
Get error reporting for the Exchange Server System Manager, System
Attendant, Directory Services Management, Exchange Server Management
Service, Exchange Server Setup, and Exchange Server Information Store
service. |
Performance
Consolidate and centralize your messaging servers and realize
a greater return on your IT investments with the performance gains in Exchange
Server 2003.
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Blocking Out of Office messages from
distribution lists. Out of Office messages are not
sent to the entire membership of a distribution list that is listed in the
To or Cc boxes. |
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Outlook synchronization performance.
Client performance is improved by reducing the number of change
notifications when a client is working in the cached Exchange Server mode.
In addition, the server detects and sends only the native format of messages
to the client. Clients using a cached Exchange Server mode also receive the
number and size of messages to be downloaded. |
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Distribution list member caching.
The redesigned cache helps you complete lookups, insertions, and expirations
more efficiently, resulting in a 60 percent reduction of Active Directory
queries. |
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Enhanced DNS-based Internet mail
delivery. Get load balancing, better performance,
and better tolerance of problems associated with network or host
unavailability and external Domain Name System (DNS) server responsiveness. |
Administration
Save time and increase productivity with:
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Volume Shadow Copy service.
Exchange Server 2003 supports the Volume Shadow Copy service implemented in
Windows Server 2003. The copy service functionality gives you a nearly
instantaneous backup and restore because a mirrored copy of the database
exists at any time and can be used for restore processes. |
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Dynamic distribution lists.
Reduce the time you spend managing distribution lists with the new
query-based distribution group. These groups achieve the same functionality
as standard distribution lists, but instead of specifying static user
memberships, they allow the use of a Lightweight Directory Access Protocol (LDAP)
query to specify the members of the distribution lists (for example, "All
full timers in my company"). |
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Exchange Server System Manager.
In earlier versions of Exchange Server, you had to move log files yourself
with directory modification tools and with the information gained from
studying Microsoft Knowledge Base articles. In Exchange Server 2003, message
tracking log files, as well as X.400 message transfer agent (MTA) queue data
and Simple Mail Transfer Protocol (SMTP) queue data, are moved by using
Exchange Server System Manager. Other Exchange Server System Manager
improvements include:
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A user interface (UI) that offers
simplified search filter, improved sorting by columns, and the ability
to select multiple queues and messages for manipulation. |
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Improved setup for remote procedure
call/Hypertext Transfer Protocol (RPC/HTTP) access for Outlook 2003
clients. |
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Queues that are centralized on a
per-server basis as opposed to a per-virtual server basis so that all
queues on a server can be viewed in one location. |
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Increased performance in queue
enumeration, and all queues are initially displayed in Exchange Server
System Manager. Control of Exchange Server System Manager is returned to
you before all queues are displayed. |
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All system queues are exposed to
help you troubleshoot. Exchange Server System Manager includes the
Enable Forms Based Authentication feature on the virtual servers so
authentication cookies can be enabled or disabled easily through the UI. |
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More exposed cluster action. In a
cluster, status can be viewed for virtual servers and failover. |
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The addition of Windows Management
Instrumentation (WMI) classes as well as many other new features. |
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Auto Accept Agent.
This tool enables Exchange Server to automatically handle initial meeting
scheduling requests, cancellations, and updates and generates responses to
the meeting organizer. |
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Public folder management.
Improvements in the UI for public folders include several new tabs:
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Details,
which shows the folder name and the date created. |
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Content,
which shows the content that is using Outlook Web Access. |
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Find,
for using the new search capabilities. |
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Status,
which provides the folder's server name, the folder's public store name,
folder size, the number of items in the folder, and the last time the
folder was accessed. |
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Replication,
which provides statistical data on replicas. |
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Link state improvements.
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If no alternate path exists, there
is no change in the link state. If no alternative path for the link (or
route) exists, Exchange Server considers the path available. |
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The routing of link state code is
achieved by reviewing the link state queue. If there are multiple
conflicting state changes for a connector, Exchange Server 2003
considers the connector available. It is better to leave an oscillating
connector available than to continually change the link state. |
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Public folder referral.
You can specify a public folder referral through a new list in Exchange
Server System Manager. |
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Inter-organization Replication tool.
Replicate free and busy information and public folder content between
Exchange Server organizations (requires Exchange Server 2003 SP1). |
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Move Mailbox tool.
Ease mailbox movement from one server to another or to a different Exchange
Server store by selecting multiple mailboxes. Make your mixed-mode,
cross-site moves during site consolidation and migration easier. |
Deployment
Upgrading, migrating, and deploying Exchange Server 2003 is
easier and faster with:
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Deployment tools and Help files.
This set of new deployment tools and documentation helps you deploy Exchange
Server 2003 easily into an existing Exchange Server 5.5 topology. The
deployment tools provide a step-by-step approach by providing detailed
information, analyzing the existing topology, checking for prerequisites,
recommending a configuration setting, and validating each step. |
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New cross-site migration tools.
These tools ease cross-site mailbox migrations from Exchange Server 5.5 to
Exchange Server 2003. (Requires Exchange Server 2003 Service Pack 1 [SP1]). |
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Public Folder Migration tool (pfMigrate).
Migrate public folders from Exchange Server 5.5 to Exchange Server 2003 with
ease. |
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Active Directory Connector tools.
As an extension of the Active Directory Connector manager snap-in, the
Active Directory Connector Wizard helps your deployment by analyzing an
existing Exchange Server 5.5 topology, automatically preparing the Exchange
Server 5.5 directory, and creating the needed connection agreements to
ensure successful deployment. |
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Internet Mail Wizard.
This wizard helps you configure Internet mail connectivity more quickly. |
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Active Directory Connector.
Active Directory Connector is updated in Exchange Server 2003 SP1 and
includes many customer-requested features. |
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Setup.
Setup is easier with:
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Outlook Mobile Access and Exchange
ActiveSync that are installed by default on all servers running Exchange
Server. Exchange Server 2003 is mobile-enabled and can support mobile
phones and Windows-powered mobile devices. |
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Setup permission requirement changes
that allow additional servers running Exchange Server to be added to an
existing Administrators group without the need of a full Exchange Server
administrator. |
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An option that enables you to
specify a destination domain. |
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Better batch-mode support than in
Exchange 2000 Server. |
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Active Directory Schema.
Changing permissions when performing forest preparation means that only
Active Directory permissions are needed. With single-schema update,
regardless of the deployment path, the Active Directory Schema only needs to
be updated once. |
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Exchange Server 2003 Connectors.
Get co-existence and migration for IBM Lotus Notes R5 and R6 and Novell
GroupWise 5.x (requires Exchange Server 2003 SP1). |
Increased Mobility
Exchange Server 2003 has built-in mobile features to help
drive greater worker productivity by facilitating mobile and remote computing
scenarios. New and enhanced mobile and remote access features in Exchange Server
2003 include:
Outlook 2003
Mobile and remote workers can communicate and collaborate on
the go, and coupled with the new user interface and security and support
features, can communicate and collaborate more productively.
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Cached Exchange Mode.
Outlook 2003 clients using Cached Exchange Mode perform most e-mail-related
tasks from the local client computer, reducing the number of requests to the
server for data. After the full copy of a user mailbox is downloaded, Cached
Exchange Mode significantly reduces network bandwidth consumption between
the client and server and removes the need to restart Outlook to an offline
profile when network interruptions occur. |
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HTTP access from Outlook.
When used with the Windows Server 2003 RPC Proxy Service and Exchange Server
2003, Outlook 2003 clients can connect simply using HTTP or HTTPS, thereby
reducing the need for Virtual Private Networks (VPNs) or dial-up remote
access service (RAS). If your remote users only need to access corporate
messaging information, you may not need to deploy VPN infrastructure. |
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Performance enhancements.
Enhancements like MAPI compression and buffer packing reduce the number of
requests to and from the Exchange servers. Overall lower bandwidth
consumption can lead to site consolidation and render savings for the IT
department. |
Outlook Web Access
Microsoft Office Outlook Web Access 2003 has been improved for
easier use and a closer look-and-feel to Outlook 2003.
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Usability improvements in the user
interface. Outlook Web Access has been greatly
improved with Exchange Server 2003, providing a new user interface and
features such as a spelling checker, additional views, S/MIME encrypted
e-mail messages, auto signatures, right-click mouse functionality, quick
flagging, the ability to create e-mail message rules, and junk e-mail folder
capabilities. |
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Enhanced security when connecting
over the Internet. New features include:
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Session inactivity timeout using
forms-based authentication provides support for secure logoff and timed
logoff after a period of inactivity, even if the browser is left open
with a current session to the server. |
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S/MIME support (Internet Explorer
6.0 and Windows 2000 or later is required). |
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Web beacon blocking makes it more
difficult for senders of spam to confirm e-mail addresses. When a user
clicks a hyperlink in the body of an e-mail message, Outlook Web Access
helps protect private information from being revealed to the visited Web
site. |
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Customers can block access to all
attachments or specific file types and can allow attachment access only
through specific servers. |
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Additional security and deployment
improvements can be offered when using Exchange Server 2003 with
Microsoft Internet Security and Acceleration (ISA) Server 2004.
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Performance improvements to
accommodate low-bandwidth situations. These
improvements are linked to a better user interface design, reduced bandwidth
requirements, and gzip compression between Internet Information Server (an
underlying component of Exchange Server 2003) and the browser client. Core
changes in Outlook Web Access greatly improve the performance of managing
e-mail by reducing the traffic needed to refresh views after the most common
operations. |
Exchange ActiveSync
Mobile and remote workers can also stay connected while on the
move. With ActiveSync built into Exchange Server 2003, Windows Mobile 2002 and
later–based devices can synchronize with an Exchange Server mailbox with very
little configuration. Synchronization is over-the-air, can be on demand or
scheduled, and provides rich access to e-mail messages, schedules, and contacts.
New devices that are not Windows Mobile–based and are from companies that have
licensed Exchange ActiveSync also provide this capability.
Easier Development
The portal enhancements in Exchange Server 2003 include:
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Exchange 2003 Software Development
Kit (SDK). Get tools for application development. |
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Workflow Designer for Exchange.
Use the Workflow Designer for Exchange Server to design workflow
applications that run on Exchange 2000 Server, Exchange Server 2003, and
Microsoft SharePoint Portal Server. |
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New Web Parts.
Exchange Server 2003 includes specific Outlook Web Access customizations to
enable Outlook Web Access Web Parts to be embedded in portals. These
services enable you to embed specific mail, calendar, contact, Outlook
Today, and public folder information into a Web portal. Two specific
enhancements include the introduction of an Outlook Web Access Today Web
Part, which summarizes your agenda, and support for cascading style sheets
on the Outlook Web Access page. |
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Redirection support.
Portal designers now have a simple way to present the special folders of an
authenticated user. Outlook Web Access supports a new URL query string that
sends an HTTP/1.x 302 redirect where Module is one of the special
folders (Inbox, Calendar, Contacts, or Tasks). |
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