Microsoft Exchange Consulting

Exchange Server Feature

Exchange Version

Windows Version

Outlook Version

DISASTER RECOVERY

Clustering

2–Node clustering

Available in Exchange 2000

Windows 2000

N/A

4–Node clustering

Available in Exchange 2000

Windows 2000 Advanced Server

N/A

8–Node clustering

New in Exchange 2003

Requires Windows Server 2003

N/A

Improved cluster failover time

Enhanced in Exchange 2003

Windows 2000

N/A

Storage

Mount points overcome the 24–drive letter limitation

New in Exchange 2003

Requires Windows Server 2003

N/A

Standard storage area network connectivity

New in Exchange 2003

Windows 2000

N/A

Backup/Restore

Standard backup with non-Microsoft hardware (Requires Windows–certified backup vendor)

Available in Exchange 2000

Windows 2000

N/A

Database backup (Volume Shadow Copy service) (Requires Windows Volume Shadow Copy service–certified backup vendor)

New in Exchange 2003

Requires Windows Server 2003

N/A

Mailbox Recovery Center tool

New in Exchange 2003

Windows 2000

N/A

Recovery Storage Group

New in Exchange 2003

Windows 2000

N/A

PERFORMANCE

Improved Memory Allocation

2–GB standard allocation

Available in Exchange 2000

Windows 2000

N/A

3–GB user mode allocation

Enhanced in Exchange 2003

Windows 2000 Advanced Server

N/A

Public Folders

Improved public folder store administration and replication

Enhanced in Exchange 2003

Windows 2000

N/A

E–Mail

Improved distribution list caching

Enhanced in Exchange 2003

Windows 2000

N/A

Suppression of Out of Office messages to distribution lists

New in Exchange 2003

Windows 2000

Outlook 2000/XP/2003

Outlook 2003 cached Exchange mode reduces server load

New in Exchange 2003

Windows 2000

Requires Outlook 2003

MAPI compression reducing bytes of data over the wire

New in Exchange 2003

Windows 2000

Requires Outlook 2003

SECURITY

IPSec support for front-end/back-end clusters

New in Exchange 2003

Requires Windows Server 2003

N/A

Cross–forest Kerberos authentication with Outlook 2003 (Requires Microsoft Metadirectory Services 2003 (MMS) and Outlook 2003)

New in Exchange 2003

Requires Windows Server 2003

Requires Outlook 2003

Signed LDAP requests to Active Directory

New in Exchange 2003

Windows 2000

N/A

Front–end/back–end Kerberos authentication

New in Exchange 2003

Windows 2000

N/A

IIS 6.0 security and dedicated application mode

New in Exchange 2003

Requires Windows Server 2003

N/A

Restrict distribution lists to authenticated users

New in Exchange 2003

Windows 2000

N/A

Real–time safe and block lists

New in Exchange 2003

Windows 2000

N/A

Inbound recipient filtering

Enhanced in Exchange 2003

Windows 2000

N/A

Advanced junk e-mail protection

New in Exchange 2003

Windows 2000

Requires Outlook 2003

Anti–virus API 2.5 (Requires non-Microsoft antivirus software)

Enhanced in Exchange 2003

Windows 2000

N/A

Attachment blocking in Outlook Web Access

New in Exchange 2003

Windows 2000

N/A

Improved public folder permissions for unknown users

Enhanced in Exchange 2003

Windows 2000

N/A

Improved ability to restrict submissions

Enhanced in Exchange 2003

Windows 2000

N/A

CLIENT ACCESS

Improved Outlook Web Access UI and feature set

Enhanced in Exchange 2003

Windows 2000

Outlook 2000/XP/2003

Improved Outlook 2003 performance using MAPI compression

New in Exchange 2003

Windows 2000

Requires Outlook 2003

HTTP access from Outlook 2003

New in Exchange 2003

Requires Windows Server 2003

Requires Outlook 2003

cHTML, xHTML and HTML mobile browser support

New in Exchange 2003

Windows 2000

Requires Browser Based Mobile Device

Exchange Server ActiveSync for Windows Powered Mobile Devices

New in Exchange 2003

Windows 2000

Requires Windows Powered Mobile Device

Up-to-Date notifications synchronization

New in Exchange 2003

Windows 2000

Requires Windows Powered Mobile Device

COLLABORATION

Real–time collaboration (Replacement for Exchange Instant Messaging and Exchange 2000 Conferencing Server)

Requires Real-Time Collaboration service

Requires Windows Server 2003

Outlook 2000/XP/2003

SharePoint™ Web Parts (Requires SharePoint Portal Server and/or Windows SharePoint Services)

Enhanced in Exchange 2003

Requires Windows Server 2003

Outlook 2000/XP/2003

SERVICEABILITY

Exchange System Manager on Windows XP

Enhanced in Exchange 2003

Windows 2000

N/A

Queues are centralized on a per-server basis

New in Exchange 2003

Windows 2000

N/A

UI improvements

Enhanced in Exchange 2003

Windows 2000

N/A

All system queues are exposed

Enhanced in Exchange 2003

Windows 2000

N/A

Cookie authentication enablement

New in Exchange 2003

Windows 2000 (SP4 or Windows 2003)

N/A

Move log files and queue data by means of Exchange System Manager

New in Exchange 2003

Windows 2000

N/A

Public Folder Send hierarchy

New in Exchange 2003

Windows 2000

N/A

Public Folder Search capabilities

New in Exchange 2003

Windows 2000

N/A

Public Folder Send Contents

New in Exchange 2003

Windows 2000

N/A

Public Folder affinity to control referrals

New in Exchange 2003

Windows 2000

N/A

Public Folder migration from Exchange 5.5 to Exchange 2003

New in Exchange 2003

Windows 2000

N/A

Multi-threaded, multi-user Move Mailbox function

New in Exchange 2003

Windows 2000

N/A

Dynamic distribution lists

New in Exchange 2003

Windows 2000

N/A

GZip compression

New in Exchange 2003

Requires Windows Server 2003

N/A

MANAGEMENT

Multiple Windows forest support

New in Exchange 2003

Windows 2000
(Requires MMS)

N/A

Automatic error reporting

New in Exchange 2003

Windows 2000

N/A

1,700 Exchange–specific events using Microsoft Operations Manager (Requires Microsoft Operations Manager)

New in Exchange 2003

Windows 2000

N/A

Deployment

Deployment and migration tools

Enhanced in Exchange 2003

Windows 2000

N/A

Active Directory Connector improvements

Enhanced in Exchange 2003

Windows 2000

N/A

Internet Mail Connection Wizard

Enhanced in Exchange 2003

Windows 2000

N/A

Multiple Mailbox Move tool

Enhanced in Exchange 2003

Windows 2000

N/A