Exchange Server Version and Features 

 Feature:

Exchange 2003

Exchange 2007

Exchange 2010

64-Bit Architecture

No

Yes

 Yes

Administrative Groups

Yes

No - Uses Universal Security Groups

No - Uses Universal Security Groups

Anti-Spam agents on Hub Transport Server and Edge Role

No

Yes

 Yes

Calendar Repair Assistant

No

No

 Yes

Cluster Continuous Replication (CCR)

No

Yes

No - use DAG and Mailbox Database Copies

Clustered Mailbox Server

Yes

Yes (Improved)

 No - use DAG and Mailbox Database Copies

Continuous Background Online Defragmentation

No

No

 Yes

Database Availability Groups (DAG)

No

No

 Yes

Disclaimers

No

Yes

Yes (Improved)

End User End-To-End Message Tracking

No

No

Yes

Event Service

  Yes

No

No

Exchange Certificate wizards

No

No

Yes

Exchange extensions in Active Directory Users and Computers

Yes

No

No

Exchange Installable File System (ExIFS)

Yes

No

No

Exchange Management Shell

No

Yes

Yes

Exchange Management Shell Command Log

No

No

Yes

Federated Sharing

No

No – Requires at least one Exchange 2010 CAS in org

Yes

Incremental Deployment

No

No

Yes

Incremental Resync

No

No

Yes

Intelligent Message Filter

Yes

No - replaced by Content Filter Agent

No - replaced by Content Filter Agent

iSCSI support

No

Yes

Yes

Larger and Sequential I/O

No

No

Yes

Larger Page Size (32 KB)

No

No

Yes

Legal Hold

No

No

Yes

Link State Routing

Yes

No

No

Local Continuous Replication (LCR)

No

Yes

No

Mailbox Database Copies

No

No

Yes

Mailbox Folder Permissions Management

No

No

Yes

Mailbox Management Service

Yes

No - Use Messaging Records Management

No - Use MRM or Retention Policies

Mailbox Merge Wizard (Exmerge.exe)

Yes

No (not tested/supported Exchange team)

No (not tested/supported Exchange team)

Mailbox Recovery Center

Yes

Use Exchange Server Disaster Recovery Analyzer

Use Exchange Server Disaster Recovery Analyzer

MailTips

No

No

Yes

Message Tracking Center

Yes

Use Exchange Server Mail Flow Analyzer

Use Exchange Server Mail Flow Analyzer

Messaging Records Management

No

Yes

Yes

Moderated Distribution Groups

No

No

Yes

Moderated Transport

No

No

Yes

Monitoring and Status Node

Yes

No

No

Multi-Mailbox Search

No

No

Yes

Network-Attached Storage

Yes

No

No

NNTP

Yes

No

No

Online Background Database Scanning (check-summing)

No

No

Yes

Online Move Mailbox

No

No

Yes

Optimize for Commodity Storage (SATA)

No

No

Yes

Personal Archive

No

No

Yes

Property Dialog Command Exposure

No

No

Yes

Public folder access using IMAP4

Yes

No

No

Public folder access using NNTP

Yes

No

No

Recipient Update Service (RUS)

Yes

No (but... E-mail policy)

No (but..)

Recovery Storage Group

Yes

Yes

No - use Recovery Database

Role Based Access Control

No

No

Yes

Routing Group based Mailflow

Yes

No - Uses Active Directory site-based routing

No - Uses Active Directory site-based routing

Routing Objects

Yes

No

No

Send mail to Recipients from Exchange Management Console

No

No

Yes

Shadow Redundancy

No

No

Yes

Standby Continuous Replication (SCR)

No

Yes

No - use DAG and Mailbox Database Copies

Storage Groups

Yes

Yes

No

Transport Rules

No

Yes

Yes (Improved)

Transport Rules Integration with AD RMS

No

No

Yes