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This Exchange TechNet Wiki page includes a feature comparison table that compares features between Exchange Server 2003, 2007 and 2010.
[[EXCHANGE]] [[MIGRATION]]
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 |
| IOPS Required by each user |
0.4 IOPS |
0.3 IOPS |
0.1 IOPS |