Exchange WebDAV

Use Exchange Web Services or EWS Managed API. Alternatively, you can maintain an Exchange 2007 server for mailboxes that are managed by applications that use WebDAV. For more information, see Migrating from WebDAV.

DSProxy

Exchange 2010 uses the RPC Client Access service and the Address Book service to perform this functionality. For more information, see Understanding RPC Client Access and Understanding the Address Book Service.

Storage groups

Exchange 2010 uses database copy functionality. For information, see Understanding Mailbox Database Copies.

Extensible Storage Engine (ESE) streaming backup APIs

Exchange 2010 uses Volume Shadow Copy Service (VSS)-based copies, such as Windows Server Backup and the VSS-plug-in included with Exchange 2010. For information, see Understanding Backup, Restore and Disaster Recovery.

Cluster continuous replication (CCR)

Exchange 2010 uses database availability groups (DAGs) and mailbox database copies. For information, see High Availability and Site Resilience.

Local continuous replication (LCR)

Exchange 2010 uses DAGs and mailbox database copies. For information, see High Availability and Site Resilience.

Standby continuous replication (SCR)

Exchange 2010 uses DAGs and mailbox database copies. For information, see High Availability and Site Resilience.

Single copy cluster (SCC)

Exchange 2010 uses DAGs and mailbox database copies. For information, see High Availability and Site Resilience.

Setup /recoverCMS

Exchange 2010 uses Setup /m:recoverServer. For information, see Recover a Database Availability Group Member Server.

Clustered mailbox servers

Exchange 2010 uses DAGs and mailbox database copies. For information, see High Availability and Site Resilience.

Feature

Comments and mitigation

Client authentication using Integrated Windows authentication (NTLM) for POP3 and IMAP4 users

NTLM isn't supported for POP3 or IMAP4 client connectivity. The recommended POP3 and IMAP4 setting alternatives to NTLM are:

• Kerberos (GSSAPI)
  
• Plain Text Authentication with SSL
  

Connections from POP3 or IMAP4 client programs to Exchange 2010 will fail.

If you need this functionality, retain an Exchange 2003 or Exchange 2007 server in your Exchange 2010 organization.

Document access

Can't use Microsoft Office Outlook Web App to access Microsoft Office SharePoint document libraries and Microsoft Windows file shares.

Web Parts

Web Parts aren't supported in Exchange 2010.

User-selectable themes

Users can't change the theme in Outlook Web App.

Reading pane at the bottom of the page

There is no option to display the reading pane at the bottom of the Outlook Web App window.

Move-Mailbox cmdlet set

Use move requests to move mailboxes. For information, see Understanding Move Requests.

Routing groups

Exchange 2010 uses Active Directory site-based routing. For information, see Understanding Message Routing.

Administrative groups

Exchange 2010 uses the Exchange 2007 split permissions model that's based on universal security groups. For information, see Understanding Split Permissions.

Intelligent Message Filter

Exchange 2010 uses anti-spam agents in the Hub Transport and Edge Transport server roles. For information, see Understanding Anti-Spam and Antivirus Functionality.

Link state routing

Exchange 2010 uses Active Directory site-based routing. For information, see Understanding Message Routing.

Routing objects

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Network-attached storage

Exchange 2010 supports Internet SCSI (iSCSI).

Exchange Installable File System (ExIFS)

Use Exchange Web Services or MAPI.

Event service

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Recovery storage group

Exchange 2010 uses the recovery database. For information, see Recovery Databases.

Microsoft Exchange Connector for Novell GroupWise and migration tools

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Microsoft Exchange Connector for Lotus Notes

Use the appropriate tools for coexisting and migrating from Lotus Notes. These tools are available at the Interoperability Bridges and Lab Center Web site.

Network News Transfer Protocol (NNTP)

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

POP3 or IMAP4 graphical user interface (GUI) management

Use the Exchange Management Console (EMC) or the Exchange Management Shell. For information, see Managing POP3 and IMAP4.

X.400 message transfer agent (MTA)

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

SMTP virtual server instances

Use Exchange 2010 SMTP connectors. For information, see Understanding Send Connectors and Understanding Receive Connectors.

Non-MAPI top-level hierarchies in a public folder store

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Public folder access by using NNTP

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Public folder access by using IMAP4

If you need this functionality, retain an Exchange 2003 server in your Exchange 2010 organization.

Feature

Comments and mitigation

Client authentication using Integrated Windows authentication (NTLM) for POP3 and IMAP4 users

NTLM isn't supported for POP3 or IMAP4 client connectivity. The recommended POP3 and IMAP4 setting alternatives to NTLM are:

• Kerberos (GSSAPI)
  
• Plain Text Authentication with SSL
  

Connections from POP3 or IMAP4 client programs to Exchange 2010 will fail.

If you need this functionality, retain an Exchange 2003 or Exchange 2007 server in your Exchange 2010 organization.

Exchange extensions in Active Directory Users and Computers

Exchange 2010 includes recipient management in the EMC. For information, see Managing Mailbox Servers.

Exchange Server Mailbox Merge wizard (ExMerge.exe)

Use the Export-Mailbox cmdlet or the Move Request cmdlet set. For information, see Recipient Cmdlets.

Recipient Update Service

Use the Update-AddressList and Update-EmailAddressPolicy cmdlets. To replace the full functionality of the Recipient Update Service, you can use the Task Scheduler to schedule these Shell commands. For information, see Task Scheduler.

Monitoring and status node

Use a monitoring solution such as System Center Operations Manager.

Message Tracking Center node and tracking mechanism

Use the Tracking Log Explorer and Message Tracking tools. For information, see Understanding Message Tracking.

Mailbox Recovery Center

Use the Restore-Mailbox cmdlet.

Mailbox Management Service

Use messaging records management (MRM) or retention policies. For information, see Understanding Messaging Records Management and Understanding Retention Tags and Retention Policies.

Clean Mailbox tool

Use the Export-Mailbox cmdlet or the Move Request cmdlet set. For information, see Recipient Cmdlets.

Migration wizard

Use the New-MoveRequest cmdlet or the Local Move Request and Remote Move Request wizards to move mailboxes from Exchange 2003 to Exchange 2010. For information, see Understanding Move Requests.

Exchange Profile Redirector tool (ExProfRe)

Use the Autodiscover service. For information, see Understanding the Autodiscover Service.