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Exchange Server 2010 Web Services SDK

Exchange Server 2010 provides new and improved web service interfaces that you can use to implement client applications that access and manage Exchange store items. You can use the information in this SDK to create client applications that use the web services that are available in Exchange 2010.

License Information

The license terms specified in the License Information topic in this SDK apply to your use of this SDK. Please review it carefully.

In This SDK

The Exchange 2010 Web Services SDK includes the following sections:

What’s New in Exchange 2010 SP2 Web Services

Operations related to the following were introduced in Exchange 2010 Service Pack 2 (SP2):

  • Getting password expiration date

Contact-related XML elements have been added.

What’s New in Exchange 2010 SP1 Web Services

Operations related to the following were introduced in Exchange 2010 Service Pack 1 (SP1):

  • Inbox rules

  • Bulk item transfer

  • Conversations

  • Emptying folder contents

What’s New in Exchange 2010 Web Services

Exchange 2010 introduces the following important changes that might affect your web services–based applications:

  • Operations related to the following were introduced in Exchange 2010:

    • User configuration

    • Mail tips

    • Message tracking

    • Calendar and contact sharing

    • Room availability

    • Time zones

    • Service configuration

    • Unified messaging

  • A new SOAP-based Autodiscover service has been introduced as an alternative to using the "plain old XML" (POX) Autodiscover service.

  • EWS has been updated to include Unified Messaging functionality. You no longer have to use the separate Unified Messaging Web service (nor do we recommend this).

  • Conversations, Inbox Rules, Streaming Notifications, Getting Password Expiration Date, and Managing Application Access are new features.

  • New properties were added to the Contact element.

For more information about these and other changes, see Introduction to Web Services.

Technologies Not Shipping in Exchange 2010

Some development technologies that shipped in earlier versions of Exchange are not included in Exchange 2010.

The following technologies were removed from Exchange Server 2007:

  • Exchange providers for Windows Management Instrumentation (WMI)

  • Collaboration Data Objects for Exchange Management (CDOEXM)

  • Collaboration Data Objects for Exchange Workflow (CDOWF)

  • Exchange Web Forms

  • At Functions

  • DAPI.DLL

The following technologies were removed from Exchange 2010:

  • Exchange OLE DB Provider (ExOLEDB)

  • Exchange store Event Sinks

  • World Wide Web Distributed Authoring and Versioning (WebDAV)

  • CDO 3.0 (CDOEx)

  • Item-level permissions

  • Exchange Store custom item types

These technologies are not documented in the Exchange 2010 Web Services SDK. Any references to these technologies in the documentation are in error. For migration information, see the Developer roadmap for Exchange.