Exchange 2010 Web Services

What's New in Exchange Web Services in Microsoft Exchange Server 2010
Ing. Eduardo Castro, PhD
Grupo Asesor en Informática
ecastro@grupoasesor.net

We are Very Serious About EWS
Entourage 2008 - www.microsoft.com/mac/products/entourage2008/

Exchange 2010 Enterprise Topology
Enterprise Network
Phone system (PBX or VOIP)
Hub Transport
Routing & Policy
Edge Transport
Routing & AV/AS
External
SMTPservers
Unified Messaging
Voice mail & voice access
Mailbox
Storage of mailbox items
Mobile phone
Client Access
Client connectivity
Web services
Web browser
Outlook (remote user)
Line of business application
Outlook (local user)

Consolidation of Store Access Paths
Exchange 2010
Exchange 2007
Exchange Components
Exchange Components
Transport Agents
Transport Agents
WS
WS
OWA
OWA
Mailbox Agents
Mailbox Agents
UM
UM
Entourage
Sync
Sync
Outlook / MAPI clients
MiddleTier
Exchange Biz Logic
MiddleTier
MAPI, RFR & NSPIRPC
Exchange Biz Logic
Exchange Core Biz Logic
Entourage
DAV
Mailbox
MAPI RPC
Mailbox
MAPI RPC
Store
Store

RPC Client Access ServiceThe what
Outlook Clients
A new service in Exchange Server 2010 that resides on CAS
What it handles:
Outlook data connections go to CAS instead of connecting directly to mailbox servers
Replaces the DSProxy interface by providing an Address Book service on CAS
Public folder connections connect directly to the mailbox server, but through RPC Client Access
Exchange CAS Array
MBX
GC

Client AccessClient RPC connection changes
Exchange Server 2007
Exchange Server 2010
CAS Array
MAPI RPC
NSPI,RFR RPC
RPCProxy
CAS
RpcProxy
Exchange Biz Logic
Mailbox
MAPI RPC
AD
LDAP
NSPI
DSProxy
Mailbox
MAPI RPC
AD
Store
Store
ESE
ESE
RPC Data Flow
HTTP Data Flow
Common Data Flow

What is EWS?
Unified API to access Exchange resources
Items and folders
Synchronization
Calendaring workflows
Built on top of an outlook-compatible common business logic
Appropriate architectural choices
Standards-based (SOAP)
Remotable

Exchange N-Tier Architecture
Mailbox Server
Mailbox Server
CDOEx
ExoleDB
CDO 1.2.1
WebDAV
Exchange 2000/2003
HTTP
RPC
Windows Client
Exchange Web Services
RPC
HTTP
Exchange 2007/2010
X-Platform Client
Client Access Server

Unifying a Large Set of APIs
Outlook interop
Do it yourself
Built-in
Runs on the mailbox server
OleDB
CDO for Exchange
CDO 1.2.1
MAPI
Runs in the intranet only
Runs over the internet
Exchange Web Services
WebDAV

Exchange API EvolutionWhy you should use EWS
The following APIs were de-emphasized in Exchange 2007, they have been removed from Exchange 2010:
CDO 1.2.1
CDOEx
ExOLEDB
WebDAV
OWA URL commands
Store Events
Replaced by EWS
EWS only support asynchronous events

EWS Architecture: Impact on Your Applications
Installation
Applications no longer installed on Mailbox
Authentication
Applications no longer have full mailbox access when running on a Mailbox Server
Asynchronous notifications only
No synchronous events
EWS supports any language or platform capable of making an HTTP request (C#/C/C++/Java)

EWS Features Overview
Exchange mailboxes
Public folders
Business logic layer (shared with Outlook Web Access and ActiveSync)
Full access to items, folders and attachments:
Create
Get
Update
Delete
Availability
OOF settings
Notifications
Synchronization
ResolveNames
ExpandDL
Search
Improved Time Zone support
Full private DL support
Folder Associated Items (FAIs)
User configuration objects
Indexed Search
GetRoomLists and GetRooms
UM service integration
Delegate management
Folder permissions
Public folders
Post items
Id conversion
Exchange 2007
Exchange 2007 Service Pack 1
Exchange 2010
HTTP/SOAP
HTTP/SOAP
Auto-generated proxies, raw XML
EWS Managed API
or

Introducing the EWS Managed APIFor Exchange 2007 SP1 and Exchange 2010 development
Easy
First-class .NET development for Exchange
Fully object-oriented
Fast
Discoverable and intuitive, easy to learn
Full IntelliSense support
High quality
Significantly reduces the number of lines of code
Code is easy to read, understand and maintain
“Software + Services” ready

GetFolderType request = new GetFolderType();
request.FolderShape = new FolderResponseShapeType();
request.FolderShape.BaseShape = DefaultShapeNamesType.AllProperties;
DistinguishedFolderIdTypeinboxId = new DistinguishedFolderIdType();
inboxId.Id = DistinguishedFolderIdNameType.inbox;
request.FolderIds = new BaseFolderIdType[] { inboxId };
GetFolderResponseType response = serviceBinding.GetFolder(request);
FolderInfoResponseMessageTyperesponseMessage =
response.ResponseMessages.Items[0] as FolderInfoResponseMessageType;
if (responseMessage.ResponseClass == ResponseClassType.Success)
{
FolderType inbox = responseMessage.Folders[0] as FolderType;
}
<s:Envelope>
<s:Body>
<m:GetFolderResponse>
<m:ResponseMessages>
<m:GetFolderResponseMessage
ResponseClass="Success">
<m:ResponseCode>NoError</m:ResponseCode>
<m:Folders>
<t:Folder>
<t:FolderIdId="..." ChangeKey="..." />
<t:FolderClass>IPF.Note</t:FolderClass>
<t:DisplayName>Inbox</t:DisplayName>
...
</t:Folder>
</m:Folders>
</m:GetFolderResponseMessage>
</m:ResponseMessages>
</m:GetFolderResponse>
</s:Body>
</s:Envelope>
<soap:Envelope>
<soap:Body>
<m:GetFolder>
<m:FolderShape>
<t:BaseShape>AllProperties</t:BaseShape>
</m:FolderShape>
<m:FolderIds>
<t:DistinguishedFolderIdId="inbox" />
</m:FolderIds>
</m:GetFolder>
</soap:Body>
</soap:Envelope>
Folder inbox = Folder.Bind(service, WellKnownFolderName.Inbox);
How Easy?
Increased Productivity
Raw XML
Auto-generated proxies
EWS Managed API
Cross-platform
No client-side logic
Manual plumbing
Multiple platforms
Class-based access
No client-side logic
Windows only (.NET 3.5)
Fully Object Oriented
Smart client-side logic

Exchange 2010
Ing. Eduardo Castro, PhD
Architect
http://ecastrom.blogspot.com
demo

Autodiscover and Tracing
The EWS Managed API includes a built-in Autodiscover client
All the logic required to discover the Autodiscover endpoint is taken care of
One line auto-configuration
Tracing
Shows all the steps the EWS Managed API goes through to find the Autodiscover endpoint
Useful to debug Autodiscover configuration issues
Works throughout the API, not only Autodiscover

Full Private DL Support
Support for all operations on Private Distributions Lists (aka “groups”)
Create, update, modify, delete
Add, update, remove members

UserConfiguration and FAI
Create and retrieve UserConfiguration objects
Store XML, binary data or key/value pairs
Create and find Folder Associated Items

Enhanced Time Zone Support
Support for a different TZ for start and end times
EWS Managed API makes it very easy to specify time zones
Improved reliability when time adjustment rules change

Availability Service
Free/busy information
Meeting time suggestions
Now very easy to use via the EWS Managed API

Wrapping It Up
Start migrating your WebDAV and CDOEx applications now
Legacy APIs have been removed from Exchange 2010
Use Autodiscover:
To figure out the appropriate EWS URL for a given mailbox,
To make your application service ready
Download the EWS Managed API Beta
Exchaneg development made easy for .NET developers

question & answer

Required Slide
Speakers,
TechEd 2009 is not producing
a DVD. Please announce that
attendees can access session
recordings at TechEd Online.
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Sessions On-Demand & Community
www.microsoft.com/learning
Microsoft Certification & Training Resources
http://microsoft.com/technet
Resources for IT Professionals
http://microsoft.com/msdn
Resources for Developers
www.microsoft.com/learning
Microsoft Certification and Training Resources
Resources

Resources
Download the Exchange 2010 EWS Managed API 1.0Exchange Web Services Managed API 1.0
Visit the Microsoft Unified Communications Developer Portalhttp://msdn.microsoft.com/uc
Visit the Microsoft Exchange Developer Centerhttp://msdn.microsoft.com/exchange
Visit the Microsoft Office Communications Developer Portalhttp://msdn.microsoft.com/ocdev
Join the UC Developer Community and Sign-up for the Dev Sandbox!http://gotuc.net

Download the EWS Managed APIEWS Managed API 1.0 Download
Get the book!
EWS basics
Things in the mailbox
Searching
Synchronization & Notifications
Advanced topics

Required Slide
© 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

Exchange 2010 Web Services

by Eduardo Castro on Sep 29, 2009

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