EWS Managed API 1.2 SDK – get ready, get set, plan

Are you ready? The EWS Managed API 1.2 documentation is now available, so let the preparation, planning, and architecting begin. The new EWS Managed API will have some updates that you may want to incorporate into your application. Take a look at the What’s New topic to learn more about the new content that is…

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Disabling EWS in Exchange 2010

Exchange Web Services (EWS) is a robust API that exposes many Exchange client access features. Many popular clients use this API on many different platforms. What if you want to limit client access via EWS, however? You do have an option. In Exchange 2010, you can use the Set-CASMailbox command to modify EWS access. Note:  …

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JET_ERRINFOBASIC_W API

UPDATE: 8 November 2011, Thom Randolph – MSFT. The following API reference information in this post applies to the Windows Extensible Storage Engine (ESE) APIs, that are available on MSDN at the following URL: http://msdn.microsoft.com/en-us/library/windows/desktop/gg269259(v=EXCHG.10).aspx The ESE APIs that ship in Windows should not be used with Exchange mailbox or public folder databases.   The…

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Provisioning, Policies, Remote Wipe, and ABQ in Exchange ActiveSync

This post is part of an ongoing series that covers Microsoft Exchange ActiveSync for developers. Microsoft Exchange ActiveSync policies are the primary tool by which IT administrators can manage devices that connect to Microsoft Exchange mailboxes. Administrators can create policy settings to manage security settings such as PIN length, data encryption, and so on. Policies…


Working with meeting responses in Exchange ActiveSync

This post is part of an ongoing series that covers Microsoft Exchange ActiveSync for developers. This post applies to Exchange ActiveSync protocol version 14.1. Where applicable, differences between protocol versions are noted. The ability to respond to meeting requests is an important aspect of collaboration and communication for Microsoft Exchange users. Responses to meeting requests…


Working with meeting requests in Exchange ActiveSync

This post is part of an ongoing series that covers Microsoft Exchange ActiveSync for developers.  In this post, we are using Exchange ActiveSync protocol version 14.1. Where applicable, we note differences between protocol versions. Meeting requests are important for information workers who use Microsoft Exchange. Meeting requests inform attendees of a meeting, automatically book meeting…


Client access server affinity and network load balancing considerations for programmatic access to Exchange Online

Network load balancing for Microsoft Exchange Online as part of Microsoft Office 365 ensures that tenant client access loads are properly balanced. Network load balancing also has implications for Client Access server affinity. Some stateful client features require Client Access server affinity. This is because some state information is cached on Client Access servers. Both…

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Autodiscover for Exchange ActiveSync developers

This post is part of an ongoing series that covers Microsoft Exchange ActiveSync for developers. Autodiscover is a process by which a Microsoft Exchange Server client can determine the URL of the Microsoft Exchange ActiveSync endpoint by using only a mailbox SMTP address and user credentials. During the Autodiscover process, the client uses the mailbox…


Supplemental Exchange Server Interoperability Guidance Now Available

The Exchange Interoperability documentation team is pleased to announce the launch of Exchange Server Interoperability Guidance that supplements the information available in the Microsoft Exchange Server protocol documentation and the Microsoft Exchange Server and Outlook Standards documentation. Whether you’re an Exchange interoperability expert, just getting started, or somewhere in between, we’re confident that this supplemental…

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Exchange Online Throttling and Limits FAQ

What are the throttling settings for Microsoft Exchange Online as part of Microsoft Office 365? Before I answer this question, let me give you bit of background information. Microsoft Exchange includes bandwidth throttling to help manage server access. This supports service quality and consistent performance. The throttling components of Exchange Online are especially important, given…

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