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We recently resolved a case where a customer tries accessing Exchange Server 2010 mailboxes (DAG) via their custom Exchange MAPICDO based application. On average 2-3 days once, they're frequently facing an error “The information store could not be opened. [MAPI 1.0 - [MAPI_E_LOGON_FAILED(80040111)]]...

Windows Azure Virtual Machines – Part I (Windows) Corey Sanders, Principal Program Manager, Windows Azure : Learn how to create and manage Windows Virtual Machines in Windows Azure Windows Azure Virtual Machines – Part II (Linux) Henry Jerez, Sr. Program Manager, Windows Azure : Learn how to create and...

In Exchange Server 2007/2010, you can use Exchange PowerShell cmdlets (especially using Get-Mailbox, Get-MailboxPermission, Get-ADPermission, Get-MailboxFolderPermission) to get a verity of info. I played with couple of the below in different scenarios and want to share the same with you – so that you...

Public Folders are used in earlier versions of Microsoft Exchange Server to store free/busy data and files. From Microsoft Exchange Server 2007, free/busy data is no longer stored in public folders. It’s recommend that you do not store files in public folders in Exchange 2007. Instead, consider...

As you know using CDO 1.2.1 (Collaboration Data Objects, version 1.2.1), a package providing access to Outlook-compatible objects through a COM-based API. Using CDO, a program can connect to a MAPI store, and then perform operations against that store, including creating and processing calendar items...

You can download the latest MFC MAPI utility to view GAL entries, which uses the Messaging API to provide access to MAPI stores through a graphical user interface. Try the following steps: 1) Open MFC MAPI utility. Select Session menu and select “Logon and Display  Store table” ( I chosen for this...

LG Electronics (LG) and Microsoft collaborate on developer program for a new mobile platform. LG and Microsoft announced that they are teaming up to provide customers with a free selection of quality applications for LG customers with Windows Phone 7 handsets. LG and Microsoft will subsidize a revolving...

You can collect information about client requests by enabling logging for sites and services. IIS logs are stored in %SystemRoot%\system32\Logfiles\<service_name>. If you examine the IIS/Exchange log file you will see the request for the sample application being handled by IIS - you can notice...

I would like to share certain best practices - in order to improve the performance or overcome performance related issues associated with event sink and Programming guidelines for event sinks before you develop for your reference. Exchange store events do not by themselves generate Windows Event...

You can download the Update Rollup 3 (thanks, Greg for helping here) for Exchange Server 2007 SP2 (x86/x64). It resolves issues that were found in Exchange Server 2007 since the software was released. This update rollup is highly recommended for all Exchange Server 2007 customers. Per MSExchangeteam...

Recently one of my customer updated that they get an different issue with their ASP application. This application running on their Web server that uses MAPI to read the Contacts folder in the Public Folders from Exchange Server 2003 SP2 machine. The user can retrieve his email in outlook and browse the...

One of my customer had created an Outlook Add-in using VSTO & Outlook Object Model (OOM). As per the business logic, he need to implement the WebViewURL in it. The MAPIFolder.WebViewURL works fine and take’s us to set value to it most of the times, but it doesn’t function as expected in some time;...

Per the support KB , Microsoft PSS has the support policy for customization of Outlook Web Access for Exchange that cover its versions like 5.5, 2000 & 2003. Per the article, we can get more information regarding the support policy for OWA customization for its various versions like, “…The Exchange...

Using PFDAVAdmin we need to use the "Show deleted subfolders" option which enumerates any deleted subfolders of the currently selected folder. Note that the deleted folders are preserved only if Deleted Item Retention has been configured on the public store. Any such folders appear in red....

One of my customer reported that they have a store event sink, which is used to modify the stream of incoming messages in Exchange Server environment (2003). But their attachments are missing when they open & view the message in Microsoft Outlook or in Microsoft Outlook Web Access (OWA); But contrarily...

One of my customer had migrated from Exchange server 2000 to Exchange Server 2003, where had an event sink registered on a mailbox store. But his Store.exe (Exchange Information Store service) stops responding for one of the following events: • You restart the Microsoft Exchange Information Store...

When i am working with my customer with regards to Exchange store event sink, he reported it's not working as expected. There is no issues in the Event viewer and no error it thrown. We tried with Microsoft Exchange Server 2007 environment, the store event sink does not run as expected. Note: The event...

One of my customer who has reported that on Exchange Server 2000 his Store event sink (onSyncSave) for global events causing the notifications for the couple of empty flags. When we analyzed his event sink, he registered it as, regevent add onsyncsave sink.sink.1 "file://./backoficestorage/%userdnsdomain...

Have you register an Exchange 2000 store event sink globally on the mailbox store, the sink fires for the appropriate events (OnSyncSave, for example) for all folders in a mailbox. However, the sink does not fire for events in the Outbox or the Sent Items Folder? For example, when a user sends an...

Exchange Web Services Message cycle When a client application requests information from the Exchange store, an XML request message that complies with the SOAP standard is created and sent to the Exchange server. When the Microsoft Exchange server receives the request, it verifies the credentials...

Welcome to Exchange Server Development Technologies - Series # 1 In this series, we will discuss about the Exchange Rules. This topic provides information about using Exchange Rules to develop messaging applications. Exchange rules are typically used to specify user-defined actions that are...

Please find this wonderful article, which talks about " How to get item property values using WebDAV ". This article has good example's in VB.Net, C#.Net, C++.Net and VBScript. It talks about, how you can construct the XML body of a WebDAV PROPFIND Method manually. The request is for the displayname...

Whenever if we work with event sink, we need to check the event registration, what're the associated items, its item properties and its importance (whether it is required or not)... Event Registration To receive event notifications, you must register with Exchange by creating and saving event registration...

Advanced Queuing Engine - SMTP Architecture The advanced queuing engine is a key component in Exchange 2003 message handling, because all messages must pass through this engine, even when sender and recipient are located on the same server running Exchange Server 2003. This enables Exchange Server...

Event sink registration - Best practices It's must to know when we try to register the event sink in Excahge environment. The following guidelines are helpful when you create event registration items: The scope of an event sink is restricted to a single store. Event registration items...