More articles on Exchange Client throttling…

To get more information on Client Throttling policies, you can refer the following articles: General information about client throttling policies More Throttling changes for Exchange Online Exchange Online EWSMaxSubscriptions throttling budget calculation  EWS Throttling in Exchange Online Effects of Throttling on your Deployment in Exchange 2010 SP1 EWS best practices: Understand Throttling policies Exchange Server…


Exchange throttling: MAPI application fails with error “The information store could not be opened. [MAPI 1.0 - [MAPI_E_LOGON_FAILED(80040111)]]”

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)]]” while attempting to connect to Exchange server 2010. After some days of…


Download: Exchange Web Services (EWS) Managed API 1.2.1

Now, you can download the latest Exchange Web Services (EWS) Managed API 1.2.1 (version 14.03.0067.001) @ two flavors – 64-bit, 32-bit. It provides a managed interface for developing client applications that use Exchange Web Services.  The latest EWS Managed API 1.2.1 includes new Exchange Web Services (EWS) client logging features for Exchange Online as part…


Client Shutdown in MAPI (Outlook 2010 fast shutdown)

I am sharing this as couple of my customers were enquiring is there any changes or effects of Client Shutdown in MAPI (Outlook 2010 fast shutdown).  MAPI clients can shut down the same way as before, or if needed, they can use fast shutdown. In Outlook 2010, MAPI subsystem provides the IMAPIClientShutdown : IUnknown interface….


"MAPI_E_FAILONEPROVIDER" when you try to connect to a mailbox on an Exchange 2010 from an Exchange 2003 server

Recently one of my customer updated that when he tried connecting to a mailbox that is located on a  Exchange Server 2010 from Exchange Server 2003 by using a custom MAPI/C++ application. But it failed and it thrown the following error message: “MAPI_E_FAILONEPROVIDER”. As part of troubleshooting the issue, we tried using MFC MAPI utility…


How to: Determine which Microsoft .Net Framework version and service pack installed?

This is one of our frequent question: How to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed? You can use the registry information below to determine which version(s) and service pack level(s) of the Microsoft .NET Framework are installed. .NET Framework Service Pack Level Registry Key Name Value 4…

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Download and Try: Microsoft Lync Server 2010 Release Candidate

  Lync Server 2010 ushers in a new connected experience transforming communication into an interaction that is more collaborative, engaging and accessible from any location with internet connectivity. A single interface unites voice, IM, audio-, video-, and web-conferencing into a richer, more contextual offering and a single identity makes it easier and more efficient for…


Security warning: The name of the security certificate is invalid or does not match the name of the site

Recently i started MS Outlook 2007 and tried connecting to a mailbox that is hosted on a mailbox server that is running Microsoft Exchange Server 2010 inside the local network. I received the following security warning “The name of the security certificate is invalid or does not match the name of the site.” During my…


Developer : Does Exchange Client Extension (ECE) deprecation matters me?

Per Randy’s blog post, Exchange Client Extension (ECEs) deprecation does (for Outlook 2010) matters the developers. For more information please refer the excerpts of the blog post: “For most Outlook users, this announcement will not concern you. However, if you are a developer that uses Exchange Client Extension interfaces to build a solution in Outlook,…