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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...

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)]]...

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...

The below two are the two the queries raised by the customers who have Exchange Server and Project Server at their end that I worked, “How to configure Project Server 2010 with Exchange Server 2007 or Exchange Server 2010?”. Based on that I am adding the related info at this blog post which can be useful...

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...

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...

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...

  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...

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...

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...