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…