Outlook : How to regenerate free/busy information using MFC MAPI?

Recently one of my customer reported that Outlook is not showing latest free/busy information for selected users. Initially they tried the following steps for the affected users: Exit Outlook Open Command prompt > Open Outlook with cleanfreebusy switch (outlook.exe /cleanfreebusy) It failed to resolve the issue.   During troubleshooting we noticed that these issue may occur…

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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…