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  1. Outlook Connectivity with MAPI over HTTP | Microsoft Community …

    May 9, 2014 · MAPI/HTTP increases the CPU load in the Exchange Client Access Servers. This is a 50% increase over Exchange 2013 RTM, however it is still lower than Exchange 2010 …

  2. Understanding how Outlook, CDO, MAPI, and Providers work …

    Apr 8, 2005 · CDO and Outlook are both MAPI applications, meaning that they use MAPI APIs to access their data, and therefore, the underlying providers. CDO and Outlook share a common …

  3. Outlook Global Customer Service & Support Team Blog

    Aug 12, 2022 · Calendar sharing in Microsoft Outlook is a feature many users rely on daily to manage their manager or team calendars. Microsoft has recently made some big changes to …

  4. New Outlook: MAPI / Exchange | Microsoft Community Hub

    May 31, 2024 · I don't think microsoft will ever try to add mapi to it because mapi is a "client side" technology that whereas the new outlook is all server side (excluding the html/css rendering).

  5. OWA Exchange 2016 Error - Something went wrong | Microsoft …

    Hi All, Trying to access to owa and receiving this error: A problem occurred while you were trying to use your mailbox. X-ClientId:...

  6. Exchange 2013/2019 coexistence and client connectivity to new …

    Apr 30, 2023 · Hey all, Some details first: Forest/Domain functional level: 2012 R2 (only one domain) 2 x Exchange 2013 CU 23 Servers in a DAG (both on Server 2012) 1 x Exchange …

  7. Recommendation: Enabling Kerberos Authentication for MAPI …

    Apr 15, 2011 · MAPI supports Kerberos authentication and the default setting in Outlook 2007 and later is to negotiate the strongest authentication available when not running in Outlook …

  8. REST instead of MAPI | Microsoft Community Hub

    Dec 6, 2018 · REST instead of MAPI At Ignite, the Outlook team said that "coming soon" we'd have the ability (in an Insider version of Outlook) to manually enable the new calendar …

  9. Shared Mailbox Send As issues | Microsoft Community Hub

    Dec 15, 2021 · Microsoft.Exchange.Data.Storage.SendAsDeniedException: Can't transport send message. ---> Microsoft.Mapi.MapiExceptionSendAsDenied: MapiExceptionSendAsDenied: …

  10. Property name (guid / namespace) scope and rules for custom …

    Oct 7, 2024 · Hello, I need to add a custom extended property on events and intend to use a "named" "single-value extended properties" as explained in extended...