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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. 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 …

  5. 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).

  6. 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 …

  7. 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:...

  8. Can't empty deleted items folder - Microsoft 365

    Dec 8, 2018 · Hi Have a problems with Office 365 / Outlook 2016 / Exchange Online Plan 1 I have a service mailbox which has 60000 emails in deleted items folder...

  9. Disable replication in mapi network : | Microsoft Community Hub

    Sep 22, 2023 · The MAPI network is the network that is used by Outlook and other clients to connect to Exchange servers. It is also the network that is used by Exchange servers to …

  10. Client Connectivity in an Exchange 2016 Coexistence Environment …

    Oct 28, 2015 · For MAPI/HTTP clients, an Exchange 2013 Client Access server will authenticate the user, do a service discovery, and determine that the mailbox version is 2013 and where …