Outlook Connectivity with MAPI over HTTP | Microsoft Community Hub
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 requirements. …
Understanding how Outlook, CDO, MAPI, and Providers work together
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 set of …
Planning considerations for REST-based (aka new model) calendar …
Aug 12, 2022 · The REST Model The new calendar sharing model based on REST is designed to avoid MAPI issues related to conflicting permissions and multiple editing delegates. This is one of the …
Exchange 2013/2019 coexistence and client connectivity to new 2019 ...
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 2019 CU 12 server …
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).
Recommendation: Enabling Kerberos Authentication for MAPI Clients
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 Anywhere mode. In …
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:...
Managing Large Shared Mailboxes in Exchange Online – Performance ...
May 15, 2025 · The classic Outlook (Win32) client relies on MAPI and old-style caching behavior, which makes it less ideal for fast-paced shared mailbox environments. What we’re now considering: Should …
Outlook clients receive error 0x8004010f when downloading the Offline ...
Jul 1, 2019 · EDIT 10/01/2008: To read the updated (and more comprehensive) guidance for troubleshooting errors 0x8004010f, please go here. There are a multiple reasons...
Client Connectivity in an Exchange 2016 Coexistence Environment with ...
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 the mailbox …