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 …
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 …
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 …
Issue in SendOnBehalfTo | Microsoft Community Hub
Apr 13, 2020 · I Have a client having issue while trying to sendonbehalf email from Shared Mailbox which end user have SendOnBehalfTo permission. When he select From...
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 …
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: …
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 …
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 …
Can't empty deleted items folder - Outlook 2016 ... - 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...
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:...