The Microsoft Exchange Server computer is not available. Unable to open your default e-mail folders. When you start Microsoft Office Outlook by using a profile that includes a mailbox on a server that's running Microsoft Exchange Server 2010, Exchange Server 2013, or Exchange Server 2016, you may receive the following error messages:Ĭannot start Microsoft Office Outlook. Once the required options are set, click on OK.The article only applies to the Microsoft Outlook connection issues that are caused by the RPC encryption requirement. Similarly you can switch between other mailbox protocols from this page. This will open the mailbox properties page, now click on Mailbox Features tab â†’ Select MAPI and then click Disable. To disable MAPI using EMC, open Exchange Management Console â†’ expand Recipient Configuration â†’ click on Mailbox â†’ select the mailbox for which you have to disable MAPI â†’ click on Properties from the action pane as shown below. Disabling MAPI on Mailbox using Exchange Management Console.

In this article we will run through both processes to disable MAPI for a mailbox Test01. You can disable MAPI access either through Exchange Management Console or through Exchange Management Shell. Disable Outlook or MAPI Access in Exchange 2010 Mailbox User can still access emails through Outlook Web App, POP email clients or using an IMAP Client if the mailbox is enabled to support access by those clients. However, mailbox will continue to receive emails. When you Disable Outlook or MAPI Access in Exchange 2010 Mailbox, the user will no longer be able to connect to mailbox from Outlook or other MAPI clients. It is a set of functions that mail-aware and mail-enabled applications use to create, manipulate, transfer, and store mail messages. MAPI (Messaging Application Programming Interface or Messaging API) provides the messaging architecture for Microsoft Outlook and other messaging clients.

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