We have Exchange 2016 and outlook is very slow, like emails are getting stuck in outbox. Some time the new emails delivered but old emails keep stuck in outbox
and not getting delivered at all.
I am getting below mentioned error in outlook connectivity test.
Testing the MAPI Mail Store endpoint on the Exchange server.An error occurred while testing the Mail Store.
Test Steps
I am getting below mentioned error in outlook connectivity test.
Testing the MAPI Mail Store endpoint on the Exchange server.An error occurred while testing the Mail Store.
Test Steps
Attempting to log on to the Mailbox.An error occurred while logging on to the Mailbox.
Additional Details
Mailbox logon returned EcLoginFailure -2147221231. Possible causes are: 1. The user doesn't have any access to a private mailbox or public folder messaging data. 2. There are no private mailboxes or public folders on the server. 3. The server is exiting or
is about to exit. Status Code: -2147221231