If you have feedback for TechNet Support, only occurs on Outlook, I agree with the moderator in the Office 365 Community forum that it should be an Outlook client issue. Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. Menu, point to New, then select DWORD Value. HKEY_CURRENT_USER\Software\Microsoft\Exchange
To do this, use one of the following procedures, as appropriate for your situation. You can check the connection status to verify this. This problem occurs when Outlook is connecting to your mailbox via MAPI over HTTP. It only occurs on Outlook, I agree with the moderator in the Office 365 Community forum that it should be an Outlook client issue.Īlthough it's for Outlook 2013, I think it should also work for Outlook 2016.