Outlook 2016 continually prompts for login credentials (Number 2)

for Office 365

Information updated on 29/09/2017 at 14:10 (GMT+9)

This issue may be caused by the partial change in the user agent of Outlook 2016.


For customers who encounter a problem of not being able to login to Outlook 2016, there is a possibility that the access is being denied by HENNGE Access Control Policy. Please confirm the current setting of Access Policy and modify as shown below.

Login to HENNGE Access Control Admin Console > Access Policy Group

[Specify the following condition to allow Desktop/Mobile application access]
Example
Original value:
ip4:111.111.111.111 or uastr:"%Outlook%"

Edit to :
ip4:111.111.111.111 or uastr:"%Outlook%" or uastr:"%MAPI%"

If you have any questions or concerns, please contact your Success Guide for assistance.

          
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