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Outlook is not syncing and giving a "Need password" message

I have several users that over the last 1-2 months increasingly have experienced that their Outlook wont sync. All of them then experience as message in the bottom of the Outlook screen that says "Need password", but if you click it, you just get a quick blink of a white screen, and then it disappears.

While the issue is present for the users, it is not possible for them to create a new Outlook profile, as it wouldn't connect to the mailbox. I had luck with just rebooting my own computer, that fixed the issue for me, but only until the next day. Other users had bigger problems getting it to work.

The issue apparently seems to be an implementation on "Web Account Manager" (WAM) in Office/Windows. The solution is to set below registry key to 1 in below path.

Path: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity
Key: DisableADALatopWAMOverride (DWORD)

There is a bit more information on the error on below links. As said, the issue is resolved with above registry fix, but it obviously isn't optimal, and preferably it would be fixed by a software patch, either for Windows or Office.

https://support.microsoft.com/en-us/help/4025962/you-can-t-sign-in-after-you-update-to-office-2016-build-16-0-7967-or-a
https://www.reddit.com/r/Office365/comments/7kklt2/autodiscover_issue_on_outlook_2016_o365_exchange/
https://community.spiceworks.com/topic/2025536-outlook-2016-365-keeps-asking-for-credentials?page=3

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Rasmus Dybro shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

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