Furthermore, on Windows devices, some of the security-related features are available exclusively via WAM and are otherwise not possible. Starting with build, Microsoft 365 apps use Web Account Manager (WAM) for sign-in workflows on Windows builds that are later than 15000 (Windows 10, version 1703, build 15063.138).ĪDAL enables sign-in features such as Multi-Factor Authentication (MFA), smart card, and certificate-based authentication for Office client apps across different platforms. Microsoft 365 apps (for example, Office client apps) use Azure Active Directory Authentication Library (ADAL) framework-based Modern Authentication by default.
#Outlook 365 sign in update#
Microsoft does not recommend to disable ADAL or WAM, even though this can resolve the above issues.
#Outlook 365 sign in password#
The issue in this case manifests with the password not being displayed for Offi9ce 365 apps in Citrix VDA servers running Windows Server 2019.
The issue does not occur in Windows Server 2016. This login and authentication issue has come up to various customers using Microsoft 365 inside an EUC environment, such as Citrix Virtual Apps and Desktops running on Windows Server 2019.
Specific errors are displayed in Office apps or the sign-in user interface.Sign-in window doesn’t show up, is blank, prematurely disappears, or gets stops working.Unable to sign in: Repeated password prompts, “Credentials Needed”, or “Needs Password” statuses.Some common symptoms of the issue are the following: You are facing issues when trying to login to Microsoft 365 apps, such as Outlook 365.