Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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user is listed into directory , license is assigned but have this error message :
The user account @@@@@@@.com does not exist in the 6aa176a1-66a6-4349-9e81-16a30ddd521a directory. To sign into this application, the account must be added to the directory.
Samuel Jayden Nkouanga, 6 min
Looks like this account which is throwing an error is provisioning as both Microsoft account and also as work or school account.
When user tries to login it is considering user's Microsoft account and hence it is failing to search for user in Azure AD.