Graph API returns User Not Found 401

Question

Hello, I try to post a question regarding an issue with my Entra ID license in connection to an App Registration via Azure. However, despite following the rules of posting, it still keeps deleting my question:

Answer 1

Hi @Dominik

We have checked the issue you published, the error may be caused by the user does not have the MS 365 License, please check whether the user has a valid License in Azure AD, as shown below:

Hope this helps.

If the reply is helpful, please click Accept Answer and kindly upvote it. If you have additional questions about this answer, please click Comment.

Answer 2

Does the user whose presence you are trying to retrieve have a valid Teams license assigned? If you are testing this with your own subscription, have in mind that Entra ID Premium licenses do not include Teams. You can sign up for a free trial for Microsoft 365 to get this functionality.