Will Graph List User API return users with empty userPrincipalName?

Question

Is it possible that MS Graph List User API returns users with empty or null userPrincipalName? And what would be the cases if so?

Answer 1

Hi @Scott Jiang

No!

This property is required when you create a user, and it does not return a null value.

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Answer 2

It's not possible that MS Graph List User API returns users with empty or null userPrincipalName.
userPrincipalName is required property for user.

We have tried to create user without userPrincipalName but its showing error.

Thanks,
Nivedipa

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