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MsalError.UpnRequired Field

  • Reference

Definition

Namespace:
Microsoft.Identity.Client
Assembly:
Microsoft.Identity.Client.dll
Package:
Microsoft.Identity.Client v4.66.2

loginHint should be a UPN

What happens?

An override of a token acquisition operation was called in IPublicClientApplication which takes a loginHint as a parameters, but this login hint was not using the UserPrincipalName (UPN) format, e.g. john.doe@contoso.com expected by the service

Remediation

Make sure in your code that you enforce loginHint to be a UPN 
public const string UpnRequired;
val mutable UpnRequired : string
Public Const UpnRequired As String

Field Value

String

Applies to