标签： asp.net-mvc azure-ad-b2c azure-authentication owin-security
Identity属性不包含外部用户的UPN声明。这是预期的行为吗？以前有人对此有疑问吗？虽然https://docs.microsoft.com/en-us/previous-versions/aspnet/mt152195(v%3Dvs.113)内部用户存在UPN声明！
https://docs.microsoft.com/en-us/previous-versions/aspnet/mt152195(v%3Dvs.113)