When user log in to the app how to Verify the deleted users and the users whose password has changed in AD in Windows 8.1 Store app

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Hi,

am developing a Windows Store 8.1 app using C# and xaml.

I am performing single sign on using Azure Active Directory Account login.

Case 1: I have added few users in Active directory and log in with the "X User"credentials in the app.
When i delete that X user in AD and i try reopen the app and it is saying that the X User is logged in, even though the user is deleted in AD. After 1 hour it is asking the user to log in.


Rather than displaying the X user is already logged in, immediately i want to display log in screen to the User to log in, this is one case

Case 2: When i change the password of X user in Active Directory and when i reopen the app it is not asking user to log in with the new password, it is displaying the X user is already logged in

In both the scenarios i want to display the log in screen to the user to log in

How can i achieve this?