A user reports that they cannot access the company's HR application, which requires Microsoft Entra ID authentication. The user can access other apps that also use Entra ID. What is the most likely cause?
Conditional Access policies provide granular control over access to specific cloud applications based on various conditions, such as user location, device state, or sign-in risk. An administrator could have configured a policy specifically targeting the HR application to block access under certain circumstances, while allowing access to other applications that are not subject to the same restrictive policy. This targeted enforcement is a core capability of Conditional Access and aligns perfectly with the observed behavior.
Why this answer
The user can access other Microsoft Entra ID-integrated apps, which rules out account-level issues like a disabled account or expired password. A conditional access policy can target specific applications, so it is the most likely cause of the block on just the HR app.
Exam trap
The trap here is that candidates often assume a user-specific issue (like disabled account or expired password) when they see a single user blocked, but the key clue is that other apps work, pointing to an app-specific conditional access policy rather than a global or user-level problem.
How to eliminate wrong answers
Option A is wrong because if the user's account were disabled, they would be unable to access any Entra ID-authenticated app, not just the HR app. Option B is wrong because a tenant-wide block would prevent all sign-ins for all users, not just this user's access to one app. Option C is wrong because an expired password would affect authentication to all apps using the same Entra ID tenant, not selectively block one app.