Entra - Cloud Business & Technology

Easter Egg: User blocked during Easter - cause and solution

23. April 202523. April 2025 by Yannic Graber

Over the Easter weekend of 2025, many organizations using Microsoft Entra ID (formerly Azure AD) were caught off guard when a significant number of users were suddenly blocked from accessing corporate resources. The cause? Entra ID categorized these accounts as “high risk” due to “leaked credentials”. Conditional Access Policies blocked these users from attempting access due to the existing risk. In this post, I'll explain what happened, why it happened, and most importantly, provide a simple and secure solution to the problem.

AADSTS50131: Device is not in required device state

17. August 2023 by Yannic Graber

Banner for blogpost on how to resolve aadsts50131 error

The error "AADSTS50131: Device is not in required device state" is not encountered every day. But when it does occur, many are often at a loss. Not least because this error and its cause is hardly documented or difficult to find. You can find out how to fix the AADSTS50131 error here.