O365 Server/Authentication Issues

Incident Report for Internal System

Resolved

This incident has been resolved.

Posted Mar 12, 2026 - 08:24 CET

Identified

The issue was caused by an internal change to our Conditional Access policies, which resulted in unexpected re-authentication prompts for some users. We are further investigating the problem and get back with updates.

Posted Mar 11, 2026 - 16:17 CET

Investigating

We are currently seeing minor service issues affecting Microsoft 365. As a result, some users may be required to sign in again unexpectedly, or may have already been prompted to do so. We are monitoring the situation and will provide updates as more information becomes available.

Posted Mar 11, 2026 - 16:01 CET

This incident affected: General (Office 365).