authentication failures

Microsoft confirmed a regional outage that left Outlook and Exchange Online users in North America struggling with login failures, server-connection errors and delayed mail delivery, then rolled back changes and applied optimizations to restore service — while choosing not to publish full...

Microsoft is currently experiencing a significant outage affecting the Microsoft 365 Admin Center, rendering administrators unable to access essential management tools. This issue, which began on July 24, 2025, has persisted into the following day, marking the second such incident this week and...

On July 9, 2025, at approximately 10:20 PM UTC, Microsoft Outlook experienced a significant global outage, leaving millions of users unable to access their email accounts across web, desktop, and mobile platforms. Scope and Impact of the Outage The disruption affected users worldwide, with...

On July 10, 2025, Microsoft Outlook experienced a significant global outage, disrupting email access for millions of users worldwide. The disruption began around 6:20 p.m. Eastern Time on Wednesday and persisted into Thursday, affecting both individual and enterprise users. Scope and Impact of...

On June 13, 2025, Microsoft 365 users across Asia Pacific, Europe, the Middle East, and Africa experienced significant authentication disruptions, preventing administrators from adding multifactor authentication (MFA) sign-in methods to user accounts. This service degradation underscored the...

For administrators and IT departments relying on Windows Server domain controllers, recent months have been marked by a tense waiting game following a critical network issue that affected the accessibility and reliability of Windows Server 2025 systems. Affected installations faced sudden...

When Microsoft's monthly security updates promise stronger defenses, IT professionals and organizations worldwide often breathe a sigh of relief. Yet, as the April 2025 security updates reached Windows Server platforms, a ripple of concern spread through enterprise environments. The update...

A major service disruption struck Microsoft 365 users recently, underscoring the importance of robust cloud infrastructure, transparent communication, and effective incident management for millions of organizations worldwide. Within minutes of the first reports of trouble, Microsoft officially...

Microsoft Teams File Sharing Outage Signals Growing Strains on Microsoft's Cloud Reliability In a development that has caught the attention of thousands of users globally, Microsoft Teams—the cornerstone collaboration tool for many organizations—has recently faced a significant file sharing...

Microsoft's warning regarding Windows Server 2025 domain controllers has quickly sparked discussions among IT professionals and system administrators worldwide. Following an update to its release health dashboard, Microsoft alerted users that restarting servers hosting the Active Directory...