The services of the technology company Microsoft, including Microsoft Outlook and Microsoft Teams, suffered a global outage this Thursday, as confirmed by the company. Microsoft, considered the largest software company in the world, saw its platforms suffer a simultaneous interruption.
First, the technology company acknowledged identifying failures for users to access Exchange Online mailboxes, its cloud email in America. But then it spread.
Microsoft 365, Microsoft's platform that brings together work tools such as Outlook, Teams, Word, and Excel, continues this Friday with failures that make it difficult for its users to access email, manage meetings, and use its artificial intelligence assistant.
Microsoft is trying to stabilize its cloud infrastructure after a massive outage that began this Thursday, which is causing serious failures in about twenty corporate and educational tools worldwide, according to the latest technical report published by the company.
The company has begun to apply a patch to its authentication and routing component that is starting to show "positive results in server stability," it has indicated.
So far, there is no indication that the incident is being caused by any malicious activity, it has pointed out.
Exchange Online Outage
The origin of the crisis lies in an outage of Exchange Online, the technology company's cloud email engine, a failure that has spread in a cascade to all services that depend on Exchange to consult mailboxes, calendars, permissions, or shared files.
According to Microsoft's official incident report, the impact extends to about twenty key applications, so users are experiencing blocks in accessing Outlook (on web, desktop, and mobile) and delays in email delivery.
In Microsoft Teams, although basic group calls and chats are working, it is impossible to schedule, edit, or view meetings in the calendar, as well as to create private channels or live events.
Microsoft Copilot 365
Regarding its artificial intelligence, Microsoft Copilot 365 is experiencing loading errors and cannot access work data such as emails, calendars, or documents.
For its part, SharePoint Online allows opening local files but blocks sharing with users outside the organization, while Planner and To Do are experiencing continuous failures.
The Microsoft 365 administration center itself is suffering outages that prevent technicians from managing their accounts, forcing Microsoft to post its notices on its public support website.
Microsoft has stated that once the incident is resolved, it will publish a report on the cause of the failure and the corrective measures taken.
Public service desks at numerous banks, courts, private companies, and government offices have been interrupted in several Asia-Pacific countries.
A Microsoft executive rules out a cyberattack
Microsoft's Executive Vice President of Copilot, Charles Lamanna, ruled out that the global outage of the tech giant's services was caused by a cyberattack.
"For now, I can confirm there are no indications that this is the result of malicious or cyber activity," Lamanna, who holds the position of Vice President of Copilot, Agents, and Platforms at Microsoft, considered the world's largest software company, wrote on X.
In the same post, he lamented the disruptions that have affected services such as the Outlook email manager and the Teams videoconferencing platform "in any region" of the world.
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