Microsoft mentioned it had restored Microsoft 365 providers after a worldwide outage disrupted Outlook, Groups and different functions for greater than 24 hours, reiterating that the disruption was not attributable to a cyberattack.
On Saturday, the corporate mentioned it had “restored service to the remaining impacted clients and areas,” directing clients to incident MO1550821 within the Microsoft 365 admin middle.
On Friday, Microsoft mentioned that the outage stemmed from an issue launched throughout an earlier community capability improve that emerged after a latest community change. “This was a technical difficulty not associated to cyber or AI/brokers,” the corporate mentioned.
The corporate mentioned it had addressed the underlying difficulty and restored providers progressively, checking stability earlier than continuing to the subsequent stage. Microsoft apologized for the disruption and mentioned it could publish a full post-incident report as soon as its evaluate is full.
The outage started Thursday, disrupting entry to Trade On-line mailboxes and options linked to Outlook, Groups and Microsoft Copilot. Authorities businesses in Japan, Singapore and the USA skilled electronic mail issues, whereas connections between Microsoft 365 and AI assistants had been additionally affected.
OpenAI mentioned the Microsoft 365 connector in ChatGPT was working usually once more, whereas Anthropic additionally marked its Microsoft 365 connector and Claude for Outlook incident as resolved.
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