Microsoft confirmed that a technical issue related to a recent network capacity upgrade led to a global service disruption, dismissing cyberattack or AI-related causes. The company identified the problem as a result of an upgrade that affected its global infrastructure, causing delays and outages across various services. The issue impacted users in multiple regions, with some experiencing prolonged connectivity problems. Microsoft stated that the problem was resolved, and services are now fully operational. The company emphasized that no security threats were involved, and the incident was purely technical. The outage occurred over a 24-hour period, affecting cloud computing, email, and collaboration tools. Microsoft is reviewing the incident to prevent future occurrences. The company has not provided further details on the specific nature of the technical issue.