Microsoft scrambles to restore services after major outage hits users worldwide

A significant disruption to Microsoft services, including Outlook, Teams, and Copilot, stretched into Asia-Pacific business hours on Friday, affecting thousands of users in the US, Australia, Japan, and other countries. The tech giant struggled to fix server problems it blamed for the outage. This incident marks the second disruption to Microsoft's 365 services this year, raising concerns about the company's reliability.

The outage impacted government agencies in Australia, Japan, and the US, as well as companies like OpenAI and Anthropic. Microsoft reported that it had applied adjustments to the affected servers, but they did not result in sustained recovery. However, some partial recovery was observed in regions where the adjustments were applied. The company stated that it was reviewing additional actions to improve overall infrastructure stability.

According to Downdetector, which tracks outages by collating status reports from various sources, over 18,000 reports of Outlook problems were recorded in the US at 11:30 p.m. ET. The site also showed outages for several Microsoft services in the Asia-Pacific region, including India, Australia, and Japan, early Friday local time. At its peak, Downdetector reported over 130,000 reports of Outlook problems in the US around 1 p.m. ET on Thursday.

The outage lasted for about 12 hours and affected features of Microsoft 365 services that depended on Exchange Online and email. Elements that did not rely on Exchange Online remained functional. Exchange Online is Microsoft's cloud-based messaging platform that delivers email, calendar, contacts, and tasks. The company stated that it was not aware of any malicious activity causing the outage.

Australian Home Affairs and Cyber Security Minister Tony Burke said that Microsoft believed it was not dealing with a cyberattack. Instead, the company thought it was dealing with an issue similar to what was seen with CrowdStrike, where an update had gone awry. Burke made these comments at a press conference.

This incident highlights the importance of robust infrastructure and reliable services, particularly for large corporations and government agencies. The repeated failures of Microsoft's 365 services may lead corporate clients to question the company's reliability. Microsoft's efforts to restore services and improve infrastructure stability will be crucial in addressing these concerns.

The outage has caused significant disruptions to users worldwide, emphasizing the need for effective solutions to prevent such incidents in the future. As Microsoft continues to investigate and address the issue, users will be watching closely to see how the company resolves the problem and prevents similar outages from occurring.

Key points

• Microsoft services, including Outlook, Teams, and Copilot, were disrupted, affecting thousands of users worldwide.
• The outage was not caused by malicious activity, but rather by server problems.
• This incident marks the second disruption to Microsoft's 365 services this year, raising concerns about the company's reliability.