A major outage disrupted Microsoft services across the US, affecting Outlook, Microsoft 365, Teams, and Azure. However, the company has confirmed that the outage has now been restored.
“Following our reversion of the problematic code change, we’ve monitored service telemetry and worked with previously impacted users to confirm that service is restored. Please refer to MO1020913 in the admin center for detailed information,” the company said in a post on the social media platform X.
How the Microsoft outage affected users
The outage, concentrated in major cities like New York and Los Angeles, started around 3.30 AM IST and caused widespread disruption among users. Online outage tracking platform Downdetector received over 37,330 complaints about Outlook alone, with thousands more reporting issues with other Microsoft services. Many users took to X to express their concerns and seek updates on the situation.
61% of affected Outlook users reported server connection problems, 20% complained about the app, and 19% about the website. Nearly 26,000 users also noted issues with the Microsoft 365 service. 42% of these users faced issues with login, 37% reported problems with Outlook, and 21% raised exchange reports.
What Microsoft said about the outage
Microsoft acknowledged the issue on X. In a thread of posts on the Microsoft 365 Status page, the company wrote: “We’re investigating an issue in which users may be unable to access Outlook features and services. Additional details can be found under MO1020913 in the admin center.”
“We’re reviewing available telemetry and customer provided logs to understand the impact. We’ve confirmed this issue is impacting various Microsoft 365 services. Refer to MO1020913 for more detailed information,” the company added.
Microsoft also noted: “We’ve identified a potential cause of impact and have reverted the suspected code to alleviate impact. We’re monitoring telemetry to confirm recovery. Refer to MO1020913 for more detailed information.
Our telemetry indicates that a majority of impacted services are recovering following our change. We’ll keep monitoring until impact has been resolved for all services. Refer to MO1020913 or https://portal.office.com/ServiceStatus for more detailed information.”