Microsoft outage causes issues with multiple services: ‘Now seeing signs of recovery’

NEW YORK ( WPIX ) — Microsoft is investigating after tens of thousands of people reported issues with Microsoft 365 services, the company said Thursday morning.

Around 9 a.m. ET, over 23,000 people had reported issues with Microsoft 365 to Downdetector. The issue impacted Outlook, Teams, cloud services, Exchange Server, Skype for Business Server, SharePoint, and more, according to Downdetector .

About 75% of the issues reported on Downdetector were related to Outlook, though there were reports of issues with Teams and the Microsoft Store, among other Microsoft services.

The company said it is investigating issues with multiple Microsoft 365 services.

“We’re investigating an issue where users may be unable to access multiple Microsoft 365 services,” a representative of Microsoft 365 wrote in a post shortly after 8:30 a.m. ET.

A little over an hour later, Microsoft provided an update: “We’re reviewing network telemetry and recent changes to our networking infrastructure. Additionally, we’re working with a third-party ISP to understand the underlying cause.”

Shortly after 10:00 a.m. ET, Microsoft said it had “confirmed that a change with a third-party ISP’s managed-environment” was to blame for the issues.

“The ISP has reverted the change and we’re now seeing signs of recovery,” the company wrote.

Microsoft did not identify the internet provider it was working with. However, reported issues with AT&T on Downdetector also spiked when Microsoft services issues arose.

Users on X also noted problems accessing Microsoft services while using AT&T. As of 10:20 a.m. ET, reports of problems accessing Microsoft and AT&T on Downdetector had greatly declined.

Thursday’s outage comes after issues with CrowdStrike in July, whose network update caused disruptions with Microsoft Windows operating systems, as well as banks, media companies, and hospitals .

Major airports were also impacted by the CrowdStrike outage, with flights grounded out of Newark Liberty Airport, John F. Kennedy Airport, and LaGuardia Airport.

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