Thousands of Microsoft 365 users are reporting outages on Thursday, Jan. 22, according to Downdetector.
At the peak of the outage, more than 15,000 people reported Microsoft 365 outages at around 3:15 p.m. ET. But as of 8 p.m. ET, those reports have subsided to about 2,000.
The majority of people (66%) reported issues with Microsoft Exchange, the tech giant’s enterprise messaging and collaboration platform that provides business-class email, calendars, contacts and tasks.
Roughly 26% are having issues with the Microsoft 365 Administration Center, largely used by IT teams.
In its latest post at 7 p.m. ET, Microsoft said it was still working to fix the issues.
“We’re continuing to refine our load balancing configurations to address residual imbalances across the environment,” they said.
When issues first began to be reported, Microsoft quickly acknowledged the fault and said that it was working to get services back up as soon as possible.
“We’re investigating a potential issue impacting multiple Microsoft 365 services, including Outlook, Microsoft Defender and Microsoft Purview,” Microsoft shared on an X account at 2:37 p.m. ET.
In a follow-up post at 3:17 p.m. ET, the account said, “We’ve identified a portion of service infrastructure in North America that is not processing traffic as expected. We’re working to restore the infrastructure to a healthy state to achieve recovery.”
As of 4:14 p.m. ET, Microsoft said on X that it had “restored the affected infrastructure to a healthy state.”
“We’re directing traffic to alternate infrastructure to achieve recovery,” it said.
USA TODAY contacted Microsoft about the reported outages on Jan. 22, but did not receive an immediate response.
This story has been updated to add new information.