Microsoft Office 365 Monitoring - Service Outages

On February 17, 2021 at ~4:00 pm UTC, Microsoft reported an issue that was causing users in North America to experience delays when receiving chat messages within Microsoft Teams.

On February 12, 2021 at ~1:30 am UTC, Microsoft reported an issue that was preventing users from accessing Microsoft Teams.

Shortly after, Microsoft then reported that they were currently investigating a potential networking issue that may be causing various issues.

On February 4, 2021, at ~4:30 pm UTC, Microsoft reported an issue that was causing some users in North America to experience issues when attempting to join meetings in Microsoft Teams.

Many users took to Twitter to express their frustration due to little information available in the Service Health Dashboard and the multiple issues that had taken place in the past week.

On January 18, 2021, at ~10:30 am UTC, Microsoft reported an issue that was affecting chat functionality within Microsoft Teams in the EMEA region.

Shortly after, Microsoft reported that they had redirected traffic and that monitoring was showing signs of recovery.

On January 12, 2021 at ~4:45 pm UTC, Microsoft reported an issue with SharePoint and OneDrive for Business and Microsoft Teams.

Shortly after, Microsoft confirmed that these issues were part of the same problem and that services were recovering. They were still attempting to discover the root cause of the problem and informed users that more information could be found in the admin center.

On December 7, 2020, at ~3:00 pm UTC, Microsoft reported an issue with call quality within Microsoft Teams and that more details would be reported shortly.

On December 2, 2020 at ~4:00pm UTC, Microsoft reported an issue that was intermittently preventing some users from accessing files within Teams. They reported they were working to identify the cause of the issue and that more information would be available soon.

On October 22nd at roughly ~6:30 pm UTC, Microsoft reported a problem that may cause users to see an "Oops" page when launching the Microsoft Teams desktop client.

Microsoft reported that they had identified and reverted a recent update that could be causing the problem.

On October 7, 2020 at ~8:00 pm UTC, Microsoft reported an issue that was preventing users from accessing Microsoft Teams.

Over the next few hours, Microsoft reported that a recent change may have caused the impact to multiple Microsoft 365 services and that they had reverted the change and services were recovering.

On September 28th at roughly ~9:45 pm UTC, Microsoft reported an issue affecting multiple Microsoft 365 services.

Microsoft reported that they were working to identify the full impact and that they would provide more information shortly.