Office 365 Monitoring - Service Outages

Read the latest updates, root causes, and resolutions on Microsoft Office 365 service outages.

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Microsoft 365 (5)

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Office 365 Monitoring: Exchange Online and Outlook Outage 10/1/20

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ENow Software

On October 1st at roughly ~6:00 am UTC, Microsoft reported an issue where users were accessing their Exchange Online accounts via Outlook on the Web. 

The initial investigation indicated that the issue was primarily affecting users based in India. However, shortly after Microsoft reported that they had collected additional data from the affected infrastructure and that the issue was affecting users worldwide.

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Office 365 Monitoring: Exchange Online Outage September 29, 2020

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ENow Software

On September 29th at roughly ~2:15 pm UTC, Microsoft reported an issue where users may have been unable to connect to the Exchange Online service on their mobile devices.

Not long after their initial update and notice, Microsoft reported that they had determined that corrective actions taken to address a previous issue had impacted Exchange ActiveSync and Microsoft was applying a fix to mitigate the impact. 

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Office 365 Monitoring: Office 365 Services Outage September 28, 2020

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ENow Software

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

Updated as of Tuesday September 29th at 6:00 pm UTC. We will continue to update with the latest information on the outage.

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

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Office 365 Monitoring: Microsoft Teams Outage August 19, 2020

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ENow Software

On August 19th at roughly ~3:30 pm UTC, Microsoft reported an issue with users being unable to join Teams meetings.

Shortly after, they determined that any user attempting to join a Teams meeting hosted in North America could be impacted by the issue. They also reported that they had re-routed traffic to an alternative environment and had seen some recovery.

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