Microsoft Office 365 Monitoring - Service Outages

A global IT outage affected Microsoft 365 and Azure Services on July 30, 2024. The issue was traced back to a DDoS attack, which caused performance issues with Azure Front Door (AFD) and Azure Content Delivery Network (CDN) .

A global IT outage significantly impacted Microsoft 365 and Microsoft Azure services and countless businesses, starting on July 18, 2024. The issue was traced back to an update to the Crowdstrike Falcon agent, which caused widespread disruptions.

In the wake of the embarrassing and widely publicized Midnight Blizzard app breach, are you are aware that Microsoft also suffered from a massive Teams outage on 1/26/24 for almost 13 hours, which substantially impacted global communication abilities?! And then again on 1/29/24?!

It would have been hard for many out there NOT to have felt the pain at some point…

Earlier this week, on Tuesday, July 18th, at approximately 4:47 AM EST, Microsoft communicated via @MSFT365status that they were looking into a service incident issue in which "some" users may have been unable to send Exchange Online emails.   In this initial tweet, Microsoft was very quick with specifics as to the cause: a recent change to its free/busy infrastructure.

On back-to-back days this week, customers and users of Microsoft Outlook (June 27th) and Microsoft Teams (June 28th) were unable to access these services.  Initially, Microsoft communicated these service issues to its customers and indicated that the impacts were isolated to its North American customers, but community responses and feedback suggested the impacts stretched beyond the NA region.

On Friday, June 9th, 2023, customers and users of the Microsoft Azure Portal were unable to access the service. Microsoft confirmed the incident with several communications to its customers, however, Microsoft was brief on specifics as to the Azure outage cause.

On Monday, June 5th, 2023, at approximately 10:50 AM (ET), Microsoft tweeted @MSFT365status that they were investigating a service incident involving access issues for Outlook on the web.

On Tuesday, May 9th, 2023, Microsoft tweeted @MSFT365status that they were investigating a service incident in which some users in the United Kingdom region were experiencing access issues for various Microsoft 365 services.  

On Monday, April 24, 2023, at approximately 7:17 AM ET, Microsoft sent out its first of many tweets for the day @MSFT365status regarding an issue in which users were unable to use certain search functions in various Microsoft 365 services.  With this first tweet, Microsoft disclosed no information as to what geographic regions were impacted.