Microsoft stops strange 'FCM Messages' notifications on Microsoft Teams

Microsoft Teams Android (Image credit: Windows Central)

What you need to know

A strange notification reading "FCM Messages Test Notification!!!!" was sent out to people through Microsoft Teams.
Many people received the message several times within a short timespan.
Microsoft has since mitigated the issue.

The Microsoft 365 Status Twitter account states that the issue only affected Android devices. Thursday afternoon, the account shared that Microsoft had "isolated the source of the issue and applied a mitigation."

Twitter user Paul Tuck shared a screenshot of the odd notifications.

Sure here's a screenshot I took of, complete with too many exclamation marks and too many S of both Notifications and Messages pic.twitter.com/6DZJcuoCh4Sure here's a screenshot I took of, complete with too many exclamation marks and too many S of both Notifications and Messages pic.twitter.com/6DZJcuoCh4— Paul Tuck (@Hobbes330) August 27, 2020 August 27, 2020

The notifications didn't seem specific to any timezone, so some people received the notifications in the middle of the night.

While notifications like this shouldn't be sent out, you can make sure that you don't receive any notifications in the middle of the night by changing your status on Microsoft Teams.

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Sean Endicott is a news writer and apps editor for Windows Central with 11+ years of experience. A Nottingham Trent journalism graduate, Sean has covered the industry’s arc from the Lumia era to the launch of Windows 11 and generative AI. Having started at Thrifter, he uses his expertise in price tracking to help readers find genuine hardware value.

Beyond tech news, Sean is a UK sports media pioneer. In 2017, he became one of the first to stream via smartphone and is an expert in AP Capture systems. A tech-forward coach, he was named 2024 BAFA Youth Coach of the Year. He is focused on using technology—from AI to Clipchamp—to gain a practical edge.