Microsoft Teams down due to certificate failure (Feb. 3, 2020)

[German]Microsoft's Teams services are currently down (February 3, 2020, since 2.40 pm). The reason is an certificate issue, that blocks the access to the teams account. 


It's now the third outage since Januar 31, 2020 (on that day, Brexit has caused – or not – an outage of a british internet provider). And on Saturday February 1st, some other services has been affected (see screenshot below).

Microsoft 365 Störung 1.2.2020

Now a German blog reader left a comment within my German blog, mentions that MS Teams is down.

Microsoft Teams is down.

Title: Can't access Microsoft Teams

User Impact: Users may be unable to access Microsoft Teams.

Current status: We're investigating an issue where users may be unable to access Microsoft Teams. We're reviewing systems data to determine the cause of the issue.

Scope of impact: This issue may potentially affect any of your users attempting to access Microsoft Teams.

Next update by: Monday, February 3, 2020, 4:30 PM (3:30 PM UTC)

The social media team from Microsoft 365 Status has confirmed that on Twitter and mentioned the reason:

Advertising reports the outage sind 2:40 p.m. Fear, some people need to use email – or simply use Slack to communicate ;-).

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