Microsoft is working to resolve an ongoing outage affecting Microsoft Groups customers, inflicting delays and stopping some from accessing the service.
Based on person experiences on the outage-tracking platform DownDetector, this ongoing incident is inflicting issues when becoming a member of conferences with the Groups desktop shopper, accessing the Groups app, and signing in.
“Customers might expertise delays and failures when sending and receiving chat messages that embrace inline media (photographs, code snippets, movies),” Microsoft stated in an incident report tracked underneath TM1233974.
“Impression is particular to some customers positioned in Europe and United States who’re served by way of the affected infrastructure trying to ship and obtain chat messages that embrace inline media (photographs, code snippets, movies).”
Whereas Microsoft has not disclosed what number of customers are affected, this ongoing situation is tagged as inflicting “service degradation” and has been flagged as an incident, a time period that’s generally used for essential service points with noticeable person influence.
Microsoft added that its engineers are at present reviewing service monitoring telemetry knowledge to isolate the basis trigger behind the incident and to develop a remediation plan.
Microsoft can also be working to resolve an incident that blocks customers from becoming a member of some Microsoft Groups conferences through the “Be a part of” button within the assembly chat (tracked as TM1231009), and one other incident that stops some customers from including (or updating) Copilot Studio brokers to Microsoft Groups (TM1218513).
One other outage, additionally tagged as a essential service situation, took down a number of Microsoft 365 providers in early October, together with Microsoft Groups.
The October 2025 incident additionally prompted Multi-Issue Authentication (MFA) points, affecting customers who tried to entry Microsoft 365 providers through Microsoft Entra single sign-on (SSO).
As Microsoft revealed at its 2024 Enterprise Join convention, greater than 320 million individuals use Groups every month.
Replace February 17, 10:46 EST: One hour into the outage, Microsoft says the Groups delays and entry points have now been addressed.
“A subsection of service infrastructure, that facilitates underlying caching in Microsoft Groups, fell beneath our manageable service efficiency thresholds,” Microsoft famous. “We reverted the configuration change to the final wholesome model, and might affirm that influence is remediated after a interval of monitoring service telemetry.”
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