Re: US Impact - October 29 2025

[Jeff Shultz via NANOG <nanog () lists nanog org>]

Possibly this as seen on the outages list?
https://www.bleepingcomputer.com/news/microsoft/microsoft-dns-outage-impacts-azure-and-microsoft-365-services/

Microsoft is suffering an ongoing DNS outage affecting customers worldwide,
preventing them from logging into company networks and accessing Microsoft
Azure and Microsoft 365 services.

According to reports on DownDetector
<https://downdetector.com/status/windows-azure/> and social
<https://www.reddit.com/r/sysadmin/comments/1oj86h5/azure_portal_down/>
networks
<https://www.reddit.com/r/sysadmin/comments/1oj8sgk/so_how_much_of_microsoft_is_down/>,
this incident began impacting Microsoft's services almost 1 hour ago and is
currently causing server and website connection issues for tens of
thousands of users.

Some of those affected are having issues accessing the Intune and Azure
portals, as well as the Exchange admin center, while others report that
Microsoft's Azure Front Door Content Delivery Network (CDN) service is also
down.

On Wed, Oct 29, 2025 at 10:38 AM Victor Kuarsingh via NANOG <
nanog () lists nanog org> wrote:

> All,
>
> Anyone know what caused the large impact in the US at around noon ET today?
>
> regards,
>
> Vector K
> _______________________________________________
> NANOG mailing list
>
> https://lists.nanog.org/archives/list/nanog () lists nanog org/message/SS3LCXZU4D43YYJOX5CUDIQNCA7HKW6B/


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