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Microsoft 365: Users may be unable to connect to multiple Microsoft 365 services
Timeline of updates
- investigating
Title: Users may be unable to connect to multiple Microsoft 365 services
User impact: Users may be unable to connect to multiple Microsoft 365 services.
More info: Potentially impacted services include:
- Exchange Online
- Microsoft Teams
- SharePoint Online
- Microsoft Copilot 365
- Microsoft Defender XDRCurrent status: We’re investigating an issue impacting multiple Microsoft 365 services and we've determined the affected infrastructure is experiencing elevated load across multiple regions, which is likely contributing to the connectivity errors. We're restarting and repairing impacted portions of this infrastructure to restore capacity, and reviewing an unexpected increase in a specific type of service traffic to determine whether it's contributing to the elevated load. In parallel, we're evaluating options to redirect traffic to alternate infrastructure to expedite relief.
Scope of impact: This issue may affect users attempting to access the affected Microsoft 365 services.
Next update by: Thursday, November 12, 2026, at 8:30 PM UTC
Changes Rewindex caught on this incident
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-11-13 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
f0599af29e98961b…Version 2 captured
In the 2026-11-13 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
86d3eeac98b5609c…
Impact, status and times are the vendor’s own, as last archived.
Cite this
Status incident (vendor impact label: minor) posted by Microsoft 365, started 2026-11-12 18:32 UTC, resolved after 36 min, 1 update(s); edited after publishing.
- Title
- Users may be unable to connect to multiple Microsoft 365 services
- Vendor
- Microsoft 365
- Date
- URL
- https://rewindex.com/company/microsoft-365/incidents/64e65f9acce2f70c
Microsoft 365 profileRecent Microsoft 365 incidentsAll outages on November 12, 2026Microsoft 365 in November 2026MarkdownJSON