12 Nov 18:32 UTC 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 XDR Current 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
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From the sources ChangeIntel reads; a match in time is not a cause