Microsoft investigates Exchange Online outage delaying external email delivery
Microsoft confirmed an ongoing Exchange Online incident, tracked as EX1467029, causing intermittent 'Server busy' errors for users sending or receiving messages from external domains. The company says anti-spam protections may be worsening delays for some accounts, and it has not yet identified the root cause or affected regions.
GoKawiil's interpretation of the reporting above, not reported fact.
Email delays tied to Exchange Online can disrupt business communication at scale, especially since Microsoft hasn't specified how widespread the outage is. This marks yet another in a string of recent Exchange and Outlook reliability issues, raising questions about the platform's stability for enterprise users.
- Incident EX1467029 is causing 'Server busy' errors for external email in Exchange Online.
- Anti-spam protections may be compounding delays for some affected mailboxes.
- This follows several other Exchange Online and Outlook outages reported since April 2024.
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Published there as: “Exchange Online outage causes email delays, 'Server busy' errors”
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