Resolved after 6 hours 15 minutes, affecting School MIS and MAT MIS, on September 4, 2026.
Microsoft have confirmed that this incident is now resolved and emails sent to and from users with Microsoft hosted domains should no longer experience delays.
Affected components
Update timeline
- monitoring Sep 04, 2026, 02:59 PM UTC
Microsoft is currently experiencing an active service incident (tracked as EX1467029) affecting Exchange Online, causing delays sending and receiving emails to and from external domains. If you use a Microsoft-hosted email address (for example Outlook, Hotmail, or a work email on Microsoft 365), you may see delays in emails to or from our teams or those sent from Arbor while this is ongoing. Please do not re-try sending emails at this time. We will continue to monitor Microsoft’s status page for any further updates.
- resolved Sep 04, 2026, 03:15 PM UTC
Microsoft have confirmed that this incident is now resolved and emails sent to and from users with Microsoft hosted domains should no longer experience delays.
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