Outage in Heron Data
Third Party Outage - Microsoft 365
Resolved Minor
November 12, 2026 - Started 2 days ago
- Lasted 1 day
Incident Report
All Heron systems are operational. Since 1 p.m. EST today, Microsoft 365 has been experiencing an outage affecting reliable email delivery for Outlook and Exchange mailboxes. See the Microsoft status page: https://status.cloud.microsoft/m365 for details.
What this means for you:
• If you integrate with Heron using a Microsoft mailbox, your submissions and deliveries may be delayed until Microsoft resolves the outage.
• Submissions and deliveries to or from clients using Microsoft mailboxes may also be delayed.
• Heron is operating normally. This disruption originates with Microsoft.
• Heron will automatically retry affected outgoing deliveries.
Our team is monitoring the situation closely and will provide updates as more information becomes available.
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Latest Updates ( sorted recent to last )
MONITORING
2 days ago - at 11/13/2026 01:30PM
The Microsoft issue is ongoing. Heron is working to reach out directly to customers whose connections we believe may be affected by the outage to provide a workaround.
If you rely on Outlook for your business, please reach out to support@herondata.io: mailto:support@herondata.io so we can provide you with a workaround.
MONITORING
2 days ago - at 11/12/2026 08:59PM
All Heron systems are operational. Since 1 p.m. EST today, Microsoft 365 has been experiencing an outage affecting reliable email delivery for Outlook and Exchange mailboxes. See the Microsoft status page: https://status.cloud.microsoft/m365 for details.
What this means for you:
• If you integrate with Heron using a Microsoft mailbox, your submissions and deliveries may be delayed until Microsoft resolves the outage.
• Submissions and deliveries to or from clients using Microsoft mailboxes may also be delayed.
• Heron is operating normally. This disruption originates with Microsoft.
• Heron will automatically retry affected outgoing deliveries.
Our team is monitoring the situation closely and will provide updates as more information becomes available.
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