Outage in Tessian EU
Issue with Offce Add-in checks and Core Email Protection via API
Resolved Minor
April 07, 2025 - Started 7 months ago
- Lasted about 3 hours
Incident Report
Office Add-in checks are currently failing, the add-in will let emails send without checking, but with potentially increased latency.
Live Syncing is currently failing to process emails and Core Email Protection via API is currently failing to check emails.
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Latest Updates ( sorted recent to last )
MONITORING
7 months ago - at 04/07/2025 01:31PM
The team completed remediating of the issue and we are currently monitoring.
The M365 Add In was impacted from 11:27-12:28 UTC.
Core Email Protection via API was impacted from 11:27-12:34 UTC. Emails during this window are currently being rechecked, so you may see a delay between email delivery and classification.
We will update once complete.
INVESTIGATING
7 months ago - at 04/07/2025 12:35PM
Office Add-in checks are currently failing, the add-in will let emails send without checking, but with potentially increased latency.
Live Syncing is currently failing to process emails and Core Email Protection via API is currently failing to check emails.
Latest Tessian EU outages
M365 Add-in Impacted by Microsoft library - 5 days ago
M365 Add-in impacted by Microsoft Azure Service Incident - 25 days ago
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