Hoxhunt incident
Deploying Outlook add-ins might fail via Integrated Apps page of the M365 admin center
Resolved after 2 days 3 hours, affecting Hoxhunt Outlook add-in, on November 24, 2025.
This incident has now been declared as resolved. Microsoft's global rollout for the fix took some time but Hoxhunt has verified in its own test environments that add-in deployment again working as expected. Hoxhunt Support Team
Affected components
Update timeline
- investigating Nov 24, 2025, 07:24 AM UTC
Microsoft is having issues with add-in deployment via M365 Admin Center > Integrated Apps, potentially preventing add-ins from being centrally deployed, re-deployed and updated both via manifests as well as via AppSource. Microsoft is currently investigating the root cause, and their progress can be observed here: https://github.com/OfficeDev/office-js/issues/6321 NOTE: The deployment issue doesn't affect the functionality of currently deployed Hoxhunt add-ins. Hoxhunt Support Team
- investigating Nov 24, 2025, 09:08 AM UTC
Microsoft has been able to reproduce the issue and continues to pinpoint the root cause with their engineers. Hoxhunt Support Team
- monitoring Nov 25, 2025, 11:20 AM UTC
Microsoft's Engineering team has rolled out a fix to production a moment ago, and they are expecting it to arrive to affected tenants soon. Hoxhunt Support Team
- resolved Nov 26, 2025, 11:20 AM UTC
This incident has now been declared as resolved. Microsoft's global rollout for the fix took some time but Hoxhunt has verified in its own test environments that add-in deployment again working as expected. Hoxhunt Support Team
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