Outage in Hoxhunt

Deploying Outlook add-ins might fail via Integrated Apps page of the M365 admin center

Resolved Minor
November 24, 2025 - Started 7 days ago - Lasted 2 days
Official incident page

Incident Report

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

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Latest Updates ( sorted recent to last )
RESOLVED 5 days ago - at 11/26/2025 11:20AM

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

MONITORING 6 days ago - at 11/25/2025 11:20AM

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

INVESTIGATING 7 days ago - at 11/24/2025 09:08AM

Microsoft has been able to reproduce the issue and continues to pinpoint the root cause with their engineers.

Hoxhunt Support Team

INVESTIGATING 7 days ago - at 11/24/2025 07:24AM

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

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