| MO1243496 | Microsoft 365 suite | Some admins may be unable to deploy custom add-ins from the Microsoft 365 admin center and users can’t access add-ins |
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| Status | serviceDegradation |
|---|---|
| Classification | advisory |
| User Impact | Admins may be unable to deploy custom add-ins from the Microsoft 365 admin center and users can’t access add-ins. |
| Last Updated | 03/18/2026 21:33:31 |
| Start Time | 01/21/2026 10:27:00 |
| End Time | |
| Latest Message | Title: Some admins may be unable to deploy custom add-ins from the Microsoft 365 admin center and users can’t access add-ins
User impact: Admins may be unable to deploy custom add-ins from the Microsoft 365 admin center and users can’t access add-ins. More info: Admins see an error stating “Learn more about eligibility requirements” Current status: Our fix deployment has saturated across approximately 50 percent of the impacted environment and is projected to complete and for impact to be remediated by our next scheduled communication update. Scope of impact: Some admins may be unable deploy custom add-ins from the Microsoft 365 admin center. This information may be updated as our investigation continues. Start time: Wednesday, January 21, 2026, at 10:27 AM UTC Root cause: A recent service change designed to enforce stricter authentication requirements blocked admins from deploying custom add-ins from the Microsoft 365 admin center. Next update by: Friday, March 20, 2026, at 7:00 PM UTC |