Microsoft 365 Alert – Service Degradation – Exchange Online – Admins may be unable to remove migration batches in Exchange Online – RESOLVED

Announcements Sourav Nandi

03/11/2025 08:45:00 AM

NHSmail Reference: INC46671466

Microsoft Reference: EX1177461

Issue Status: RESOLVED

Issue Description: Admins may be unable to remove migration batches in Exchange Online.

Final Update: 25/11/2025 08:25:00 AM – Microsoft’s monitoring has confirmed that the fix has completed deployment, and they validated with affected admins that this issue has been remediated.

Scope of impact: Any admin attempting to provision new Exchange Online mailboxes may be impacted.

Root cause: An authentication component misconfiguration is preventing admins from provisioning new Exchange Online mailboxes.

Next steps: Microsoft are continuing their analysis of the service update to better identify and prevent similar issues in the future.