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

Announcements Sourav Nandi

03/11/2025 08:45:00 AM

NHSmail Reference: INC46671466

Microsoft Reference: EX1177461

Issue Status: ONGOING

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

Current Update: 18/11/2025 08:46:00 AM – The deployment process is taking longer than expected to complete, but progress continues. additionally, Microsoft are continuing to reach out to a subset of affected admins to test whether they’re able to remove the status changes from migration batches.

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 update by: Monday, November 24, 2025, at 7:30 PM UTC