SF Alerts

Thursday, November 12, 2026

2:30 p.m.

Microsoft reports widespread issues with Exchange Online Mailboxes

Microsoft has reported that a number of servers were "unexpectedly unavailable," causing issues with users ability to access Exchange Online mailboxes.

It is working safety return the servers to service. In the meantime, Microsoft 365 reports: "We are aggressively pursuing all pathways to reduce impact. We have puased all deployments; we're moving additional traffic off the affected infrastructure and we're restarting the affected servers."