Clouddienst gestört: Weltweite Störung bei Microsoft Outlook legt E-Mail lahm

A large-scale outage affecting Microsoft's services disrupted email traffic for millions of users globally on Monday evening. Both Microsoft 365 corporate customers and private Outlook email users were impacted, confirmed Microsoft in a statement on its official status pages. The issue caused significant login problems and difficulties receiving and sending emails.

Many users also reported that their mailboxes stopped synchronizing and the application froze. The root cause, according to Microsoft, lies in the Exchange Online cloud infrastructure. A fault in a central authentication and connection component is preventing proper access to the mail servers. Microsoft's internal tracking number for the incident is EX1464935.

The company's engineers have taken corrective measures and are rolling out an update step-by-step to restore services on the affected servers. Users are advised not to make any changes and refrain from reinstalling the software, as the fault is purely server-side. Additionally, users should refrain from manually resending emails that remain in the outbox to avoid duplicate deliveries.

Microsoft has not yet provided a timeline for when the service will be fully operational worldwide without limitations.