Global Microsoft Exchange Admin Center Outage: What You Need to Know

Overview of the Current Outage

Microsoft is currently addressing a significant global outage impacting the Exchange Admin Center (EAC), which prevents administrators worldwide from gaining access. The issue is officially designated as critical service issue EX1051697.

Details of the Disruption

Approximately two hours after the initial disruption, IT administrators began to encounter “HTTP Error 500” when trying to access the Exchange admin center portal. This widespread issue is actively being tracked in the Microsoft 365 Admin Center.

Investigation and Temporary Solutions

Microsoft has reported noticeable increases in error spikes and is thoroughly investigating potential causes related to recent service changes. Although some administrators have managed workaround access, official confirmation and detailed guidance are still pending.

Microsoft’s Response to the Outage

In response to the outage, Microsoft’s engineers have successfully replicated the problem internally and are collecting further diagnostic data to resolve the issue effectively.

Recent Related Outages

• Last month’s resolution of an issue that blocked users of Outlook on the web from accessing their Exchange Online mailboxes.
• Correction of a week-long Exchange Online disruption that affected email sending and receiving capabilities.

This is a developing story…

Stay Informed

For the latest updates and potential fixes, follow these developments closely, and refer to the Microsoft 365 Admin Center.