Users may be unable to access, send mail, or use general functionality for Outlook.com

Users may be unable to access, send mail, or use general functionality for Outlook.com

Users may be unable to access, send mail, or use general functionality for Outlook.com

We continue to an uptrend of health return to the service while our root cause investigation progresses. We working to narrow down the underlying cause and ensure the service remains in a stable state.

We have restarted additional service infrastructure services and have observed further improvements to the service. We still remain focused on isolating the cause of the problem.

Our service availability remains at a stable level and we are still focused on understanding the underlying source of the issue and ensuring the problem does not reoccur.

We are continuing to notice a significant improvement in service health due that appears to be attributed to the restart of the impacted service infrastructure. We are continuing to monitor the service to ensure it continues to trend towards a healthy state. In parallel, we are working on understanding the root cause and exploring other mitigation options if needed.

Our initial investigation indicates that there our service infrastructure is performing at a sub-optimal level, resulting in impact to general service functionality. We are continuing to review all system logs to understand the cause of the issue and develop a mitigation plan.