Global Microsoft Outage

We are aware that the majority of our users now have access to Microsoft provided Office 365 applications - however we still do not consider this Major Incident to be closed.

The following information (provided by Microsoft) reflects the current situation .. we will continue to monitor (and provide regular updates)

**Current status: We are deeply sorry for the disruption this incident has caused you and your business. We know the trust you place in our services and take that responsibility extremely seriously.

We are seeing broad recovery and stability across our services. This was a technical issue not related to cyber or AI / agents.

The incident was introduced by an issue during an earlier network capacity upgrade that surfaced following a recent network change. We have addressed the underlying issue and continue to restore service to remaining customers and regions.

Given the scale of demand, we restored services gradually, validating stability at each stage. While this took longer, it helped ensure a stable restoration. We will provide a full post-incident report once our review is complete.**

We are aware that the majority of our users now have access to email - however we still do not consider this Major Incident to be closed.

The following information (provided by Microsoft) reflects the current situation .. we will continue to monitor (and provide regular updates)

**Current status: We remain focused on addressing residual impact and ensuring reliable service restoration. We continue to assess recovery across various connection methods and are closely monitoring service health to verify sustained stability.

At this time, we have no evidence of malicious activity associated with this incident. We will continue to treat this with urgency until full mitigation, and we will share a full Post-Incident Report with root cause and defense-in-depth actions after mitigation is complete.**

We are aware that many of our users now have access to email - we do not consider this Major Incident to be closed.

The following information (provided by Microsoft) reflects the current situation .. we will continue to monitor (and provide regular updates).

_Current Status: We're continuing to see improvements in service availability, with email queues significantly reduced and approaching normal levels. Some users may still experience intermittent access issues or delayed email delivery as recovery continues.

We've implemented additional mitigation measures and are restoring the remaining affected infrastructure while investigating residual service issues. We're closely monitoring service health and validating recovery across affected connection methods to ensure sustained service stability._

Please be aware that, on the back of Microsoft's outages, cybercriminals are exploiting this and pretending to be IT support. Please do not interact with these phone calls/messages, and if you are unsure whether a message is legitimate, please reach out to us via help4u.dundee.ac.uk.

Also affected is Microsoft's safe link functionality, which verifies link authenticity before redirecting. Please exercise caution at this time to ensure you are going to the correct website directly if you are unsure about the link that has been shared with you.

As always any questions, please reach out to us via help4u.dundee.ac.uk

Good Morning

You may be aware (from major news sites) that Microsoft are currently dealing with a major worldwide outage (impacting Outlook, Teams and Office 365)

We can confirm that , at this time , for University of Dundee ,

We can confirm that at this time, for University of Dundee ,

• Microsoft Teams: Most of the core functionality including joining calls, meetings, group chats, and channel messages are not impacted.
• Outlook - currently emails can not be sent or received and in some instances existing emails cannot be opened.
• Office 365 - Word , Excel etc - appear to be working as normal.

Microsoft are focussing on restoring services.

The following is current status (provided by Microsoft)

Current status: We’re seeing positive results for server stability after applying an upstream authentication/routing configuration component patch to a portion of our infrastructure. We’ll continue to monitor its progress and are working to expand it to servers supporting active regions coming online.

As of now, we are not aware of any malicious activity that is causing this incident. We will continue to treat this incident with urgency and priority until full resolution. Once mitigated, we will provide full details of the root cause, defense-in-depth repair items, and more within a Post-Incident Report.

The latest updates from Microsoft can be viewed here: https://status.cloud.microsoft/

Affected by this issue? Login to the Help4U Self-Service Portal (help4u.dundee.ac.uk), click on the relevant 'Broad service disruption', then select 'I am affected by this disruption'.

A reminder as well that the best way to get in touch with help4u currently is https://help4u.dundee.ac.uk/